Abstract: A integrated circuit includes a plurality of first connection terminals (410) and second connection terminals (420) for receiving an input of electrical signals, a first detection section, a second detection section, a plurality of switches (432), and a switch control section (430). The first detection section is connected to first connection terminals (410) and obtains input electrical signals. The second detection section is connected to second connection terminals (420). Each switch (432) connects adjacent second connection terminals (420) among second connection terminals (420) to each other, and are connected to each other in series. Switch control section (430) controls to turn off switches (432) and allows electrical signals input to second connection terminals (420) to be input to the second detection section, and controls to turn on any switch among switches (432) to bring adjacent second connection terminals (420) into electrical continuity.

Abstract: A storage battery capacity measurement device is provided in in-plant equipment including a storage battery system connected to an intra-equipment electric wire. The storage battery system includes plural storage batteries connected in parallel to the intra-equipment electric wire. The storage battery capacity measurement device is configured to execute a determining one storage battery among the plural storage batteries as a measurement target storage battery, and at least one storage battery other than the measurement target storage battery as a measurement support storage battery, discharging an electricity amount of the measurement target storage battery from an upper limit to a lower limit, and charging the discharged electricity amount to the measurement support storage battery, and calculating a discharge capacity of the measurement target storage battery, based on an integrated value of a current flowing through the measurement target storage battery during discharge.

Abstract: Disclosed is a system for managing and replacing batteries. In particular, a rapid field tester that pairs via Bluetooth with a smart device, such as a mobile phone. The smart device containing an APP that further interfaces with a remote server to provide management of the battery. A user can test their battery and receive a visual indication if the battery passes or fails predetermined conditions. If the battery fails the test, a replacement battery will be automatically sent to the user. All of the test data is logged through the server and provided to the user in order to facilitate effective battery management.

Abstract: A load bank for testing power sources includes a load resistor assembly having a plurality of resistors which can be switched between wye and delta configurations for testing a variety of voltages and power sources requiring various load applications. First and second power connections are connected with primary and redundant power sources and a relay alternately connects the first and second power connections with the load resistor assembly for alternately testing the primary and redundant power sources while maintaining the sources electrically isolated. A damper is arranged adjacent the load resistor assembly and is operable between an open position which permits cold air to be delivered to the load resistor assembly to cool the assembly when the load bank is operating and a closed position which prevents hot air from being recirculated when the load bank is not operating.

Abstract: A system and method to detect the loss or disruption of one or more phases of a three phase alternating current (AC) power source used in the operation of a valve actuator. The loss of one or more phases of a three phase AC power source may cause a peak in AC power output. While a peak in AC power output may not affect an operation of electronic circuitry, all three phases are often required to safely operate other hardware components, such as an AC motor that is associated with the valve actuator. Therefore, in response to detecting the loss or disruption of at least one phase of a three phase AC power source, this disclosure presents a system and method to inhibit damaging operations such as operating an AC motor associated with a valve actuator, and continuing to operate communications and diagnostic circuitry to report the condition.

Abstract: Disclosed is a magnetic resonance imaging (MRI) apparatus with a spirally extended monopole antenna structure whereby magnetic field homogeneity is improved. The apparatus includes: a cylinder body 110; a plurality of monopole antennas forming an array, the antenna being spirally arranged along a surface of the cylinder body 110 at a predetermined inclination angle relative to a central axis of the cylinder body 110; a ground plate 130 in which ends of the monopole antennas are arranged on one surface of the ground plate 130 in a circular arrangement; and a plurality of coaxial cables 140 in which signal lines thereof are respectively connected to the monopole antennas and ground lines thereof are connected to the ground plate 130.

Abstract: A magnetic resonance imaging apparatus includes an imaging unit configured to carry out magnetic resonance imaging of a patient using a transmitting QD coil that allows at least one of phase and amplitude of a radio-frequency transmit pulse on at least one input channel of the transmitting QD coil to be adjusted independently of each other, and an adjustment unit arranged to adjust at least one of the phase and the amplitude of the radio-frequency transmit pulse according to imaging conditions.

Abstract: The present invention provides a gradient amplifier (300) for a magnetic resonance imaging system, comprising: a power amplifier (310) configured to supply a gradient coil current to a gradient coil (330); a passive filter (320) oupled to the power amplifier and configured to damp a harmonic component of the gradient coil current, wherein an oscillation current caused by oscillation of the passive filter (320) is present in the gradient coil current; and an active power filter coupled between the passive filter and the gradient coil and configured to generate a compensation current to compensate the oscillation current.

Abstract: An arrangement for shielding an NMR tool from electromagnetic noise, having a nuclear magnetic resonance tool configured to send and receive signals, a first shield configured around a nuclear magnetic resonance antenna of the nuclear magnetic resonance tool and a second shield configured to reduce the effects of eddy currents in the first shield.

Abstract: The present invention provides a method for quantitative analysis of a compound in a sample characterized in that the quantitative analysis is performed by a method of using an external standard which obtains NMR spectra of a sample and a standard substance and then compares them, and it can be applied even to an insoluble sample.

Abstract: A magnetic resonance imaging (MRI) apparatus includes a radio frequency (RF) receiver which acquires a magnetic resonance (MR) signal received by at least one channel coil, and an image processor which acquires a data set of a k-space for the at least one channel coil by oversampling the MR signal in a readout direction of the k-space, divides the data set into a plurality of sub-data sets, and acquires an MR image based on the plurality of sub-data sets.

Abstract: Disclosed is a magnetic resonance imaging (MRI) system. The disclosed MRI system includes a system controller capable of separately acquiring MR image signals of different elements existing in an object. The system controller includes a first system controller capable of acquiring an MR signal of a first element, and a second system controller capable of acquiring an MR signal of a second element different from the first element. The first system controller and the second system controller are physically separated. The first system controller and the second system controller control a first radio frequency (RF) coil element and a second RF coil element of an RF coil, respectively.

Abstract: The invention provides for a magnetic resonance system (100) for acquiring a magnetic resonance data from a subject (118) within a measurement zone (108) according to a magnetic resonance fingerprinting technique. The pulse sequence comprises a train of pulse sequence repetitions (302, 304). Each pulse sequence repetition has a repetition time chosen from a distribution of repetition times. Each pulse sequence repetition comprises a radio frequency pulse (306) chosen from a distribution of radio frequency pulses. The distribution of radio frequency pulses cause magnetic spins to rotate to a distribution of flip angles, and each pulse sequence repetition comprises a sampling event (310) at a sampling time chosen from a distribution of sampling times. Each pulse sequence repetition of the pulse sequence comprises a first 180 degree RF pulse (308) performed at a first temporal midpoint between the radio frequency pulse and the sampling event to refocus the magnetic resonance signal.

Abstract: An operating method for a medical imaging apparatus includes an imaging program stored in a memory, with which parameters for controlling image data generation will be predetermined. The imaging program has a number of routine examination steps. At least one variant, which is likewise stored in the memory and which is able to be selected by a user instead of the routine examination step for image data generation, exists at least for one of the routine examination steps.

Abstract: In a magnetic resonance (MR) apparatus and an operating method therefor, a sequence with which the MR data are to be recorded is created in or provided to a control computer of the MR apparatus. A maximum RF output and a maximum gradient performance of the scanner magnetic resonance apparatus during the performance of the sequence are determined by simulating or analyzing the performance of the sequence in the control computer, and it is verified whether the maximum RF output and/or the maximum gradient performance violate predetermined limit values. Execution of the sequence to record the MR data is performed only if the verification showed that the limit values are not violated.

Abstract: In a magnetic resonance (MR) apparatus and operating method, an MR scan is designated in a processor by acquiring values of parameters of imaging sequences of the MR scan. The MR scan and properties of the MR scan are stored so as to be allocated to an MR scan template. The acquisition of an MR scan and the storing of an MR scan template are carried out several times. In the processor, one of the MR scan templates is determined by detecting properties of an MR scan to be performed and determining the MR scan template as a function of the properties. Imaging sequences of the determined MR scan template are then implemented in order to acquire MR data.

Abstract: In order to determine the position of a reception coil in a magnetic resonance (MR) scanner of an MR apparatus, wherein the instrument has a reception coil, MR data are acquired from the reception coil along one direction in the scanner, and are provided to a processor that determines a position specification from the acquired MR data. The processor determines the position specification by initially executing a training period, using a first position specification establishment method, in order to produce a training period dataset, and then the training period dataset is used to establish a final position specification with a second position specification establishment method that differs from the first position specification establishment method.

Abstract: Pulse sequences for an MRI apparatus can provide improved quantitative relaxometry in liver and other tissues. Relaxation parameters such as T1rho or T2 (or both at once) can be measured. The pulse sequence can include a magnetization preparation pulse sequence and an acquisition pulse sequence including a fast spin echo (FSE) pulse sequence. Flip angles and echo time for the FSE pulse sequence can be chosen to optimize image quality without affecting the quantification of a relaxation parameter. Additional pulse sequences, e.g., for enhanced blood suppression and/or fat suppression can be incorporated. The acquisition pulse sequence can have a duration that allows data for a single slice image to be acquired during a breath-hold.

Abstract: A method to process information from a wellbore tool is disclosed having steps of placing a wellbore nuclear magnetic resonance tool in a wellbore to a scan a geological formation, activating the nuclear magnetic resonance tool to send signals to and receive signals from the geological formation, acquiring the received signals from the geological formation wherein the received signals have an echo shape, storing the echo shape according to at least one of a quadrature phase and a nominal signal phase, computing an echo shape from all of the received signals, determining a presence of a noise from the received signals, defining a noise filter based upon the received signals from the nuclear magnetic resonance tool and using the filter to remove noise from the received signals.

Abstract: In a method for displaying quantitative magnetic resonance image data, and a processor, and a magnetic resonance (MR) apparatus that implement such a method, first quantitative MR image data of an examination object are provided to the processor, the first quantitative MR image having been obtained using an MR scanner with a first basic magnetic field strength. The first quantitative magnetic resonance image data are converted in the processor from the first basic magnetic field strength to a second basic magnetic field strength, thereby generating second quantitative MR image data, which are then displayed.

Abstract: In order to remove restriction on the number of additions in imaging for offsetting errors caused by hardware performance and/or signal fluctuation caused by a hardware control method by inverting the polarity of predetermined hardware output, the present invention executes a first imaging sequence and a second imaging sequence in which the polarity of a predetermined gradient magnetic field pulse in the first imaging sequence was inverted, adds data acquired in each imaging sequence, and then acquires addition images. In order to perform the addition, each coefficient is determined so that the total of coefficients by which first data acquired in the first imaging sequence are to be multiplied is equal to the total of coefficients by which second data acquired in the second imaging sequence are to be multiplied.

Abstract: In a method and apparatus for acquiring magnetic resonance (MR) raw data, an MR data acquisition scanner is operated to execute a turbo spin echo (TSE) or a turbo gradient spin echo (TGSE) sequence wherein nuclear spins are excited in multiple slices of the examination object simultaneously by radiating at least one radio-frequency (RF) pulse from an RF radiator of the MR data acquisition scanner, thereby causing the excited nuclear spins in said multiple slices to produce an echo train. A multi-band refocusing pulse is radiated that refocuses nuclear spins in at least one of said multiple slices that follows a first of the multiple slices, and readout gradients are activated to acquire MR signals, with respectively different contrasts, at respectively different readout times of the echo train. The read out MR signals are entered into an electronic memory organized as k-space.

Abstract: The present disclosure is directed to methods and systems for fusing Phase Contrast Angiography (PCA) with anatomic images to create a perforator PCA (pPCA) data set. In the pPCA) method, vascular and anatomic information may be provided by different MRI sequences. A four-point acquisition scheme may be used for 3D PCA acquisition of vascular images. Anatomical MRI images are acquired and may be enhanced with image post-processing techniques. The vascular and anatomical images may be combined with image fusion to create a high resolution map of abdominal wall vasculature. This high resolution map visualizes not only the size and location of the DIEP perforators, but also their relationship with surrounding tissue, and the blood flow velocity within them. As such, the fused pPCA image has substantially higher SNR and CNR than CTA image of the same slice thickness.

Abstract: In a method and magnetic resonance (MR) apparatus for recording MR signals in a recording volume of an examination object with an imaging sequence, the recording volume has a first recording region in which at least one system component of the scanner of the MR apparatus has a first homogeneity, which is greater than a homogeneity of the at least one scanner component in a second recording region of the recording volume. A magnetization of nuclear spins in the recording volume is produced by at least one RF pulse, with the RF pulse being determined such that the magnetization produced in the first recording region by the at least one RF pulse is greater than magnetization produced in the second recording region by the at least one RF pulse.

Abstract: Methods and devices are provided for testing the function of a standard insulation monitoring device, installed in an ungrounded power supply system, during operation. The basic concept of the invention rests upon adding a testing apparatus to the ungrounded power supply system, which is being monitored using an insulation monitoring device according to regulations, between the active conductors of an ungrounded power supply system and ground, said testing apparatus systematically changing an insulation resistance of the ungrounded power supply system and observing the reaction of the insulation monitoring device in a fully automated manner in perpetually repetitive testing cycles. The power supply system is monitored perpetually during its operation.

Abstract: A measurement accessory device connectable to a measurement apparatus or to a device under test wherein the measurement accessory device comprises means for providing characteristic data of said measurement accessory device in machine readable form used by said measurement apparatus during measurement of said device under test.

Abstract: In an object detection apparatus, a first region definition unit defines a first object region including a first detection point representing a relative position of a first object detected by a millimeter-wave radar with respect to a reference point in an XY-plane. An X-axis direction of the XY-plane is a vehicle widthwise direction, and a Y-axis direction of the XY-plane is a vehicle lengthwise direction. A second region definition unit defines a second object region including a second detection point representing a relative position of a second object detected based on a captured image with respect to the reference point. A region size modification unit modifies the size of the first region in the presence of axial misalignment of the radar. A determination unit determines that the first and second objects are the same if there is an overlap of the first and second object regions in the XY-plane.

Abstract: Several embodiments of the invention provide for a system and processes for joint entity and object tracking using RFID and a detection network. The use of RFID and a detection network allows for the efficient detection, tracking, and recording of an entity path. Various embodiments of the invention allow the system to track the paths of entities through a space and to monitor the entities' interactions with objects in the space. In addition to tracking entities' paths, the system of some embodiments associates each entity with various objects that each entity interacts with, and uses targeted reads of the associated objects to distinguish and verify the paths associated with each entity. The paths and interactions of the entities with objects in the space are then recorded and analyzed to provide insight about the different entities and about their interactions within the space.

Abstract: Various techniques are disclosed for providing a radar system. In one example, such a radar system includes a radar unit adapted to broadcast radar signals and receive return signals in response thereto. The radar unit includes a waveform generator adapted to provide pulse waveforms of different pulse widths and Frequency Modulated Continuous Wave (FMCW) waveforms, wherein the waveforms are interleaved with each other to provide a transmission sequence for the radar signals for detection of long range and short range targets, a power amplifier adapted to amplify the radar signals for broadcast, and an antenna adapted to broadcast the radar signals and receive the return signals. Other examples of radar systems and related methods are also provided.

Abstract: The radiation-direction changing and maintaining portion includes: a linear-movement generator, which is provided on a surface of a wave energy radiating portion opposite to a surface of the wave energy radiating portion from which the wave energy is radiated, and is configured to generate power required to change the direction of radiation of the wave energy radiating portion linearly along the wave energy radiating portion; a direction changer, which is provided so as to face the linear-movement generator, and is configured to change a direction of the power generated by the linear-movement generator toward the wave energy radiating portion to turn the wave energy radiating portion; and a force applying member configured to apply a force to the wave energy radiating portion in a direction against the turning of the wave energy radiating portion, which is caused by the power.

Abstract: The disclosure provides a radar apparatus for estimating a position and a velocity of a plurality of obstacles. The radar apparatus includes a slave radar chip. A master radar chip is coupled to the slave radar chip. The master radar chip includes a local oscillator that generates a transmit signal. The slave radar chip receives the transmit signal on a first path and sends the transmit signal back to the master radar chip on a second path. A delay detect circuit is coupled to the local oscillator and receives the transmit signal from the slave radar chip on the second path and the transmit signal from the local oscillator. The delay detect circuit estimates a routing delay from the transmit signal received from the slave radar chip on the second path and from the transmit signal received from the local oscillator.

Abstract: A system and method for qualitative analysis of time progressive signals, comprising: a qualitative signal analysis module, comprising at least a processor, a memory, and a long term storage device; and an output processor module comprising at least a processor a memory and a network interface has been devised. The qualitative signal analysis module retrieves signal data over time and applies pre-programmed protocols to compare multiple aspects of the signal data to derive meaningful data. The output processor module encodes data generated by the qualitative signal analysis module for use in subsequent analytical steps such as further manipulation, classification or long term storage.

Abstract: The present disclosure relates to a method for cancelling spillover in a MIMO radar system. The method comprises (i) transmitting and receiving a signal in a transmit-receive pair, the received signal including a spillover signal; (ii) routing a part of the transmitted signal of the transmit-receive pair to the received signal to increase the power level of the spillover signal; and (iii) cancelling the spillover signal and the part of the transmitted signal by a spillover cancellation subsystem associated with the transmit-receive pair. Because the part of the transmitted signal corresponds to the spillover signal, both of these signals may be added together to result in a combined signal having a high enough power level to improve the functioning of the spillover cancellation subsystem.

Abstract: An electronic control unit for radar sensors, in particular for driver assistance systems in motor vehicles, including an integrated component for generating and processing high-frequency signals, and a controller for controlling functions of this component, including monitoring functions for monitoring the operability of the radar sensor, characterized by an error injector integrated into the component for generating defined error conditions for a functional test of the monitoring functions.

Abstract: In accordance with various embodiments, methods, systems, and vehicles are provided for determining an environment of vehicles. In one embodiment, a vehicle includes a body, a plurality of sensors, and a processor. The plurality of sensors are disposed onboard the vehicle, and is configured to at least facilitate transmitting signals from a vehicle and receiving return signals at the vehicle after the transmitted signals have contacted one or more objects. The processor is disposed onboard the vehicle, and is coupled to the plurality of sensors. The processor is configured to at least facilitate identifying one or more parameters of the return signals; comparing the one or more parameters with historical data stored in a memory; and determining an environment of the vehicle based at least in part on the comparison of the one or more parameters with the historical data.

Abstract: A detection method for a given mission comprises: a phase of analysing the environment, wherein phase elements of influence on the sea clutter perceived by the radar are sought and stored in memory; a phase of updating the path to be followed by the carrier depending on the requirements of the mission and the elements of influence issued from the result of the analysing phase, the path to be followed decreasing the power of the clutter received by the radar when the antenna is pointing towards a search zone liable to contain a target; the phases being repeated throughout the mission.

Abstract: A range detector device may include a pulsed light source configured to emit pulsed light to an object, a detector configured to receive reflected pulsed light from the object, and a processor cooperating with the pulsed light source and the detector. The processor may be configured to generate a measured range value to the object, and generate an estimated statistical value for a spread of possible range values based upon a characteristic of the pulsed light source.

Abstract: In one embodiment, a photo detection device is provided with a first photo detector having a first semiconductor layer with a first light receiving surface, a second photo detector having a second semiconductor layer with a second light receiving surface, and a substrate which is arranged on the first light receiving surface of the first semiconductor layer and the second light receiving surface of the second semiconductor layer and transmits light. A thickness of the first semiconductor layer and a thickness of the second semiconductor layer are different from each other.

Abstract: In a medical diagnostic imaging system, a method for adjusting image gain compensation during a transition from a first imaging state to a second imaging state, including the steps of determining a first image power value based an image acquired in a first imaging state with a first image gain compensation; determining a second image power value based on an image acquired in a second imaging state with an initial second image gain compensation; determining an image power change value based on the first image power value and the second image power value; and determining an adjusted second image gain compensation based on the initial second image gain compensation and the image power change value.

Abstract: A Continuous Transmission Frequency Modulated (CTFM) detection apparatus includes a projector, a sensor, and a hardware processor. The projector is configured to transmit underwater a frequency modulated transmission wave based on a transmission signal. The sensor is configured to form a reception beam directed downward and laterally outward to a side of the boat or the ship and receive a reflected wave, the reflected wave comprising a reflection of the transmission wave on a target object. The hardware processor is programmed to at least generate a beat signal based at least in part on the transmission signal and the reflected wave, extract a processing signal from the beat signal, and generate an image information related to the target object based on the extracted processing signal.

Abstract: A Multiple Input Multiple Output (MIMO) radar system and method of using it for target recovery are disclosed. The MIMO radar system comprises an array of distributed radiating elements configured to transmit signals towards a target scene, an array of distributed receiving elements configured to receive signals backscattered from the target scene, a sampling module configured to sample the signals received, and a hardware processor configured to recover from the samples position parameters of one or more targets. Range, direction and optionally velocity, are estimated via simultaneous 2D or 3D sparse matrix recovery, wherein all channels defined by transmitter-receiver pairs are processed together. The digital processing may be applied either in Nyquist or sub-Nyquist scheme, reducing the number of samples, transmit and/or receive antennas.

Abstract: After an electroconductive projection is formed on an electrode of an electronic element, a gas barrier film on which an adhesive layer and a contact hole are formed is laminated and pressure-bonded onto a substrate on which the electronic element is formed. Alternatively, after a gas barrier film on which an adhesive layer and a contact hole are formed is laminated on a substrate on which an electronic element is formed and an electroconductive projection is formed on the electrode inside the contact hole, the substrate and the gas barrier film are pressure-bonded to each other, and the contact hole is filled with an electroconductive material. In this manner, there are provided a method of manufacturing an electronic device; and an electronic device to which a take-out wire used to reliably connect the electronic device to an external device using a small contact hole can be connected even in a case where the electronic device is small.

Abstract: In a method for initializing at least one network segment of a network for the wireless location of movable locating objects arranged in a limited space using pulsed radio signals, wherein the at least one network segment in the limited space has at least two spaced apart reference nodes which form a chain-shaped communication network and which are autarkic in terms of communication, wherein a locating object arranged in the limited space is able to be located using one of the distance-based trilateration carried out by at least three reference nodes, and wherein general information is communicated by broadcast channels, the reference nodes listen to the broadcast channels in a standby position until initial information about their active participation in the communication network is received.

Abstract: An object detecting apparatus includes reflecting point detecting means, reflecting point setting means, rear-end positional information generating means and object detecting means. The reflecting point detecting means detects position and speed of reflecting point reflecting radar waves. The reflecting point setting means sets high and low level reflecting points, the high level reflecting point having reflection intensity higher first detecting threshold, and the low level reflecting point having reflection intensity higher than second detecting threshold and lower than the first detecting threshold. The rear-end positional information generating means checks whether or not a low level reflecting point is present satisfying a same object condition in a rear-end searching range, and correlates positional information of the low level reflecting point as rear-end positional information with the high level reflecting point used as reference of the searching range.

Abstract: Disclosed herein are an apparatus and method for extracting ocean wave information. The apparatus for extracting ocean wave information includes a radar image reception unit for receiving a radar image from a radar antenna, a digital conversion unit for converting the received radar image into a digital format, an analysis preparation unit for setting analysis sections of the radar image and performing temporal accumulation on the analysis sections, a three-dimensional (3D) spectrum-conversion unit for converting accumulated analysis sections into a 3D spectrum in a 3D frequency domain by performing a temporal/spatial 3D Fast Fourier Transform (FFT) on the accumulated analysis sections, and an ocean wave information extraction unit for extracting ocean wave information based on the 3D spectrum.

Abstract: Provided are methods of using electromagnetic waves for detecting metal and/or dielectric objects. Methods include directing microwave and/or mm wave radiation in a predetermined direction using a transmission apparatus, including a transmission element; receiving radiation from an entity resulting from the transmitted radiation using a detection apparatus; and generating one or more detection signals in the frequency domain using the detection apparatus. Methods may include operating a controller,' wherein operating the controller includes causing the transmitted radiation to be swept over a predetermined range of frequencies, performing a transform operation on the detection signal(s) to generate one or more transformed signals in the time domain, and determining, from one or more features of the transformed signal, one or more dimensions of a metallic or dielectric object upon which the transmitted radiation is incident.

Abstract: A radio frequency (RF) imaging device comprising a display receives a three-dimensional (3D) image that is a superposition of two or more images having different image types including at least a 3D RF image of a space disposed behind a surface. A plurality of input control devices receive a user input for manipulating the display of the 3D image. Alternatively or additionally, the radio frequency (RF) imaging device may receive a three-dimensional (3D) image that is a weighted combination of a plurality of images including a 3D RF image of a space disposed behind a surface, an infrared (IR) image of the surface, and a visible light image of the surface. A user input may specify changes to the weighted combination. In another embodiment, the RF imaging device may include an output device that produces a physical output indicating a detected type of material of an object in the space.

Abstract: A radio frequency (RF) imaging device comprises an RF sensor assembly, a position sensor, a processor, and a memory. The RF sensor assembly receives an RF signal for capturing an RF image of a portion of a space behind a surface. The position sensor receives a plurality of signals respectively emitted by a plurality of position markers at known positions relative to the surface. The processor determines a plurality of angles at which the plurality of signals respectively arrive at the position sensor and determines, based on the plurality of angles and the known positions of the plurality of position markers, a position of the RF imaging device relative to the surface. The memory stores the RF image in association with the determined position of the RF imaging device. A time-of-flight or triangulation of signal data may be used for position determination.

Abstract: A low cost, all weather, high definition imaging system for an autonomous vehicle is described. The imaging system generates true target object data suitable for imaging, scene understanding, and all weather navigation of the autonomous vehicle. Data from multiple arrays is fed to a processor that performs data association to form true target detections and target positions. A Boolean associator uses an association method for determining true target detections and target positions to reduce many of the ghosts or incorrect detections that can produce image artifacts. The imaging system provides near optimal imaging in any dense scene for autonomous vehicle navigation, including during visually obscured weather conditions such as fog. The system and method can be applied to variety of imaging technologies, including an RF system, a Lidar system, a sonar system, an ultrasound system, and/or an optical system.

Abstract: A radar camera of a signalized traffic control system determines rain intensity, compares it to a threshold, then adjusts traffic signal operation. Rain intensity of a level relative to the threshold causes the traffic control system to operate in a rain intensity mode. The rain intensity mode has the system hold a call to a traffic light controller during the time when rain intensity is above the threshold. The traffic control system includes a radar camera, traffic controller, a computer with memory, and program instructions. A manner of operation includes sampling camera radar, counting the number of raindrops and raindrop size within a predetermined range, determining rain intensity using the measured raindrop parameters/characteristics, comparing the determined rain intensity with a rain intensity threshold, and operating the traffic controller accordingly while the rain intensity is above the threshold.