Abstract: An imaging method comprises: acquiring magnetic resonance data of a subject using a magnetic resonance component (30, 30?) disposed with the subject; acquiring nuclear imaging data of the subject with the magnetic resonance component disposed with the subject; determining a position of the magnetic resonance component respective to a frame of reference of the nuclear imaging data; and reconstructing the nuclear imaging data (60) to generate a nuclear image (62) of at least a portion of the subject. The reconstructing includes adjusting at least one of the nuclear imaging data and the nuclear image based on a density map (46) of the magnetic resonance component and the determined position of the magnetic resonance component respective to the frame of reference of the nuclear imaging data to correct the nuclear image for radiation absorption by the magnetic resonance component.

Abstract: A system for measuring nuclear magnetic resonance spin-lattice relaxation time T1 and spin-spin relaxation time T2 of a sample includes a source of a substantially uniform magnetic field B0 for immersing at least a portion of the sample; a nuclear magnetic resonance excitation and detection system constructed and arranged to excite at least a portion of the sample with a plurality of nuclear magnetic resonance pulse sequences, each applied with a repetition time that is preselected to be sensitive to a T1 value of at least a portion of the sample, and to detect nuclear magnetic resonance emissions from the sample in response to excitations to provide a plurality of detection signals; and a signal processing system configured to communicate with the nuclear magnetic resonance excitation and detection system to receive the plurality of detection signals.

Abstract: Determining diffusivity of multiple diffusion components within a tissue using diffusion magnetic resonance data representing a volume of the tissue. A plurality of candidate fibers having a direction is defined within the volume. A possibility coefficient is calculated by a processor for each candidate fiber of the plurality of candidate fibers based on the magnetic resonance data and the direction of the candidate fiber. The possibility coefficient represents a likelihood that the candidate fiber exists in the volume. Candidate fibers associated with a possibility coefficient greater than a threshold value are selected by the processor to create one or more probable fibers. For each probable fiber of the one or more probable fibers, an axial diffusivity indicating a diffusion of water in the direction of the probable fiber and a radial diffusivity indicating a diffusion of water perpendicular to the direction of the probable fiber are calculated by the processor.

Abstract: A method of MRI for reduction of motion artifacts in 3D MR data acquisition with multiple segments comprises: the complete acquisition being divided into two parts: basic acquisition and complementary acquisition. Basic acquisition is performed at the beginning. Complementary acquisition is performed after the basic acquisition is finished. View Reordering is prepared for basic acquisition and complementary acquisition separately. Motion monitoring is performed regularly during the data acquisition. Whenever motion is detected, data acquisition stops. Image reconstruction is performed when motion occurs in the phase of complementary acquisition. The final reconstructed image is free of motion artifacts.

Abstract: A method of error correction in automated test equipment (ATE) is presented. The method comprises calibrating the ATE using a calibration board, wherein the calibration board comprises a reference voltage. The calibrating comprises: (a) measuring the reference voltage using a reference channel and each of a plurality of channels in the ATE; (b) recording a series of differential voltage measurement values obtained from the measuring in a calibration module; and (c) calculating a respective correction factor for each of the plurality of channels utilizing the series of differential voltage measurement values. The method further comprises obtaining a measured voltage value for a DUT connected to a first channel in the ATE, wherein the first channel is one of the plurality of channels. Finally, the method comprises correcting the measured voltage value using a respective correction factor for said first channel.

Abstract: The present invention relates to a deployment method for high-concentration photovoltaic power generation system, According to the present invention, after acquiring the location parameters of a solar tracker array, the surface images of the receiving surface of the solar trackers are acquired subsequently. Afterwards, the numbers of the white and grey pixels in the surface images are analyzed for giving the shadowing ratio. According to the shadowing ratio, the estimated power generation can be calculated. Thereby, the related supplier can refer to the simulated data for improving the deployment. By adjusting to a better deployment for constructing the high-concentration solar tracker array, high power-generation benefit can be utilized given the existing land condition.

Abstract: A system for providing positioning information within a wireless communication signal. An apparatus may determine whether to provide information usable for positioning in a packet. If it is determined that positioning information will be provided in the packet, header information in the packet may be configured to indicate that the packet includes positioning information. The positioning information may then be included in the packet, which may then be transmitted. When the packet is an advertising packet, the packet may be transmitted on an advertising channel. A scanning apparatus may then receive the packet and may determine, based on the header information in the packet, whether the packet includes positioning information. If it is determined that the packet includes positioning information, positioning in the scanning apparatus may be configured based on the header information, and positioning may be performed in the scanning apparatus based on the positioning information in the packet.

Abstract: A personal locator beacon system including at least one individual locator device and a plurality of battery powered wireless beacons installed at different locations within a facility. Each individual locator device is worn by a corresponding individual and has a local wireless transceiver and a GPS receiver. The plurality of beacons include at least a subset of reed switch beacons installed at different doorway locations within the facility. Each reed switch beacon is configured to transmit an identification signal with a predetermined signal strength for reception by the local wireless transceiver of the individual locator device within a designated area of the facility, as well as to selectively acquire a perimeter mode for detecting opening of a respective door of the facility.

Abstract: A non-linear radar is disclosed that is able to detect non-linear target responses that are below the harmonic-noise floor of the radar. To accomplish this below-the-noise-floor sensitivity feature the proposal specifically addresses all of the problems commonly faced by non-linear radar such as linearity of the transmitter path, receiver path, and size, weight, and power, and cost (SWaP-C). The radar operates in both standard and nonlinear modes with signal processing that allows display of nonlinear alone, linear alone, or both types of backscatter. Different combinations of six methodologies allow customization to fit different application needs, from low-cost modest performance, to higher cost and extremely high performance.

Abstract: A pulse running time filling level sensor includes a sampling device for sampling an IF signal at discrete instants and for converting the sampling values into digital sampling values, and a digital signal processing device for subsequent processing of the digital sampling values by calculating at least one new value characterizing the IF curve from respectively exactly two digital sampling values.

Abstract: A system and method for suppressing radio frequency (“RF”) transmissions includes a transmitter for transmitting electronic signals that suppresses (e.g., prevents, disrupts, jams, interferes with or otherwise disables) RF transmissions. Some embodiments of the invention include a transmitter that suppresses one or more signals transmitted from a target transmitter in an RF transmission system to a target receiver in a wireless device operating in the RF transmission system to prevent, disrupt, jam, interfere with or otherwise disable an RF transmission between the target transmitter and the target receiver in the wireless device (i.e., target wireless device). These systems and methods may be used to interrupt communication, command and control of non-friendly combatant. These systems and methods may also be used to suppress RF transmissions to prevent the detonation of improvised explosive devices, or IEDs.

Abstract: The invention relates to a method for operating a distance sensor (10). In the method, a transmission signal (S1) is radiated as transmission radiation (S2), reflected as reflection radiation (S3) by an object (16), the distance (D) of which is to be measured, and received as a reflection signal (S4). The reflection signal (S4) present at a receiver input (28) and a reference signal likewise occurring at the receiver input (28) are controlled to a specified ratio, the distance (D) being determined during the adjusting process. The invention further relates to devices for performing the method. The method is characterized in that microwaves are used as the transmission radiation (S2) and a cross-talk signal (S5, S6) from the transmission signal (S1) directly to the receiver input (28) with suppressed radiation of the transmission signal (S1) is used as the reference signal.

Abstract: The invention relates to a radar-transparent component comprising a plastic body. Said component is characterized in that at least parts of the surface have a coating with a thickness of between 10 nm and 100 nm that comprises a semiconductor. Said coating gives the plastic body the desired metallic appearance without the body losing the characteristic of a radar-transparent component.

Abstract: Systems and methods may provide for transmitting an outbound radar signal via an antenna structure and receiving a reflected radar signal via the antenna structure. Additionally, a three dimensional (3D) code may be interpreted based on the outbound radar signal and the reflected radar signal. In one example, interpreting the 3D code includes determining depth data for each of a plurality of cells in the 3D code.

Abstract: An apparatus and method for the pre and post processing of radar signals to allow for improved measuring of circular depolarization ratio data in a weather radar. The system uses a phase shifter, which is periodically calibrated to ensure proper polarity, to alter the transmission phase of one channel of a radar transmission output. Reflectivity signals are then processed in accordance with rules dependent upon the transmission phase shift to reliably extract circular depolarization ratio (“CDR”) data from the reflectivity signals. CDR data is used to enhance hydrometer recognition in a weather radar system.

Abstract: Disclosed is a radar weather data signal processing module comprising: a pulse compression unit for pulse-compressing a received weather signal; a correlation coefficient calculation unit for calculating a correlation coefficient on the basis of the pulse-compressed weather signal; and a weather variable calculation unit for calculating a weather variable on the basis of the calculated correlation coefficient.

Abstract: An audio device may be configured to detect proximity of a user hand based on analysis of audio signals captured by the audio device. For example, the audio device may be configured to perform acoustic echo cancellation based on dynamically calculated filter coefficients. The coefficients may be analyzed to determine proximity of the user hand. The proximity of the hand may be evaluated over time to detect user hand gestures.

Abstract: A position measurement device that measures three-dimensional coordinates of an object using ultrasound. The position measurement device includes a transmitter that emits an ultrasonic wave; three receivers that receive an ultrasonic wave; a time determination unit that determines an arrival time candidate for each of the receivers wherein the arrival time candidate is a time period from emission to arrival of the ultrasonic wave after being reflected from an object, and determines a plurality of the arrival time candidates for at least one of the receivers; a coordinate calculation unit that calculates a plurality of candidates of three-dimensional coordinates indicative of positions of the object based on the arrival time candidates determined by the time determination unit and relative positions of the transmitter and the receivers; and a coordinate determination unit that determines the three-dimensional coordinates of the object based on the plurality of candidates of three-dimensional coordinates.

Abstract: A light guide member for an object detection apparatus for detecting an object adhered on a light translucent member based on change of quantity of reflection light received from the light translucent member includes a detection face where light exits to the light translucent member and reflection light reflected from the light translucent member enters, the detection face including a detection area where a part of the reflection light to enter the detection unit passes through, and a non-detection area where remaining part of the reflection light not to enter the detection unit passes through; a first intervening member disposed on the detection face attachable to the light translucent member via the first intervening member; and a second intervening member disposed on the detection face attachable to the light translucent member via the second intervening member. The first intervening member has flexibility greater than flexibility of the second intervening member.

Abstract: Techniques are disclosed for laser-based target locating for measuring and displaying absolute coordinates (e.g., Global Positioning System (GPS) coordinates) for a target. Techniques include determining absolute coordinates of a laser-based target locator, and using range and other measurements (e.g., compass heading, tilt, and/or the like) to determine the absolute coordinates of a target. The laser-based target locator can then display the absolute coordinates to a user. Sensors providing the other measurements may be calibrated by first determining the absolute coordinates of an optical tag, which may be optically communicated to the laser-based target locator.

Abstract: A dual-mode laser-based and image-based seeker for projectiles, missiles, and other ordnance that persecute targets by detecting and tracking energy scattered from targets. The disclosed embodiments use a single digital imager having a single focal plane array (FPA) sensor to sense data in both the image-based and laser-based modes of operation. A control mechanism controls pixel scanning at a sub-window of the FPA to tightly control the imager's shuttering to detect, decode and localize in the imager's field-of-view a known pulse repetition frequency (PRF) from a known designator in the presence of ambient light and other confusing target designators, each having a different PRF.

Abstract: A light receiving region has a planar shape of a rectangular shape having a pair of long sides opposed to each other in a first direction and a pair of short sides opposed to each other in a second direction. First and second semiconductor regions are arranged as spatially separated from each other along the respective long sides. First and second gate electrodes are arranged each between the corresponding semiconductor region and the light receiving region. Third gate electrodes are arranged as spatially separated from each other between the first and second gate electrodes arranged along the long sides. Each of the third gate electrodes has a first electrode portion located between a third semiconductor region and the light receiving region, and a second electrode portion overlapping with the light receiving region and having a width in the second direction smaller than that of the first electrode portion.

Abstract: The present invention relates to the technical field of communications, and disclosed are a mobile station locating method and device for a cluster system. The method includes: through a control channel, activating a location information uploading function of a mobile station which needs location tracking; over a location tracking data service channel, sending a location information request message to the mobile station, the location tracking data service channel being a service channel with the same frequency as and a different time slot from the control channel; over the location tracking data service channel, receiving a location information response message sent by the mobile station, the location information about the mobile station being carried in the location information response message; and according to the location information about the mobile station, determining the current location of the mobile station.

Abstract: Various embodiments of the present invention provide systems, methods, and computer program products for identify the probability of a particular attribute being located along a segment of interest for a driving route. In general, various embodiments of the invention involve representing the segment of the driving route by patterns of speed variations obtained from GPS elements along the segment of the driving route and using the representation as input for functions representing various types of attributes to determine the probability of a particular type of attribute existing along the segment of the driving route.

Abstract: Spoofing of a satellite positioning system is detected by receiving position location data from multiple sources. The received data is compared and inconsistent data is marked. A position location is estimated based on the received position location data, while accounting for the marked inconsistent data.

Abstract: Methods and systems for power optimization of a global navigation satellite system may comprise receiving LEO RF satellite signals utilizing a LEO satellite signal receiver path (LEO Rx) in a wireless communication device (WCD). Circuitry in the LEO Rx may be configured in a powered down state based on a sleep schedule. A location of the wireless communication device may be determined utilizing LEO signals received by the LEO Rx. The sleep schedule may be based on a desired accuracy of the determined location, the relative strengths of signals received from a plurality of LEO satellites, a relevance factor generated by a position engine and communicated to the sort module, or a desired power level of the WCD. The relative strengths of received signals may be compared utilizing a sort module in a LEO demodulator in the LEO satellite signal receiver path.

Abstract: A method for determining a position of an object having a Global Navigation Satellite System (GNSS) receiver comprises receiving signals that are transmitted by GNSS transmitters positioned on board satellites positioned in view of the object; updating service data in the object, the service data including satellite clock data, satellite orbit data, satellite delay code bias data relating to delay code biases of the GNSS transmitters, and ionospheric model data indicating a state of an ionosphere; determining, based on the ionospheric model data, ionospheric delay data indicating corrections relating to delays of the signals, the delays of the signals resulting from passage of the signals through the ionosphere, and reception of the signals by the GNSS receiver; and determining a position of the object based on the signals, the satellite clock data, the satellite orbit data, the satellite delay code bias data, and the determined ionospheric delay data.

Abstract: A method and apparatus of location sequence inferences for moving objects traveling along a path. The method and apparatus primarily concerns determining the location of a moving vehicle on a roadway in a roadway network. The inputs to the system include: raw GPS tracking sequence with timestamp, trajectory of the moving object inferred by map matching, accurate speed sequence from a reliable device, e.g. OBD (On-Board Diagnostics is an automotive term referring to a vehicle's self-diagnostic and reporting capability), historical map matching results and historical locations sequence inference results. The output of the system is a sequence of more accurate location (on road segments) sequences than raw GPS locations and map matching results.

Abstract: A radiation monitor includes a high-energy count-rate-measurement functional unit, a low-energy count-rate-measurement functional unit, and an alert-diagnosis functional unit. The alert-diagnosis functional unit receives an alert from the high-energy count-rate-measurement functional unit, receives a low-energy count rate from the low-energy count-rate-measurement functional unit, determines whether or not the low-energy count rate is in a set acceptable range by performing synchronizing with alert transmission, determines that the alert is caused by fluctuation, when the low-energy count rate is in the acceptable range, determines that the alert is caused by any of an increase in the ? ray which is a measurement target or enter of noise, when the low-energy count rate is increased beyond the acceptable range, and outputs results of determination.

Abstract: A probe for detecting K-alpha photon emissions. A housing has an aperture at an end. A detector crystal is situated within the housing adjacent to the housing aperture. An energy conversion device is situated within the housing between the detector crystal and the aperture. The energy conversion device is made from a predetermined material configured to convert energy directed through the housing aperture from a source of primary photon emission radiation to a corresponding secondary K-alpha emission within a predetermined emission energy acceptance window. A power supply is coupled to the detector crystal and is configured to establish a polarized electrical field between the anode and the cathode of the detector crystal. The detector crystal receives the K-alpha emission and generates an electrical signal representative of the amount of target emissions received through the housing aperture.

Abstract: Embodiments relate to detector imaging arrays with scintillators (e.g., scintillating phosphor screens) mounted to imaging arrays or radiographic detectors using the same. For example, the detector imaging arrays can include a scintillator, an imaging array comprising imaging pixels, where each imaging pixel comprises at least one readout element and one photosensor; and a first dielectric layer formed between the scintillator and the imaging layer, wherein the dielectric constant of the insulating layer is very low. Embodiments according to the application can include a second dielectric layer formed over at least a portion of the non-photosensitive regions of the array and/or a first dielectric layer, each with a dielectric constant.

Abstract: Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front sources located in front of the plural streamers along a traveling direction of the streamer vessel; and first and second large offset front sources located in front of the first and second front sources along the traveling direction. The offset distance between the first and second large offset front sources, along a cross-line direction, is larger than an offset distance between the first and second front sources.

Abstract: A seismic source signal apparatus for generating a seismic source signal may include a seismic source component for coupling a reaction mass to the earth; a controllable valve operatively connected to the seismic source component; and a controller controlling the controllable valve with a primary control signal generated by using a model of a response of the controllable valve over a selected operating range. The model is used to reduce nonlinearity in flow versus displacement response of the controllable valve.

Abstract: Embodiments, including apparatuses, systems and methods, for attaching autonomous seismic nodes to a deployment cable. In an embodiment, an apparatus includes a seismic node having a direct attachment mechanism configured to directly attach the seismic node to a deployment line, the direct attachment mechanism being configurable between an open and/or unlocked position and a closed and/or locked position to release and retain the deployment line.

Abstract: The present method provides spatial sampling of a seismic wavefield on the free surface of the earth at an effective spatial sampling denser than the physical layout of the sensors. The sensors are comprised of a sensing element for vertical particle motion at the earth's surface, and a sensing element for rotational motion around a horizontal axis at the surface of the earth. Stress and wavefield conditions known at the free surface of the earth allow the rotational sensing element to yield the transverse horizontal gradient of the vertical particle motion wavefield. This horizontal gradient and the vertical particle motion data are utilized in the technique of ordinate and slope sampling to yield an improved transverse spatial sampling of the vertical particle motion wavefield. The method has a wide range of application in seismic surveys in oil and gas exploration and production.

Abstract: A device, medium and method for de-blending seismic data associated with a subsurface of the earth. The method includes a step of receiving seismic data “d” recorded with one or more land receivers, wherein the seismic data includes shot recordings generated by plural sources that are simultaneously actuated; a step of forming either a continuous receiver trace or trace segments from the received seismic data; a step of selecting plural overlapping spatial blocks that cover the surface shot locations; a step of assigning the shot recordings to the plural overlapping spatial blocks; a step of applying a mathematical technique to the recordings to determine de-blended data; and a step of generating an image of the subsurface based on the de-blended data.

Abstract: A marine geophysical deflector for towing seismic arrays includes a float main body with one or more deflector wings extending downwards into the sea, and one or more slender top float elements arranged generally in a longitudinal direction on top of the main body. The number of the top float elements may be two or more. There may be arranged two or more distance floats below the float main body and an upper horizontal plate at the top of the one or more deflector wings.

Abstract: Maximum and minimum horizontal stresses are estimated using radial profiles of shear moduli for a deviated borehole. Inversion enables estimation of maximum and minimum horizontal stresses using radial profiles of three shear moduli associated with an orthogonal set of axis defined by the deviated borehole azimuth from the North and the deviation of the longitudinal axis of the borehole from the vertical.

Abstract: Cased-hole radial profiling of shear parameters from sonic measurements is disclosed.

Abstract: Omnidirectional electromagnetic signal inducer (omni-inducer) devices are disclosed. The omni-inducer device may include a housing, which may include a conductive base for coupling signals to ground, and an omnidirectional antenna node including a plurality of antenna coil assemblies, where the node may be disposed on or within the housing. The omni-inducer device may further include one or more transmitter modules for generating ones of a plurality of output signals, which may be generated at ones of a plurality of different frequencies, and one or more control circuits configured to control the transmitters and/or other circuits to selectively switch the ones of the plurality of output signals between ones of the plurality of antenna coil assemblies.

Abstract: A method can include providing borehole data organized with respect to a cylindrical surface, defining one or more bedding planes based at least in part on the borehole data, and transforming at least a portion of the borehole data to a planar slab format for a plane interior to the cylindrical surface. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: Method and cleaning device for cleaning a seismic streamer. The cleaning device includes a flexible body having a shape that wraps around a longitudinal axis; a movement-generating device attached to an end portion of the flexible body; and first cleaning elements provided on a first portion of the flexible body and configured to clean the seismic streamer. The flexible body is configured to wrap around the seismic streamer.

Abstract: A subsurface hydrocarbon reservoir with wells is simulated by sequential solution of reservoir and well equations to simulate fluid flow inside the reservoir and well production rates. Sequential solution of reservoir and well equations treats wells as specified bottom hole pressure wells. This avoids solving large matrices resulting from the simultaneous solution of the reservoir and well equations which can be computationally very expensive for large number of unknowns and require special sparse matrix solvers. Such sequential solution involves regular reservoir system solvers complemented by a small matrix for the numerical solution of the well bottom hole pressures.

Abstract: A method performed with a computing system for determining well integrity includes receiving a selection of a well configuration of a well, and receiving a selection of a wellbore operation performed with the well configuration. The selected well configuration includes one or more casing strings and a production tubing extending from adjacent a wellhead of the well to adjacent a bottom of the well. In some examples, the method further includes determining, based on the well configuration and the wellbore operation, a characteristic of the well at or adjacent the one or more casing strings and the production tubing during the wellbore operation, and modifying the well configuration to remove the production tubing. In some examples, the method still further includes determining, based on the modified well configuration and the wellbore operation, the characteristic of the well at or adjacent the one or more casing strings during the wellbore operation.

Abstract: Method for adaptive weighting of geophysical data types in iterative joint inversion to speed convergence and aid escape from local minima of the penalty (objective) function. Two or more geophysical data sets (11) representing a region of interest are obtained, and are jointly inverted to infer models of the physical properties that affect the particular types of data used. The misfit for each data type is a weighted tem in the penalty function (13). The invention involves changing the weights (51) as the iteration cycles progress when the iteration convergence criteria are satisfied (15), to see if they remain satisfied (52) with the modified penalty function.

Abstract: Provided are a resin composition for an optical film including an alkyl(meth)acrylate unit, a benzyl(meth)acrylate unit, a (meth)acrylic acid unit, and a unit expressed by Chemical Formula I, an optical film, a polarizing plate, and an image display device using the resin composition.

Abstract: An optical article includes a substrate having a main surface coated with an antireflection coating and, directly contacting the antireflection coating, a precursor coating of an antifog coating obtained through the grafting on the antireflection coating of at least one compound B bearing a polyoxyalkylene group, the coating precursor of the antifog coating being coated with a surfactant film so as to form an antifog coating. The surfactant film contains at least one surfactant A having a sorbitan ring hydroxyl groups functionalized with OH-terminated polyoxyalkylene groups and R1 groups of formula:—(RdO)z—(Y)n2—R?, in which Rd is an alkylene group, z is an integer >1, Y is a divalent group, n2 is 0 or 1 and R? is a saturated hydrocarbon group having 12 to 19, preferably 13 to 19 carbon atoms. Surfactants A provide a visual indication whether or not the antifogging effect will still be long-lasting.

Abstract: The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.

Abstract: A plasmonic device having a transparent conducting oxide (TCO) waveguide and a tunable voltage applied across the TCO and a metal layer for modulating an input optical signal.

Abstract: A manufacturing method for a micromirror array includes: preparing transparent flat substrates; attaching each of the substrates at a predetermined position of a machining stage of a dicing machine; sequentially forming parallel linear grooves arranged at intervals in one surface of each substrate; and stacking the substrates together so that the directions in which the linear grooves of the respective substrates extend are orthogonal to each other as seen in plan view. The substrates are stacked together in a manner selected from the group consisting of: the front surface of one of the substrates and the back surface of the other substrate are joined together for the stacking of the substrates; the front surfaces of the respective substrates are joined together for the stacking of the substrates; and the back surfaces of the respective substrates are joined together for the stacking of the substrates.