Abstract: A sensing system for a vehicle includes at least one radar sensor disposed at the vehicle and having a field of sensing exterior of the vehicle. The at least one radar sensor includes multiple transmitting antennas and multiple receiving antennas. The transmitting antennas transmit signals and the receiving antennas receive the signals reflected off objects. Multiple scans of radar data sensed by the at least one radar sensor are received at a control, and a vehicle motion estimation is received at the control. The control, responsive to received scans of sensed radar data, detects the presence of one or more objects exterior the vehicle and within the field of sensing of the at least one radar sensor. The control, responsive to the received scans of sensed radar data and the received vehicle motion estimation, matches objects detected in the scans and determines angles toward the detected objects.

Abstract: A sensing system for a vehicle includes at least one radar sensor disposed at the vehicle and having a field of sensing exterior of the vehicle. The radar sensor includes multiple transmitting antennas and multiple receiving antennas. The transmitting antennas transmit signals and the receiving antennas receive the signals reflected off objects. Multiple scans of radar data sensed by the radar sensor are received at a control, and a vehicle motion estimation is received at the control. The control, responsive to received scans of sensed radar data, detects the presence of objects within the field of sensing of the radar sensor. The control, responsive to the received scans of sensed radar data and the received vehicle motion estimation, synthesizes a virtual aperture and matches objects detected in the scans and determines a separation between detected objects by tracking the detected objects over two or more scans.

Abstract: A sensing system for a vehicle includes at least one radar sensor disposed at the vehicle and having a field of sensing exterior of the vehicle. The at least one radar sensor includes multiple transmitting antennas and multiple receiving antennas. The transmitting antennas transmit signals and the receiving antennas receive the signals reflected off objects. Radar data sensed by the at least one radar sensor is received at a control, and a vehicle motion estimation is received at the control and processed at a processor of the control. The control, responsive at least in part to processing at the processor of the received sensed radar data and the received vehicle motion estimation, determines different types of surfaces in the field of sensing of the at least one radar sensor.

Abstract: The purpose is to calculate wave information accurately. A signal processing device 10 is provided, which may include a frequency area spectrum generating module 8, an integrating module 17, and a wave information calculating module 18. The frequency area spectrum generating module 8 may carry out a frequency analysis of the echoes from the waves included in a plurality of analysis areas set within the detection area, respectively, and generate frequency area spectrums for the plurality of analysis areas, respectively. The integrating module 17 may integrate echo intensities indicated by each sampling point that constitutes each of the frequency area spectrums while unifying directions included in coordinates of the frequency area spectrum, and generate an integrated frequency area spectrum. The wave information calculating module 18 may calculate wave information that is information related to the waves included in the analysis areas based on the integrated frequency area spectrum, respectively.

Abstract: A method includes receiving first electrical signals from a first single-element transducer (1121) and second electrical signals from a second single-element transducer (1122). The transducers are disposed on a shaft (110), which has a longitudinal axis (200), of an ultrasound imaging probe (102) with transducing sides disposed transverse to and facing away from the longitudinal axis. The transducers are angularly offset from each other on the shaft by a non-zero angle. The transducers are operated at first and second different cutoff frequencies. The shaft concurrently translates and rotates while the transducers receive the first and second ultrasound signals. The method further includes delay and sum beamforming, with first and second beamformers (1201, 1202), the first and second electrical signals, respectively via different processing chains (7121, 7122), employing an adaptive synthetic aperture technique, producing first and second images.

Abstract: Techniques, devices or systems based on optoelectronic oscillators (OEOs) to provide operations of optical sensing and ranging and other optical sensing operations including detecting objects based on light detection and ranging (LiDAR) based on either continuous wave or pulsed optical probe light from OEOs.

Abstract: A distance measurement system includes: a signal generator which generates a light emission signal that instructs light emission and an exposure signal that instructs exposure of reflected light; a first illumination and distance measurement light source which receives the light emission signal and, according to the signal received, performs the light emission for illumination without a purpose of distance measurement and the light emission with the purpose of distance measurement using the reflected light; an imaging device which receives the exposure signal, performs the exposure according to the signal received, and obtains an amount of light exposure of the reflected light; and a calculator which calculates distance information using the amount of light exposure and outputs the distance information, wherein the distance measurement system has operation modes including an illumination mode and a first distance measurement mode.

Abstract: A host vehicle position estimation device includes a object database configured to store information on detected objects in which a position of each of the objects on the map and an object-detectable area are associated with each other, a measurement position acquisition unit configured to acquire a measurement position which is the position of the host vehicle on the map, measured by a vehicle-mounted measurement unit, a candidate object recognition unit configured to recognize a candidate object which is associated with the object-detectable area including the measurement position among the objects, based on the object-detectable area in the information on the detected objects and the measurement position, and a host vehicle position estimation unit configured to estimate a host vehicle position based on a position of the candidate object on the map and a result of detection performed by the vehicle-mounted sensor.

Abstract: An apparatus (7) for detecting radiation, preferably x-ray radiation, the apparatus comprising at least one detector element (11) which comprises an absorber element (1) for the radiation and a nanowire (2) made of a superconducting material in thermally conducting communication with the absorber element (1), wherein cooling means (34) are provided in order to cool the absorber element (1) and the nanowire (2) to a temperature in the range of the transition temperature of the nanowire (2) in an operating state of the apparatus (7) and wherein an evaluation and control unit (6) is provided to determine whether the nanowire (2) is in a superconducting state or not.

Abstract: A process for manufacturing an optical system includes forming a first hydrophobic surface at a semiconductor substrate, providing a first drop of transparent material having a first shape on the first hydrophobic surface, and allowing the first drop to harden to form a first optical element having the first shape. The optical system may be a particle detector, and the process may optionally further include forming a light source at the semiconductor substrate configured to generate a light beam that passes through the first optical element and a cavity to a photodetector.

Abstract: An array substrate for a digital X-ray detector, a digital X-ray detector including the same, and a method for manufacturing the same are provided. A thin film transistor (TFT) array substrate for a digital X-ray detector includes: a base substrate, a thin film transistor over the base substrate, a lower electrode connected to the thin film transistor, a positive-intrinsic-negative (PIN) layer over the lower electrode, the PIN layer including: an N-type semiconductor layer, an intrinsic semiconductor layer, and a P-type semiconductor layer, a bias electrode over the PIN layer, and an upper electrode covering the PIN layer and the bias electrode.

Abstract: Embodiments of the invention provide a scintillator material, a scintillator system, and/or a method of detecting incident radiation using a scintillator material, or scintillator system, comprising a polymer material that comprises chromophores. Additional embodiments provide a scintillator material, scintillator system, and/or a method of detecting incident radiation using a sctintillator material, or scintillator system, comprising a polymer material having one, two, three, or more, organic dyes dissolved therein wherein the polymer material having the one, two, three, or more dyes dissolved therein comprises chromophores. At least one of the dyes, termed the base dye, has a concentration in the range 0.5 to 3.5 mol/L. In a specific embodiment, the base dye has a concentration in the range 1.0 to 3.0 mol/L. This base dye concentration is high enough to achieve a substantial triplet-triplet state annihilation rate despite the negligible diffusion of the dye in the rigid polymer matrix.

Abstract: A detector module is provided. The detector module may include a plurality of detector sub-modules. Each of the plurality of detector sub-modules may include a detection layer, at least one data acquisition circuitry, a frame for supporting the detection layer, and a positioning element for assembling the plurality of detector sub-modules. The frame may include a plurality of heat transfer fins that are thermally connected with the at least one data acquisition circuitry for dissipating heat produced by the at least one data acquisition circuitry.

Abstract: A radiation imaging apparatus, comprising a sensor array in which a plurality of sensors capable of detecting radiation are arrayed, and a readout unit configured to read out image data from the sensor array, wherein the sensor array has, as an operation mode, a binning mode in which signals of not less than two sensors are collectively output, and the readout unit includes a correcting unit configured to correct image data read out from the sensor array irradiated with radiation, based on image data read out in the binning mode from the sensor array not irradiated with radiation.

Abstract: Disclosed herein is a method, comprising: exposing an image sensor to a scene; measuring, as analog signals, intensities of light from the scene by a plurality of pixels of the image sensor; converting the analog signals to digital signals; and determining a total intensity of light of the scene by calculating a sum of the digital signals.

Abstract: An apparatus suitable for detecting X-ray is disclosed. In one example, the apparatus comprises an X-ray absorption layer and a controller. The X-ray absorption layer comprises a first pixel and a second pixel. The controller is configured for determining that carriers generated by a first X-ray photon are collected by the first pixel and the second pixel, and resetting signals associated with the carriers collected by the first pixel and the second pixel.

Abstract: An article comprising a turbine component formed of a nickel-chromium (Ni—Cr) alloy including from 2 to 50 wt % chromium balanced by nickel is disclosed. The Ni—Cr alloy is thicker than at least 125 ?m to make a self-supporting turbine component, and the turbine component includes a rotor blade, a stator, or a vane. The Ni—Cr alloy is electroformed on a mandrel by providing an external supply of current to an anode and a cathode in a plating bath containing a solvent, a surfactant, and an ionic liquid including choline chloride, nickel chloride, and chromium chloride.

Abstract: The invention falls within the field of the techniques for manufacturing seismic monitoring systems and is applicable to structures related to civil engineering.

Abstract: Apparatus and methods of identifying rock properties in real-time during drilling, are provided. An apparatus includes an acoustic sensor installed in a drilling fluid circulation system of a drilling rig, the acoustic sensor coupled to one of the following: (i) a bell nipple, (ii) a gooseneck, or (iii) a standpipe. Raw acoustic sensor data generated real-time as a result of rotational contact of the drill bit with rock during drilling is received, and a plurality of acoustic characteristics are derived from the raw acoustic sensor data. The lithology type of rock undergoing drilling may be determined from the acoustic characteristics. Petrophysical properties of the rock undergoing drilling may be determined using a petrophysical properties evaluation algorithm employable to predict the petrophysical properties of rock undergoing drilling from the raw acoustic sensor data.

Abstract: Methods are described for separating the unknown contributions of two or more sources from a commonly acquired aliased wave field signals including the determination of models with reduced support in the frequency-wavenumber domain which reconstruct the wave fields of independently-activated sources after a coordinate-transform of the acquired wave field data and/or in a coordinate-transformed domain.

Abstract: Disclosed are systems and methods for marine geophysical surveying. An example system an electromagnetic source configured to emit an energy field into a body of water; a marine data acquisition node comprising: a base having a buoyancy such that the base is configured to float in a body of water; a geophysical sensor coupled to the base; a weight configured to anchor the marine data acquisition node to a water bottom; and a line connected between the weight and the base configured to prevent the base from floating to a surface of the body of water.

Abstract: A system includes a proximity probe. The system also includes a probe information element. The probe information element is coupled to the proximity probe. The probe information element includes first data corresponding to one or more first error characteristics of the proximity probe.

Abstract: A geomorphological structure monitoring system is disclosed, which comprises a supporting base having an accommodating space and a plurality of through holes, and at least a portion of the supporting base is embedded under a ground; a plurality of sensing devices arranged in the accommodating space vertically and embedded under the ground, the sensing devices may generate a sensing signal when the sensing devices are exposed from the ground due to the structural change of the ground; a signal processing device receiving and processing the sensing signal; and a transmission device connecting the sensing devices in series and the signal processing device.

Abstract: A wellbore survey tool and methods for estimating a direction of highest gamma ray intensity of a gamma ray distribution are provided. The tool includes a body having a center axis. The body is configured to be placed within a wellbore. The tool further includes a plurality of gamma ray detectors within the body. Each detector of the plurality of gamma ray detectors has a direction of maximum gamma ray sensitivity with the direction having a non-zero component perpendicular to the center axis. The non-zero components of the plurality of gamma ray detectors are spaced circumferentially about the center axis.

Abstract: The invention relates to a sensor device (100) for the n capacitive detection of a user action in a vehicle (1), with a sensor element (110), which is configured as an electric line element, wherein the sensor element (110) comprises: an electrically conducting outer conductor element (112), at least one insulator element (120) for the electric insulation of the outer conductor element (112), an evaluation connection adaptation (20) on the outer conductor element (112) for the electrically-conducting connection of the outer conductor element (112) to an evaluation device (210) of the vehicle (1), whereby the detection can be performed. A test connection adaptation (10) in provided on the outer conductor element (112), in order to test a functional test of the sensor device (100) based upon an electric circuit with the outer conductor element (112).

Abstract: The present invention relates to a protection film structure and a protection film attachment-assisting structure, and more particularly, to a protection film structure and a protection film attachment-assisting structure for easily attaching a protection film to an accurate position on a smart device such as a smartphone or a tablet personal computer (PC) without introduction of dust.

Abstract: The marker according to the present invention comprises: a first surface which has light transmissivity, and in which a plurality of cylindrical projection surfaces each having a first ridge line oriented in a first direction are arranged in a second direction that is perpendicular to the first direction; and a second surface which has a plurality of to-be-detected parts that are projected onto the plurality of projection surfaces, and a reflection part that is a region other than the to-be-detected parts and includes a plurality of depressions or a plurality of protrusions. The reflection part has either a plurality of depressions which are arranged such that second ridge lines are disposed periodically or a plurality of protrusions which are arranged such that second trough bottom lines are disposed periodically. The second ridge lines or the second trough bottom lines are slanted with respect to the first ridge lines.

Abstract: A light diffusion film according to an aspect of the present invention includes a resin layer and a first particle and a bubble contained in the resin layer, and in the light diffusion film, the refractive index of the first particle is larger than the refractive index of the resin layer.

Abstract: The display of the present invention includes an uneven-structure-forming layer having a surface provided with a plurality of concavities or a plurality of convexities respectively provided with flat bottoms and flat tops substantially parallel to the flat bottoms, and a light reflecting layer covering all or a part of an uneven surface of the uneven-structure-forming layer. The uneven-structure-forming layer is provided with two kinds of uneven-structure-forming regions. Each of the two kinds of uneven-structure-forming regions has a constant optical distance between the flat bottoms and the flat tops, but the optical distance is different between the two kinds of regions. The two kinds of uneven-structure-forming regions are alternately arrayed.

Abstract: A color-filter on array (COA) display panel is provided. The COA display panel includes an array substrate, a color filter substrate disposed opposite to the array substrate, a component layer disposed on the array substrate, and a color resist layer covering the component layer; wherein the color resist layer is configured with at least one through hole, and an edge of an opening of the at least one through hole is arc-shaped.

Abstract: According to an embodiment, a lens device includes a filter, an entire area of which transmits light of a common color. The filter includes a first filter region and a second filter region. The first filter region transmits light that is a first combination of colors out of colors of light to be received by an image sensor. The second filter region transmits light that is a second combination of colors of the colors of the light to be received by the image sensor. The first and second combinations of colors each include the common color.

Abstract: A polarizing plate includes: a polarizing film; and an optical film on a surface of the polarizing film, the optical film including a first resin layer and a second resin layer sequentially stacked on the polarizing film, wherein the second resin layer has a higher index of refraction than the first resin layer, a plurality of pattern groups is at an interface between the first resin layer and the second resin layer, each of the pattern groups including at least two embossed optical patterns protruding from the second resin layer and a flat section between adjacent embossed optical patterns, each of the first surfaces being a bottom portion of each of the embossed optical patterns, and, in each pattern group, shortest distances between the first surfaces of the embossed optical patterns and the flat sections immediately adjacent to the embossed optical patterns are sequentially increased, or sequentially decreased.

Abstract: The present specification relates to a method for manufacturing a polarizer and a polarizer manufactured by using the same, and more particularly, to a method for manufacturing a polarizer, which includes a cross-linking and elongating step using an aqueous solution including a polyvalent carboxylic acid compound and a boric acid compound, and a polarizer manufactured by using the same.

Abstract: A polarizer and a manufacturing method of a polarizer are provided. The polarizer includes: an alignment layer including a cured liquid crystalline material and having a plurality of concave portions defined on its surface to extend in a first direction; and a polarizing material layer containing a dye and disposed on the surface of the alignment layer on which the concave portions are defined.

Abstract: Provided is a circularly polarizing plate for an organic EL display apparatus, which has a high barrier function, is extremely thin, and has an excellent antireflection function. The circularly polarizing plate for an organic EL display apparatus of the present invention includes in this order: a polarizer; a retardation layer, which is configured to function as a ?/4 plate; a barrier layer; and a pressure-sensitive adhesive layer, which has a barrier function, in which the barrier layer includes thin glass having a thickness of from 5 ?m to 100 ?m.

Abstract: A method for design and fabrication of holographic optical elements for a compact holographic sight is proposed. The method includes use of ray-trace software to design holographic elements having optical power using an intermediate hologram with parameters obtained through minimization of the merit function defining image quality.

Abstract: A lightguide includes features for extracting light that would otherwise be confined and propagate within the lightguide primarily by total internal reflection. A first portion of light propagating within the lightguide and extracted exits the lightguide through a first area of the lightguide having an optical reflectance of at least 30% and an optical transmittance of at least 5% for normally incident light at a wavelength of the extracted light. A second portion of light propagating within the lightguide and extracted exits the lightguide through a different second area of the lightguide having an optical transmittance of at least 80% for normally incident light at the wavelength of the extracted light.

Abstract: The present invention achieves a light-guide plate with less uneven light emission. The light-guide plate includes a front surface and a back surface, which are surfaces different from an end face of light incident surface and face each other. A dot pattern including a main dot and a sub-dot having different shapes from each other is disposed on the back surface.

Abstract: An optical fiber manufacturing apparatus includes a rotating mechanism including a holding member that holds one side of an optical fiber and a rotating member that rotates the holding member, the optical fiber including a glass fiber portion and a coating layer covering the glass fiber portion; a guiding member secured at a distance from the rotating mechanism and configured to retain the other side of the optical fiber loosely fitted therein; and a heating mechanism configured to heat a part of the glass fiber portion exposed and extending out of the coating layer, the part being interposed between the holding member and the guiding member. By rotating the rotating member counterclockwise by a given angle, the glass fiber portion is drawn from the guiding member and bent with a predetermined curvature while being heated.

Abstract: An optical indicating structure includes a light guiding element and a light source. The light guiding element includes a protruding portion, a light exit surface and a light incident surface, wherein the light exit surface is formed on the protruding portion. The light source is configured to emit a light beam, wherein the light beam enters the light guiding element through the light incident surface and leaves the light guiding element through the light exit surface to be an indicating sign.

Abstract: An illumination device is provided that provides a uniform luminance of a light emitting surface and is less likely to cause a fringe pattern. The illumination device includes a mounting substrate on which multiple LEDs are mounted, a planar light guide plate that receives and guides at least a part of emission light emitted from the multiple LEDs, and multiple optical structures that are provided at intervals on one surface of the light guide plate and that change a traveling direction of light. The multiple optical structures include a first arrangement section that is provided on the LED side, a second arrangement section that is provided on a side away from the LEDs, and a third arrangement section that is provided between the first arrangement section and the second arrangement section.

Abstract: An illumination system includes a lightguide having light extractors. A first light source is disposed at an end face of the lightguide. Light emitted by the first light source is extracted from the lightguide by the light extractors and exits the lightguide primarily along a first direction different than the length direction. A second light source is disposed along the length of the lightguide. Light emitted by the second light source enters the lightguide from a first side surface and exits the lightguide from a different second side surface along a second direction different than the first and length directions. Light emitted by the second light source has a first divergence in a first plane before entering the lightguide through the first side surface and a different second divergence in the first plane after exiting the lightguide from the second side surface.

Abstract: The present invention discloses an LED panel light, including at least one light source module, an LED driver for powering the at least one light source module, and a light guide, where each light source module includes an LED light bar including a plurality of light emitting diodes and a light bar holder; the light bar holder includes a first fixing surface, a second fixing surface, and a mounting surface connecting the first fixing surface and the second fixing surface; the first fixing surface, the second fixing surface, and the mounting surface together form a groove; and the LED light bar is mounted on the mounting surface.

Abstract: An illumination apparatus, comprising a light source unit, a rod-shaped light guide configured to guide light from the light source unit and emit the light from a light emitting surface, a covering member configured to contain the light guide, and a housing configured to contain the light source unit, the light guide, and the covering member, the light guide including a protruded portion configured to suppress a shift in a longitudinal direction, the covering member including an opening, and the housing including a receiving portion configured to receive the protruded portion of the light guide, wherein the protruded portion of the light guide is engaged with the receiving portion of the housing via the opening of the covering member.

Abstract: There is provided with an illumination apparatus. The illumination apparatus includes a light source. A rod-shaped light guide includes, as a first surface, a light emitting surface that emits light taken from the light source. A light guide cover is configured to cover a second surface different from the first surface among surfaces of the light guide. The second surface is a surface extending in a longitudinal direction of the light guide. The light guide cover is extended in the longitudinal direction. The light guide cover includes at least one finger holding the light guide.

Abstract: A multicore fiber for communication 10 which allows propagation of an optical signal includes: a clad 12;a core 11a which is arranged in a center of the clad 12; and seven to ten cores 11b which are arranged at equal intervals surrounding the core 11a, and the cladding diameter is 230 ?m, distances between centers of the mutually neighboring cores 11a and 11b are 30 ?m or more, distances between the centers of the cores 11b and an outer peripheral surface of the clad 12 are 35 ?m or more and a mode field diameter of light propagating in the cores 11a and 11b is 9 ?m to 13 ?m.

Abstract: Disclosed are a collimator for reducing noise of a scanned image and an imaging catheter system comprising the same. The disclosed noise attenuation collimator comprises: a transparent tube having a diameter larger than a cladding diameter of double-clad fiber, wherein a coatingless region of the double-clad fiber is inserted into the transparent tube; and a first resin layer which is applied to an exterior of the transparent tube and has a refractive index lower than the refractive index of the transparent tube.

Abstract: Layered glass structures and fabrication methods are described. The methods include depositing soot on a dense glass substrate to form a composite structure and sintering the composite structure to form a layered glass structure. The dense glass substrate may be derived from an optical fiber preform that has been modified to include a planar surface. The composite structure may include one or more soot layers. The layered glass structure may be formed by combining multiple composite structures to form a stack, followed by sintering and fusing the stack. The layered glass structure may further be heated to softening and drawn to control linear dimensions. The layered glass structure or drawn layered glass structure may be configured as a planar waveguide.

Abstract: Methods and systems are presented for heterogeneous integration of photonics and electronics with atomic layer deposition (ALD) bonding. One method includes operations for forming a compound semiconductor and for depositing (e.g., via atomic layer deposition) a continuous film of a protection material (e.g., Al2O3) on a first surface of the compound semiconductor. Further, the method includes an operation for forming a silicon on insulator (SOI) wafer, with the SOI wafer comprising one or more waveguides. The method further includes bonding the compound semiconductor at the first surface to the SOI wafer to form a bonded structure and processing the bonded structure. The protection material protects the compound semiconductor from acid etchants during further processing of the bonded structure.

Abstract: Methods and systems for partial integration of wavelength division multiplexing and bi-directional solutions are disclosed and may include, an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC). The silicon photonics integrated circuit may include a first modulator and first light source that operates at a first wavelength and a second modulator and second light source that operates at a second wavelength. The transceiver and PLC are operable to modulate a first continuous wave (CW) optical signal from the first light source utilizing the first modulator and modulate a second CW optical signal from the second light source utilizing the second modulator. The modulated signals may be communicated from the modulators to the PLC utilizing a first pair of grating couplers in the IC and combined in the PLC.