Abstract: A position information common management system for a mobile object includes an information processing apparatus. The information processing apparatus is configured to receive information including position information and metadata as one set wirelessly transmitted from a plurality of position information sources respectively moving along with a plurality of mobile objects. When a request for transmission of position information constituting one set with specified metadata is received from an information terminal, the information processing apparatus is configured to search for a set including the specified metadata among the received sets each including the position information and the metadata. The information processing apparatus is configured to transmit position information of the searched set including the specified metadata and position information to the information terminal.

Abstract: A positional measurement system includes: a mobile robot including a global navigation satellite system (GNSS) signal reception unit that receives GNSS signals and calculates a position of the mobile robot based on the GNSS signals, a GNSS signal precision evaluation unit that evaluates positional measurement precision by the received GNSS signals, and a position control unit that moves the mobile robot to a high-precision reception position, where GNSS signals yielding positional measurement precision higher than a first threshold precision can be received; a relative position detection unit that detects a relative position of a target as to the mobile robot situated at the high-precision reception position; and a target position calculation unit that calculates a position of the target based on the calculated position of the mobile robot based on the GNSS signals received at the high-precision reception position, and the relative position.

Abstract: A device may determine that a charge of a capacitor of the device, powered by solar energy, satisfies a threshold. The device may power on a first set of components of the device based on determining that the charge of the capacitor satisfies the threshold. The device may obtain ephemeris data based on powering on the first set of components. The device may power on a second set of components of the device based on obtaining the ephemeris data. The device may obtain GPS data using the ephemeris data and based on powering on the second set of components. The device may transmit the GPS data. The device may power off at least one component, of the first set of components or the second set of components, after transmitting the GPS data.

Abstract: An information processing method including: acquiring data indicating a first location measured with a satellite positioning system including a plurality of satellites, identifying a second range corresponding to a first range including the first location based on first information and an arrangement pattern of the plurality of satellites at a time when the first location is measured, each of the first ranges being a range to which a location measured with the satellite positioning system corresponds, each of the second ranges being a range to which a corrected location obtained by correction processing to remove an error from the measured location corresponds, the first information indicating a correspondence relationship between each of the first ranges and each of the second ranges for each of arrangement patterns of the plurality of satellites, and identifying a second location by correcting the first location based on the identified second range.

Abstract: A tracking device is provided and includes a processing unit that is in communication with a networking unit and a memory unit. The memory unit has executable instructions stored thereon, which, when executed, cause the processing unit to control the networking unit to coarsely identify a region currently occupied by a tracked device and determine an accurate location of the tracked device responsive to a predefined event.

Abstract: A global positioning system (GPS) is provided and includes a processing system that is in communication with a network and memory. The memory has executable instructions stored thereon, which, when executed, cause the processing system to control the network to coarsely identify a region currently occupied by a tracked device and determine an accurate location of the tracked device responsive to a predefined event.

Abstract: A tracking device is provided and includes a processing unit that is in communication with a networking unit and a memory unit. The memory unit has executable instructions stored thereon, which, when executed, cause the processing unit to control the networking unit to coarsely identify a region currently occupied by a tracked device and determine an accurate location of the tracked device responsive to a predefined event.

Abstract: A method and a receiver apparatus allows obtaining accurate estimates of motion parameters of a mobile receiver, including smoothed estimates of total coordinates increments relative to its initial position, projections of velocity vector and acceleration vector. High estimation accuracy is achieved by filtering the biased or unbiased estimates of total coordinate increments relative to the receiver's initial position using smoothing tracking filters of a 2-nd or 3-rd order.

Abstract: A dosimetry device includes a first chamber formed on a substrate with a first decomposable barrier sensitive to radiation and a first chemical component. A second chamber is formed on the substrate in proximity of the first chamber and includes a second decomposable barrier sensitive to radiation and a second chemical component. Upon a radiation event, decomposition of the first and second barriers of the first and second chambers permits a mixing of the first and second chemical components to cause a visible change of the dosimetry device.

Abstract: A mobile radiography system has a moveable transport frame configured to travel across a floor. An adjustable support structure is coupled to the moveable transport frame and an x-ray source is coupled to the adjustable support structure. A power transmitter emits wireless power signals to a digital detector to charge a battery therein. Power signal receiving circuitry in the detector receives the wireless power signals to generate recharging current for the battery.

Abstract: A method for determining the nature of the radioelements present in an object and their activity comprises at least the following steps: a first phase of numerical simulation of spectrometric responses for an incident-energy set E and a measured-output-energy set E?, so as to obtain a simulated-data set, a second phase of non-parametric regression on the simulated data, non-parametric estimation of the quantity representing the joint probability of the triplets (E,E?,y) on the basis of simulated points (Ei,Ei?,yij) so as to deduce therefrom a meta-model S(E, E?) for any energy pair (E, E?) on a continuous function, on the basis of the meta-model S(E, E?), the determination of the nature and activity of the radioelements present in the object.

Abstract: A system for proton radiography that includes an accelerator pipe configured to direct protons to a scintillator configured to receive the protons from the accelerator pipe and in response thereto generate light emissions which form an image. A pellicle reflects the image from the scintillator to a lens assembly having a first end and a second end. The first end is configured to receive the image from the pellicle. The lens assembly includes a movable lens group which provides a variable magnification function to provide a magnified image from the lens assembly. A housing is configured to support the lens assembly and the housing includes a movable rail on which the movable lens group moves to achieve the zoom function. A camera is arranged at the second end of the lens group and is configured to receive and record the magnified image.

Abstract: The present disclosure provides a semiconductor detector. The semiconductor detector comprises: a detector crystal including a crystal body, an anode and a cathode; a field enhance electrode for applying a voltage to the detector crystal; an insulating material disposed between the field enhanced electrode and a surface of the detector crystal. The semiconductor detector further comprises a field enhanced electrode circuit board having a bottom connection layer in contact with the surface of the detector crystal and a top layer opposite to the bottom connection layer, wherein the top layer is connected to a high voltage input terminal of the semiconductor detector, and an insulating material is provided between the bottom connection layer and the detector surface of the detector crystal.

Abstract: A semiconductor may include a semiconductor detection material including a first side and a second side opposite to each other, a cathode disposed on the first side, and an anode disposed on the second side. The anode includes an array of pixel anodes defining detection pixels of the semiconductor detector, and intermediate anodes disposed between adjacent ones of the pixel anodes. According to an embodiment of the present disclosure, it is possible to achieve signal correction to improve the energy resolution and the signal-to-noise ratio of the detector.

Abstract: There is provided a radiation detector using SiC and of a structure in which an electric field is applied to the interior of the entire SiC crystal constituting a radiation sensible layer, aiming to detect radiation while suppressing a reduction in electric signals generated in the radiation sensible layer.

Abstract: The disclosure provides a detector, and a detecting system and method for dividing energy regions intelligently.

Abstract: A semiconductor detector and a packaging method thereof. The semiconductor detector includes: a cathode circuit board including a read out chip, a high voltage side top layer of the cathode circuit board, a bottom connection layer of the cathode circuit board and a dielectric filled between the high voltage side top layer and the bottom connection layer, wherein the high voltage side top layer is connected to the bottom connection layer through a via hole; and a detector crystal including a crystal body, an anode and a cathode, the anode is connected to the read out chip of the cathode circuit board, the high voltage side top layer is connected to an input terminal of the semiconductor detector and the bottom connection layer directly contacts the cathode of the detector crystal to connect the cathode to the cathode circuit board.

Abstract: A method for determining the position of a scintillation event in a radiation particle detector with multiple scintillator element locations which are configured to emit a burst of photons responsive to a radiation particle being absorbed at the scintillator element location and with a plurality of photosensors (5.1, 5.2, 5.3, 5.4) optically coupled to said scintillator element locations, comprising the steps of determining, for each of the photosensors (5.1, 5.2, 5.3, 5.4), a triggering probability indicative of the probability of said photosensor (5.1, 5.2, 5.3, 5.4) measuring a number of photons that exceeds a predetermined triggering threshold; measuring a photon distribution with the photosensors (5.1, 5.2, 5.3, 5.4) indicative of the number of photons incident on the individual photosensors (5.1, 5.2, 5.3, 5.

Abstract: A photodetector array readout and dynamic multiplexing method for reducing the overall channel count in a PET scanner system is disclosed. A PET system includes detector modules mounted on a ring-shaped gantry, each module including an array of M×N pixelated scintillators with photosensors attached to each pixelated scintillator on at least one of the top and the bottom surfaces. The multiplexer includes row and column summing, pulse shaping, and dynamic switching circuits multiplexing M×N inputs to a single output representing the energy and timing of the detected radiation. A position encoder is configured to receive outputs from the N+M summing circuits, and determine which pixelated scintillator had a gamma ray interaction. When photosensors are attached on both surfaces, the depth of interaction is determined as well based on the relative strength of the top and bottom surface readouts.

Abstract: The scintillation detector for the detection of ionising radiation, especially electron, X-ray or particle radiation, including a monocrystalline substrate (1), minimally one buffer layer (2), minimally one nitride semiconductor layer (3, 4, 5, 6) applied onto the substrate (1) with epitaxy which is described by the AlyInxGa1-x-yN general formula where 0?x?1, 0?y?1 and 0?x+y?1 is valid, where minimally two nitride semiconductor layers (3, 4) are arranged in a layered heterostructure, whose structure contains minimally one potential well for radiant recombinations of electrons and holes.

Abstract: The present disclosure provides an apparatus for processing signals for a plurality of energy regions, and a system and method for detecting radiation of a plurality of energy regions. The apparatus for processing signals for a plurality of energy regions may comprise: a first processor, configured to receive a signal from a detector and process the received signal to generate a gated signal, wherein a turn-on period of the gated signal represents magnitude of the received signal; and a second processor, configured to receive the gated signal from the first processor, and determine one of the plurality of energy regions to which the received signal belongs according to the turn-on period of the gated signal, so as to count signals within the determined energy region.

Abstract: An imaging system is provided that includes a gantry, plural radiation detector head assemblies, a cooling unit, and a manifold. The radiation detector head assemblies are disposed about a bore of the gantry. Each radiation detector head assembly includes a detector housing and a rotor assembly. The rotor assembly is configured to be rotated about an axis. The rotor assembly includes a detector unit that in turn includes an absorption member and associated processing circuitry. The cooling unit is mounted to the gantry and is configured to provide an output flow of air at a controlled temperature. The manifold is coupled to the cooling unit and the plural radiation detector head assemblies, and places the cooling unit and radiation detector head assemblies in fluid communication with each other. The output flow of air from the cooling unit is delivered to the plural radiation detector head assemblies.

Abstract: A front-end gear connects a streamer to a vessel. The front-end gear includes a lead-in that connects to the streamer, a first bend limiting element attached to the lead-in and to a float that floats at a sea surface, a second bend limiting element attached to the lead-in, a distance L away from the first bend limiting element, and a depressor attached to the second bend limiting element. The float generates a first force (F1) on the lead-in and the depressor generates a second force (F2) on the lead-in when the lead-in is towed underwater. The first and second forces act to apply a tension in a portion of the lead-in spanning the distance L, to reduce transversal noise propagation toward the streamer.

Abstract: A method for developing or maintaining a subterranean field includes: parameterizing seismic wave records for each identified seismic event to provide a parameter describing each seismic wave record used to identify each seismic event; generating a reference seismic event data base having the identified seismic events and the parameter; calculating a similarity value for new received seismic wave records with respect to each seismic event in the reference seismic event data base using the corresponding parameter to provide a plurality of similarity values; identifying a maximum similarity value from any of the similarity values in the plurality of similarity values that meets or exceeds a similarity threshold value; identifying a new seismic event at a location of the seismic event in the reference seismic event data base corresponding to the maximum similarity value; and modifying operation of subterranean field-related equipment in response to identifying the new seismic event.

Abstract: A method is described for time-lapse seismic imaging that may include detecting moire patterns in seismic images generated from time-lapse seismic data and identifying geologic features based on the moire patterns. The method may be executed by a computer system.

Abstract: A method for processing seismic data includes obtaining a velocity model, determining a critical angle for an interface represented in the velocity model based on a ratio between velocity of the seismic wave on first and second sides of the interface, determining an orientation of a normal vector extending normal to a location of the interface, determining an orientation of an arrival direction vector of a wavefield at the location of the interface, calculating an angle between the normal vector and the arrival direction vector, determining that the angle between the normal vector and the arrival direction vector is greater than the critical angle at the location, and attenuating the wavefield associated with the location in response to determining that the angle between the normal vector and the arrival direction vector is greater than the critical angle at the location.

Abstract: A method is described for seismic imaging that may include receiving a partially flattened seismic image representative of a subsurface volume of interest; detecting moire patterns in the partially flattened seismic image; quantitatively characterizing the moire patterns; calculating flattening corrections based on the quantitatively characterized moire patterns; applying the flattening corrections to the partially flattened seismic image to generated a new flattened seismic image; and identifying geologic features based on the new flattened seismic image. The method may be executed by a computer system.

Abstract: A system or a method for seismic imaging, comprising: selecting an input seismic dataset that samples a subsurface region of interest, migrating said seismic dataset to generate a set of partial images using a processor, generating a set of aligned partial images by focusing said partial images using shifts generated on Vector Offset Gathers as an intermediate step, stacking said partial images to generate an improved image of the subsurface.

Abstract: A method can include selecting a location associated with a seismic survey geometry; selecting a trace for the location where the trace is selected from one of a plurality of different types of traces that include real data traces, interpolated data traces and model data traces; generating a multiple model based at least in part on the selected trace; and adjusting seismic data based at least in part on the multiple model.

Abstract: Methods are disclosed for sensing acoustic waves in a medium. One example includes a first elongated member, a first motion sensor sensitive to vibrations of the first elongated member, a second motion sensor spaced apart from the first motion sensor and also sensitive to vibrations of the first elongated member, and a first vibration source operably coupled to the first elongated member and configured to vibrate the first elongated member.

Abstract: A capacitive proximity sensor may include a proximity sensing capacitor to provide a voltage output based on a voltage input, the capacitor including a ground plane and an electrode loop capacitively coupled to the ground plane. The proximity sensor may include a processor to detect an object proximity based on a change in the voltage output. This proximity sensor provides automated detection of a person, and thereby reduces the need for a vehicle occupant or child caregiver to activate a sensor by pressing a button. The use of a capacitance-based proximity sensor reduces issues associated with fabric, clothing, or other materials separating the proximity sensor from a person.

Abstract: Methods and apparatus for determining at least one parameter of interest of an earth formation. Methods include using at least one transmitter to initiate at a single location in the formation a first electromagnetic signal at a first frequency and a second electromagnetic signal at a second frequency different than the first frequency for propagation through the formation; receiving the first electromagnetic signal propagating through the formation and the second electromagnetic signal propagating through the formation at a single receiver non-collocated with the at least one transmitter; estimating a relative phase shift of the second electromagnetic signal relative to the first electromagnetic signal; estimating a relative attenuation of the second electromagnetic signal relative to the first electromagnetic signal; using the relative attenuation and the relative phase shift to estimate a parameter of interest of the formation. The receiver may be unsynchronized with respect to the transmitter.

Abstract: A method for estimating one or more properties as a function of depth of an earth formation penetrated by a borehole includes: receiving nuclear magnetic resonance (NMR) logging data having NMR echo trains as a function of depth in the borehole; receiving non-NMR logging data having non-NMR measurement values for one or more types of non-NMR measurements as a function of depth in the borehole; generating an evolution matrix (E) representing a mathematical relationship between the one or more properties in property matrix (P) to be estimated and the NMR logging data and non-NMR logging data matrix (M); generating a matrix equation of the form M=E·P; and inverting the matrix equation to estimate the one or more properties as a function of depth.

Abstract: The present application relates to a container inspection system, comprising a radiation source (31), a radiation detection apparatus and a quay crane for hoisting a container onto an automated guided vehicle, said radiation source (31) and said radiation detection apparatus being provided on said quay crane, for performing a scanning inspection on said container loaded on said vehicle. The present application, which does not need a special allocation of approach of the radiation source and the radiation detection apparatus, conveniently effectuates scanning inspection of a container, and improving the inspection efficiency.

Abstract: A method for correcting natural gamma ray measurements includes processing an acquired gamma ray spectrum in combination with elemental standard spectra and at least one standard mud activation spectrum to compute corrected natural gamma ray measurements. The gamma ray spectrum is acquired using a logging string employing a neutron source and a natural gamma ray sensor.

Abstract: The present invention relates to an evaluation method of glacier storage variation based on basin water-balance principle, including the following steps: (1) selecting a basin where glaciers exist wherein a hydrological station control cross-section is regarded as a basin outlet; (2) obtaining a precipitation, an evaporation and a soil water storage variation within a range of the basin during a predetermined period respectively; (3) obtaining a flow data monitored by hydrological stations at the basin outlet during a predetermined period and calculating runoff; and (4) calculating the glacier storage variation at the basin scale based on basin water-balance principle, according to the precipitation, the evaporation, the soil water storage variation and the runoff. It is significant to the researches on climate change, disaster prevention and mitigation.

Abstract: Aggregating and transforming data, and performing analytics thereupon, for application-specific optimization based on multiple data sources. The data is preferably ingressed automatically, and may originate from various public and/or private data sources. Data transformation preferably aligns the data aggregated from the various sources, to thereby allow meaningful referencing. Complex and non-aligned data can therefore be consolidated, such that it is readily digestible by simulation (or other) software. In an embodiment, risk of flooding for a supply chain is computed from the aggregated and transformed data, using data analytics based on physical computation for flood risk assessment, allowing the supply chain to be optimized with regard to threat of flooding and/or actual flooding. In another embodiment, risk of wild fire may be assessed. Other types of risk may also be assessed.

Abstract: Aggregating and transforming data, and performing analytics thereupon, for application-specific optimization based on multiple data sources. The data is preferably ingressed automatically, and may originate from various public and/or private data sources. Data transformation preferably aligns the data aggregated from the various sources, to thereby allow meaningful referencing. Complex and non-aligned data can therefore be consolidated, such that it is readily digestible by simulation (or other) software. In an embodiment, risk of flooding for a supply chain is computed from the aggregated and transformed data, using data analytics based on physical computation for flood risk assessment, allowing the supply chain to be optimized with regard to threat of flooding and/or actual flooding. In another embodiment, risk of wild fire may be assessed. Other types of risk may also be assessed.

Abstract: An acoustic disdrometer is provided for measuring precipitation. The acoustic disdrometer has an acoustic transducer positioned within an acoustic chamber defined by an acoustic shell. Precipitation impacting the acoustic shell generates sound waves that are collected by the acoustic transducer for processing.

Abstract: A lanthanum fluoride single crystal wherein an alkaline earth metal is added to the lanthanum fluoride single crystal, and internal transmittance of light at 9.3 ?m in wavelength is no less than 85%/mm. The lanthanum fluoride single crystal and an optical component which have high transparency in an infrared region, and can be preferably used for phase plates for lasers, lenses and optical window materials for laser beam machines, gas detectors, flame detectors, infrared cameras, and so on, etc. are provided.

Abstract: Disclosed are apparatus and methods for plasma processing on optical surfaces for anti-reflection (AR) treatments. The present disclosure enables efficient AR treatments and high performance of optical characters of materials having such AR coating. Narrow Gap Plasma Etching and Hollow Cathode Plasma Etching processes are disclosed according to some embodiment of the present invention. In some embodiments, the apparatus and methods are in combination of DC Bias Control to control physical (ion) bombardment and environment of the chamber (pressure and electric power) more closely, thus to control the processing more effectively.

Abstract: A semiconductor apparatus including a wafer base with a top side and a bottom side, a silver base with a top side and a bottom side, wherein the bottom side of the silver base is attached to the top side of the wafer base and wherein the silver base provides a reflective surface, and an aluminum nitride protective layer attached to the top side of the silver base, wherein the aluminum nitride protective layer shields the silver base from the environment.

Abstract: The present invention provides a textured polymer substrate comprising nano-sized surface features that are arranged in a single array or in a hierarchical array, and at least one layer of an amorphous, hydrophilic layer deposited thereon. The disclosed textured polymer substrate is advantageously suited for providing anti-reflective, anti-fogging and anti-UV materials.

Abstract: The present invention discloses an optical assembly. The optical assembly comprises: a first optical film comprising a first surface; an adhesive disposed on the first surface of the first optical film; and a second optical film comprising a second surface, wherein the second surface of the second optical film comprises a plurality of microstructures, wherein the plurality of microstructures are bonded to the adhesive; wherein the adhesive is made of a first material and the plurality of microstructures are made of a second material, wherein the hydrophilic/hydrophobic characteristic of the first material is configured with respect to the hydrophilic/hydrophobic characteristic of the second material such that the adhesive force between the adhesive and the plurality of microstructures of the second optical film is greater than 100 g/25 mm and the optical gain of the optical assembly is greater than 1.5.

Abstract: A prism unit includes a first prism and a second prism. The first prism includes a first optical surface that allows the illumination light to enter the prism, a second optical surface that reflects the illumination light that entered through the first optical surface, and a third optical surface that allows the illumination light reflected by the second optical surface to exit the prism. The second prism includes a fourth optical surface that forms a first air gap with the second optical surface and allows the illumination light that exited through the second optical surface to enter the prism, and a fifth optical surface that allows the illumination light that entered through the fourth optical surface to exit the prism.

Abstract: A light directing film includes a structured major surface with a plurality of microstructures extending along a first direction. Each microstructure has a first region and a second region different from the first region, a substantially constant height in the first region and a non-constant maximum height in the second region greater than the substantially constant height in the first region, and a same lateral cross sectional shape in the first region and the second region.

Abstract: The present disclosure relates to camouflaged systems and related camouflaging methods. The camouflaged systems can include at least one camouflaged object, including but not limited to transmission lines and transmission towers. One or more surfaces of the camouflaged object can be configured to appear like (e.g., match, mimic, simulate, correspond to, or otherwise blend with) an environmental condition, which can include any variety of background environmental landscapes. For example, one or more surfaces of the camouflaged object can be painted, coated, or imparted with a texture such that they reflect light in a way that corresponds to any particular environmental condition.

Abstract: A head-mounted display including a first optical system is provided. The first optical system includes an image surface, a stop surface, a first optical stack disposed between the image surface and the stop surface and a second optical stack disposed between the first optical stack and the stop surface. The first optical stack includes a first optical lens and a partial reflector. The second optical stack includes a second optical lens and a curved multilayer reflective polarizer. A quarter wave retarder is disposed between the multilayer reflective polarizer and the partial reflector. The multilayer reflective polarizer and the partial reflector may be convex toward the image surface along orthogonal first and second axes.

Abstract: A method of manufacturing a waveguide having a combination of a binary grating structure and a blazed grating structure includes cutting a substrate off-axis, depositing a first layer on the substrate, and depositing a resist layer on the first layer. The resist layer includes a pattern. The method also includes etching the first layer in the pattern using the resist layer as a mask. The pattern includes a first region and a second region. The method further includes creating the binary grating structure in the substrate in the second region and creating the blazed grating structure in the substrate in the first region.

Abstract: An electronic device includes a housing that includes a first surface, a second surface, and a side surface, a display exposed through a first region of the first surface, an optical module disposed below a second region of the first surface that is adjacent to the first region of the first surface, and a processor. The first surface includes a glass layer, a film layer disposed under a rear surface of the glass layer and including an opening that overlaps at least part of the optical module and has a dimension corresponding to at least part of the optical module, and a visible-light-absorbing member comprising a visible-light-absorbing material disposed under the rear surface of the glass layer and overlapping at least part of the opening. The visible-light-absorbing member is configured to light in a first wavelength range and to allow light in a second wavelength range to pass through the visible-light-absorbing member.