43 results about "Active array" patented technology

The invention discloses a W-band two-dimensional DBF microsystem based on an AiP technology, and belongs to the technical field of packaging antennas, the W-band two-dimensional DBF microsystem comprises an active array antenna module for realizing transceiving and frequency conversion of W-band signals, the active array antenna module is provided with a plurality of antenna units, and each antenna unit corresponds to a signal processing channel; the radio frequency direct acquisition transceiver module is used for multi-channel parallel sampling and transmitting and completing conversion between an analog radio frequency signal and a digital baseband signal; the digital beam former module is used for carrying out weighting, phase correction and delay control on each channel signal output by the radio frequency direct acquisition transceiver module so as to realize two-dimensional digital beam forming; and the active array antenna module, the radio frequency direct acquisition transceiver module and the digital beam former module are independently integrated on the integrated module to realize integral packaging. According to the invention, deep fusion of the AiP module and the DBF module is realized under the W-band condition.

Content-addressable memory-in-display (CAMiD) electronic displays and circuitry are provided. An electronic display may include a pixel active array and content-addressable control cells to control display pixels of the pixel active array using control signals propagated to the pixel active array on column lines by column driver circuits of the content-addressable control cells.

The invention discloses a single-chip tactile or stress sensing active array and application thereof, and belongs to the field of chip application, the single-chip tactile or stress sensing active array comprises a single chip, the chip is provided with a stress sensing unit, the stress sensing unit is used for sensing stress changes and converting the stress changes into digital signals through an ADC, and the digital signals are output through a digital port of the chip; the circuit connection element has a circuit connection function and is used for realizing circuit connection; a plurality of chips form a chip array which is welded on the first surface of the circuit connecting element. The active array further comprises a reinforcing plate and a flexible covering layer, the reinforcing plate is located on the second face of the circuit connecting element, and the flexible covering layer covers the chip array and is used for sensing a stress field. When a finger touches the flexible covering layer, stress can be generated on the chip, signals are led out through the circuit connecting element and processed to perceive touch sense, each node in the chip array completes signal digitization on the single chip in the node, and signal interference caused by a lead is avoided.

This application provides an active array radar with modular antenna array elements, including a support assembly and an antenna assembly. The support assembly includes a base and a support member mounted on the base, the support member being rotatably connected to the base; the antenna assembly includes a first antenna module and a second antenna module, the first antenna module being located at the end of the support member away from the base, and the second antenna module being located on the support member and below the first antenna in the vertical direction; the second antenna module includes a first scanning module and a second scanning module disposed opposite to the first scanning module, the ends of the first and second scanning modules away from the support member respectively having a first scanning surface and a second scanning surface, both the first and second scanning surfaces being arranged in a mesh pattern. The array radar provided above reduces the equivalent windward area and the probability of water film formation through the mesh scanning surface, significantly reducing wind load and icing burden, and minimizing aperture deformation in strong wind, rain / salt spray environments.

The application relates to a W-band digital active antenna array, which comprises a millimeter wave subarray plate, a bottom plate and a signal processing unit; the millimeter wave subarray plate comprises a multi-channel patch antenna array and an active circuit, the active circuit comprises a W-band TR chip and an up-down conversion chip; the bottom plate comprises a low-frequency connector, a secondary power supply and corresponding local oscillation and intermediate frequency interfaces; a radio frequency input signal is input through the interface of the bottom plate, is transferred to the millimeter wave subarray plate, is input into the conversion chip to realize up-down conversion, finally is input through the TR chip and the antenna array to realize W-band signal transceiving; the low-frequency interface of the bottom plate is connected with the signal processing unit, and control and power supply signals generated by the signal processing unit are connected to the millimeter wave subarray plate after passing through the bottom plate. The application designs a miniaturized W-band digital active array. Meanwhile, an extensible active subarray design concept is adopted, the combination of millimeter wave subarrays with different numbers is adopted, and the requirement of the number of array channels in different scenes is met.

Content-addressable memory-in-display (CAMiD) electronic displays and circuitry are provided. An electronic display may include a pixel active array and a number of content-addressable control cells. Each control cell controls a respective display pixel of the pixel active array. Each control cell includes a comparator to generate a control signal to control the respective display pixel of the pixel active array based on a comparison between pixel data for the respective display pixel and one or more counters corresponding to a gray level.

The invention relates to the technical field of electromagnetic environment effect testing, and discloses a phased array multifunctional electromagnetic environment effect testing system and a calibration method thereof.The system comprises an active array plane, a comprehensive processing extension set, a comprehensive frequency source extension set, an external feed source combination, a superheterodyne receiver and a digital acquisition extension set; wherein the active array plane is provided with a plurality of minimum sub-arrays, each minimum sub-array is composed of at least one active channel and a corresponding radiation antenna unit, and each minimum sub-array is used for receiving one excitation signal to complete power amplification and radiation synthesis; and the path number of the independent excitation signals generated by the comprehensive frequency source extension set corresponds to the number of the minimum subarrays. The calibration method comprises darkroom plane near-field calibration, external feed source combination calibration and active array plane calibration before working. The system and the method provided by the invention have the advantages of relatively strong accurate construction capability of a complex electromagnetic environment, extremely high test flexibility, multi-beam coordination and high-precision full-link calibration, and stable and reliable operation.

The present application relates to electromagnetic environment effect test technical field, disclose a kind of phased array multifunctional electromagnetic environment effect test system and its calibration method, system includes active array surface and comprehensive processing extension, comprehensive frequency source extension, external feed source combination, superheterodyne receiver and digital acquisition extension;Wherein: active array surface has dry minimum subarray, each minimum subarray is formed by at least one active channel and corresponding radiating antenna unit, each minimum subarray is used to receive one way excitation signal to complete power amplification and radiate synthesis;And the number of independent excitation signal generated by comprehensive frequency source extension corresponds with the number of minimum subarray.The calibration method includes darkroom planar near-field calibration, external feed source combination calibration and active array surface calibration before work.The system and method of the present application have strong accurate construction ability of complex electromagnetic environment, extremely high test flexibility, multi-beam coordination and high-precision full-link calibration, stable and reliable operation.

The invention discloses a same-frequency homogeneous and heterogeneous array antenna with overlapped airspaces, which is used for solving the problems of redundant scale and high cost of the traditional homogeneous array antenna in a multifunctional integrated system. At least two array antennas with the same working frequency, the same polarization mode, the same material and the same antenna form are adopted for the same-frequency homogeneous heterogeneous array antenna, but the unit spacing and the airspace coverage range are different. The array antennas are arranged in a common-aperture tight axial symmetry mode, the array with the largest airspace coverage is located in the center area, and the array antennas in the working state are determined according to the scanning range. Through cooperation of the heterogeneous units matched in the airspace, the synthesis gain is remarkably improved; under the same physical aperture, compared with a traditional isomorphic array, the number of units is reduced, and the system cost, complexity and weight are greatly reduced.

This application relates to image sensors with dielectric relaxation correction circuitry. Some image sensors include pixels with capacitors. The capacitors can be used to store charge in the imaging pixels prior to readout. The capacitors can be metal-insulator-metal (MIM) capacitors that are susceptible to dielectric relaxation. Dielectric relaxation can cause a lag in the signal on the capacitor, which affects the signal on the capacitor during sampling. The image sensor can include dielectric relaxation correction circuitry that corrects for dielectric relaxation using a linear relationship between voltage stress and lagged signal. The image sensor can include a shield pixel that operates using a similar timing scheme as the imaging pixels in the active array. Measured lagged signals from the shield pixel can be used to correct the imaging data.

The application belongs to the technical field of 6G communication, and particularly relates to a hierarchical codebook design method based on a cascaded channel. The application defines a cascaded channel direction by combining an incident direction and a reflection direction, and one cascaded channel direction may correspond to multiple groups of incident-reflection directions; the cascaded channel direction defined in this way realizes a hierarchical codebook; the hierarchical codebook can be used for beam search in a single-user static scene, and can also be used in an analog beamforming scene of an active array to solve hierarchical codebook design based on a constant modulus constraint; unlike a traditional hierarchical codebook design which needs to know the array size in advance, the hierarchical codebook proposed in the application can be applied to any size of array. The application has more universality and application flexibility, and effectively solves the problem of too long beam search time of an intelligent reflecting surface. The codebook can be used on any size of array, and when the number of arrays increases, the codebook can be directly used without changing the codebook, and the larger the array, the better the performance of the codebook.

A wireless power relay includes, in part, a multitude of receive antennas adapted to receive a beam of radio frequency (RF) signals generated and transmitted by an active array transmitter that generates the beam of RF signals from sunlight. The wireless power relay further includes, in part, a multitude of transmit antennas, and a multitude of phase shifters. Each phase shifter is associated with one of the multitude of receive and transmit antennas and is adapted to shift a phase of an RF signal received by the associated receive antenna such that the multitude of RF signals transmitted by the multitude of transmit antennas are directed to an array of rectennas.

A wireless power relay includes, in part, a multitude of receive antennas adapted to receive a beam of radio frequency (RF) signals generated and transmitted by an active array transmitter that generates the beam of RF signals from sunlight. The wireless power relay further includes, in part, a multitude of transmit antennas, and a multitude of phase shifters. Each phase shifter is associated with one of the multitude of receive and transmit antennas and is adapted to shift a phase of an RF signal received by the associated receive antenna such that the multitude of RF signals transmitted by the multitude of transmit antennas are directed to an array of rectennas.

The invention discloses a method for realizing dual-polarization phased array weather radar target simulation by using a digital receiver, and relates to the technical field of radar signal processing. According to the method for realizing dual-polarization phased array weather radar target simulation by utilizing the digital receiver, a weather target micro-physical parameter model is established, abundant FPGA resources in the phased array radar digital receiver are combined, and a similar direct digital frequency synthesis (DDS) technology is utilized, so that a high-fidelity digital intermediate frequency echo signal is generated; dynamic target simulation is realized in an active array digital receiver of a phased array radar. Controllable and repeatable simulation of various weather phenomena (rain, snow, hail and the like) can be realized in a laboratory environment. Under the condition of not depending on external hardware, echo characteristics of weather targets (such as rainfall particles), including parameters such as distance, speed, amplitude and dual-polarization parameter quantity, are simulated, and debugging, performance verification and algorithm testing of a radar system are effectively supported.

The invention discloses a pixel circuit and an active array. The pixel circuit comprises a storage capacitor, a charging circuit and an output circuit. The charging circuit is coupled with the first end and the second end of the storage capacitor so as to periodically change the potential of the first end and the second end of the storage capacitor to maintain the storage voltage. The output circuit is coupled between the first system voltage and the second system voltage, and receives the potentials of the first end and the second end from the storage capacitor so as to output the first system voltage or the second system voltage. The output circuit includes an output transistor, a first terminal of which outputs a first system voltage in response to a change in potential of a first terminal of the storage capacitor, or outputs a second system voltage in response to a change in potential of a second terminal of the storage capacitor, a second terminal of which is coupled to the second system voltage, and a control terminal of which is coupled to the second terminal of the storage capacitor, therefore, the voltage of the control end of the output transistor is stabilized.

The application provides a flash memory structure and a flash memory, which comprise a plurality of active array regions and a tip region between adjacent active array regions. In a horizontal direction, a source line layer in the tip region has a U-shaped structure, and an opening of the U-shaped structure faces a word line contact hole. Through the U-shaped structure design, an area where the word line layer is connected to the word line contact hole is away from the source line layer, so that there is a sufficient process window to prevent the word line contact hole from being short-circuited with the source line layer.

Embodiments disclosed herein provide systems and methods for testing and repairing various aspects of an electronic display. The electronic display includes a reference array and an active array. The electronic display also includes test circuitry for testing individual pixels or any combination of pixels of the electronic display. Switches can be disposed between the pixels and the test circuitry to repair various components of the electronic display.

A gaming system comprises game-logic circuitry and a display device configured to display an active array of symbol positions. The game-logic circuitry establishes award levels having respective awards and respective array sizes and establishes a predefined path defining progression through the award levels. The display device selectively populates the active array with symbols through one or more game cycle outcomes, updates, in response to detecting a branching condition within the game cycle outcomes, the predefined path to a modified path such that progression from the first award level is altered from a second award level to a third award level, and, in response to progressing from the first award level to the third award level based on the modified path: (i) modifies the active array to the array size of the third award level, and (ii) repeats the selective population for one or more additional game cycle outcomes.

The present disclosure provides a thermal management system for a satellite. The system may include a plurality of photovoltaic cells configured to generate electrical power, an active array antenna including transmit-receive (T / R) modules with power amplifiers, a thermal core thermally coupled to the photovoltaic cells and antenna, and a phase-change material (PCM) element disposed within the thermal core and thermally coupled to the T / R modules. The thermal core may be configured to spread heat across the satellite. One or more of the photovoltaic cells may be configured to radiate heat generated by the T / R modules. The system may enable efficient thermal management in a compact satellite design by utilizing the photovoltaic cells as radiative surfaces and incorporating the PCM element to stabilize temperature fluctuations.

The application discloses a multi-target interference and background simulation device for communication signals, which comprises a power division phase shift network and an active array system; the reconnaissance guiding device is used for detecting and receiving target signals and sending the target signals to a host computer; the host computer controls a signal simulation source to generate multiple communication interference signals and background signals according to parameter information of the target signals; the signal simulation source generates electronic interference signals or background signals, which are processed by a switch gating network and the power division phase shift network, and then are emitted by the active array system; the active array system comprises multiple subarray antennas; each subarray antenna is separately provided with a phased array transmitter and a signal simulation source; the signal simulation source generates electronic interference signals or background signals, which are sent to the subarray antenna by the phased array transmitter; interference signals or background signals are simultaneously constructed for multiple targets; the device can better simulate a complex environment with different intensities and magnitudes of multiple signals, and meets the test requirements of multiple test devices.

The invention relates to a method for elaborating (1) and deploying (2) an improved configuration (Rc) of an active array of sonobuoys in a geographical space divided into a grid of boxes, wherein: • the improved configuration is determined (1) iteratively; and • the improved configuration (Rc) is deployed (2).

The application discloses a kind of MXene-based supercapacitor materials and preparation method thereof, belong to supercapacitor electrode material technical field, by directional growth cobalt-based nanoarray on the surface of porous carbon foam, then utilize polyaniline and polymerize on the surface of MXene powder, again utilize electrostatic self-assembly and form multilayer three-dimensional network composite structure, porous carbon foam is rigid skeleton, cobalt-based nanoarray is active array unit, polyaniline / MXene core-shell nanosheet is functional coating, three synergies play a role, relieve volume expansion effect;The porous carbon foam of the application is as primary buffer unit, accommodate the overall volume expansion of cobalt-based nanoarray, avoid structure collapse, the gap between cobalt-based nanoarray each other, as secondary buffer unit, disperse the expansion stress of cobalt-based particle, MXene interlayer gap can be as tertiary buffer unit, accommodate the volume change caused in polyaniline redox process, simultaneously release stress by interlayer sliding.

The invention belongs to the technical field of radar digital signal processing, and particularly relates to a GPGPU accelerated cancellation method for radar sidelobe interference based on an auxiliary channel. Aiming at the problem that an active array radar is easily influenced by sidelobe interference in a complex electromagnetic environment, the invention provides a sidelobe interference cancellation method based on an auxiliary channel structure, and efficient parallel acceleration is realized in combination with a GPGPU (General Purpose Graphics Processing Unit) so as to support real-time adaptive interference suppression of radar echo signals under multi-channel configuration. According to the method, the data dependency relationship of the multi-channel interference cancellation algorithm is deeply analyzed, the key calculation links are subjected to fine-grained parallel reconstruction, the large-scale parallel calculation potential of the GPGPU is fully excavated, and the processing throughput capacity is remarkably improved. Under the condition that GPGPU video memory resources are allowed, the method can be expanded to continuous interference suppression processing in a multi-pulse accumulation scene, and the real-time requirement of a modern radar system for continuous, stable and high-speed signal processing in a high-intensity interference environment is met.

Content-addressable memory-in-display (CAMiD) electronic displays and circuitry are provided. An electronic display may include a pixel active array to display an image frame over a series of subframes content-addressable control circuitry. The content-addressable control circuitry may control the pixel active array. The content-addressable control circuitry may include circuitry to perform subframe dithering to generate control signals to control the display pixels of the pixel active array. The control signals may correspond to different gray levels for different subframes of the series of subframes of the image frame to be displayed on the pixel active array.

The present disclosure relates to a semiconductor structure and a method for forming the same. The semiconductor structure includes: a substrate; an active array located on the substrate, including a plurality of active pillars spaced apart along a first direction and a second direction, wherein the first direction intersects the second direction; a bitline structure located on the substrate, including a plurality of bitlines spaced apart along the second direction, wherein the bitlines extend along the first direction and are electrically connected to the plurality of active pillars spaced apart along the first direction; an isolation structure located below the bitlines, including an isolation layer and an air gap located in the isolation layer, wherein the resistivity of the isolation layer is greater than the resistivity of the substrate. The present disclosure enhances the electrical isolation effect between adjacent bitlines, thereby reducing leakage problems between adjacent bitlines.

The invention discloses a multi-beam array based on an active multi-beam forming network and a construction method thereof. The active multi-beam forming network comprises m input ports and n output ports, wherein n is greater than or equal to m; an m * m passive full connection network; n phase shifters; and m or n amplifiers; and each output port is connected with one phase shifter. By constructing a plurality of active array sub-modules comprising the network and synthesizing a plurality of independent and controllable high-gain beams by using a combiner, multi-beam concurrence can be realized and each beam can obtain full-aperture gain on the premise of not obviously increasing the complexity and power consumption of the system. Besides, by controlling the phase shifter in the active multi-beam forming network, amplifier calibration, sub-region beam scanning and focusing and sequential rotation circular polarization feeding can be realized, and the performance and flexibility of the array are remarkably improved. The invention is suitable for 5G / 6G millimeter wave communication systems, satellite communication systems, radar imaging systems and the like.

The invention relates to the technical field of mobile communication antennas, and discloses a 5G base station antenna communication system based on multi-band beam forming, and the 5G base station antenna communication system based on multi-band beam forming comprises a high-band active array, a low-band scattering array, a tunable terminal module and a cooperative beam control module. The tunable terminal module is connected with the low-frequency array radio frequency port so as to adjust impedance characteristics; the cooperative beam control module jointly solves an optimal high-frequency excitation weight and a low-frequency load state based on a parameterized cross-frequency-band scattering model, dynamically reconstructs a secondary scattering field by changing port impedance, and enables the secondary scattering field and a direct radiation field to perform coherent vector superposition, thereby forming a communication beam for suppressing grating lobes. According to the invention, active scattering of a low-frequency structure is utilized to cooperate with high-frequency radiation, grating lobe interference is effectively suppressed, and the beam coverage quality of 5G base station antenna communication based on multi-band beam forming is improved.

The application discloses a kind of measuring device and method of satellite load active array, belong to satellite internet and 6G non-ground network test technical field.Device includes microwave darkroom, rotary table, multiple probe scanning frame and amplitude and phase controllable synthetic array.Satellite load active array to be measured is placed on rotary table, and radiation aperture is towards upwards;Multiple probe scanning frame is located above rotary table, and multiple antenna probes simultaneously collect near-field signal, and far-field pattern is obtained by near-far field conversion;Amplitude and phase controllable synthetic array is composed of amplitude and phase independently adjustable antenna unit, can be moved into above rotary table, and the electromagnetic wave of setting wave front is synthesized in the quiet zone covering the aperture of array to be measured, or each unit received signal is weighted and synthesized, to complete receiving directional diagram, transmit-receive frequency index, dynamic scene and system level performance measurement.The application shortens measurement distance, and measurement efficiency is improved by one to two orders of magnitude compared with single probe scanning, and flat installation reduces engineering difficulty, supports active array air interface measurement of no feed interface.

The invention discloses a three-dimensional omni-directional transmitting device for acoustic vortex signals, which comprises an acoustic phased array circuit, a planar fan-shaped transducer array, a lower-layer gradient lens, a middle-layer synthesis lens and an upper-layer focusing lens, and is characterized in that an active array phase control method and a passive lens phase modulation method are combined, and a cascade lens design is adopted, so that the three-dimensional omni-directional transmitting device for the acoustic vortex signals is realized. Acoustic waves can be gathered at any position in a three-dimensional space, and acoustic vortex signals with controllable topological charges are generated at any position in the radial direction and the angular direction by means of relative rotation of the lower-layer gradient lens and the middle-layer composite lens. And by utilizing the relative rotation of the middle-layer synthesis lens and the upper-layer focusing lens, an acoustic vortex signal with controllable topological charge is further generated at any position in a three-dimensional space. According to the method, the acoustic vortex signal can be generated quickly and conveniently, so that better signal transmission performance can be provided in acoustic vortex engineering, and the method has obvious advantages in the aspects of complex sound field regulation and flexibility.

The utility model discloses a transverse wave dry coupling point contact active array probe, which comprises a shell, a circuit interface board, a bottom cover, a plurality of probe upper sleeves and a plurality of single probes, the shell is provided with an inner cavity with a downward opening, and the circuit interface board is arranged in the inner cavity of the shell; the bottom cover is mounted at the bottom of the shell and covers the opening, a plurality of mounting holes arranged in a rectangular array are formed in the bottom cover, and the mounting holes, the probe upper sleeves and the monomer probes are the same in number and correspond to one another; the probe upper sleeves are mounted on the corresponding mounting holes, and the monomer probes are arranged on the probe upper sleeves in a manner of moving up and down respectively; the signal output end of the single probe is electrically connected with the corresponding signal input end of the circuit interface board; the single probe adopts a transverse wave dry coupling point contact probe. The transverse wave dry coupling point contact active array probe can be in contact with an uneven concrete surface for detection, is high in adaptability, and can realize 3D full-focusing imaging detection of internal defects of concrete.