65 results about "Active array" patented technology

The present invention discloses a general-purpose low-profile active array antenna system, which includes an antenna module, a multi-functional structural frame, a power divider module, a beam control module, a radio frequency connector, and a low-frequency connector. The multi-functional structural frame includes at least two cavities, and the partition between the two cavities includes a plurality of radio frequency connection holes and a plurality of low-frequency connection holes. The antenna module is connected to one of the cavities, the power divider module and the beam control module are connected to the other cavity. The radio frequency connector is located in the radio frequency connection hole, and the radio frequency connector connects the antenna module and the power divider module. The low-frequency connector is located in the low-frequency connection hole, and the low-frequency connector connects the antenna module and the beam control module. The beneficial effects of the present invention are as follows: the system composition is simplified, which is beneficial to the generalization, serialization, and standardization design of modules, and is more conducive to the realization of low-cost design of active array antennas.

A multi-beam charged particle system and a method of operating a multi-beam charged particle system can provide improved image contrast. The multi-beam charged particle system comprises a filter element or an active array element in a detection system, which can provide improved, anisotropic image contrast. The disclosure can be applied for applications of multi-beam charged particle system, where higher desired beam uniformity and throughput may be relevant.

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.

An image sensor according to an embodiment of the present disclosure includes: a first substrate including a logic region, a pad region, and a pixel region including an active array region and a dummy array region disposed around the active array region, the active array region and the dummy array region are provided with a plurality of photoelectric conversion layers; a deep trench disposed in the first substrate in the dummy array region; a plurality of shallow trenches disposed in the first substrate in the logic region; a heat dissipation pad disposed in the pad region; and a metal pattern filled in the deep trench and disposed on the first substrate in the dummy array region and the logic region.

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.

The present invention discloses an active array composite muffler, comprising an array muffler and an active muffler system. The array muffler comprises a plurality of muffler columns arranged in an array. The active muffler system comprises a controller, a reference sensor adjacent to the array muffler inlet, a secondary speaker embedded within the muffler columns, and an error sensor adjacent to the array muffler outlet. The array muffler and the active muffler system are integrated together in a segmented or non-segmented composite manner. By combining active muffler technology with a traditional array muffler, the present invention overcomes the limitations of traditional passive mufflers in their poor low-frequency noise control, effectively improving the muffler's low-frequency noise reduction and achieving broadband muffler performance.

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.

The present invention relates to the field of array correction technology, and in particular to a method for correcting an active array of an underwater transducer based on array symmetry, comprising the following steps: S1: experimental preparation; S2: first round of data acquisition; S3: second round of data acquisition; S4: error parameter optimization; and S5: result verification. In this solution, a sound field distribution matching constraint is constructed through the rotational symmetry of the array. When the array is rotated to a symmetrical position, the influence of reverberation on the sound field distribution remains consistent, so calibration can be achieved without far-field or reverberation-free conditions. The present invention utilizes this unchanged or minimized sound field distribution difference to calculate error parameters. Compared with traditional methods, the present invention eliminates reverberation interference through symmetry constraints, significantly improving the feasibility of calibration in underwater environments.

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 present invention discloses a "sandwich" active array antenna system architecture in the field of antennas, comprising a ceramic active antenna board, a ceramic wave control board, and a metal heat dissipation cold plate. The ceramic active antenna board has an antenna mounted on its top surface, an active transceiver circuit and a feed network arranged internally, and a plurality of interface pads for port connections arranged on its bottom. The bottoms of the ceramic active antenna board and the ceramic wave control board are each mounted with a plurality of chips, and the ceramic wave control board has a beam control circuit and a secondary power supply circuit arranged internally. The metal heat dissipation cold plate is fixed between the ceramic active antenna board and the ceramic wave control board, and a first cavity window is formed on its surface corresponding to the chip of the ceramic active antenna board, and a second cavity window is formed on its surface corresponding to the interface pad. A third cavity window is formed on the surface of the ceramic wave control board corresponding to the second cavity window. The present invention has the characteristics of being thin, light, having low signal transmission loss, and having good heat dissipation.

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.

An image sensor includes a first substrate including a logic area, a pad area, and a pixel area including an active array area and a dummy array area disposed around the active array area, the active array area and a dummy array area having a plurality of photoelectric conversion layers, a deep trench disposed in the first substrate in the dummy array area, a plurality of shallow trenches disposed in the first substrate in the logic area, a heat dissipation pad disposed in the pad area, and a metal pattern filled in the deep trench and disposed on the first substrate in the dummy array area and the logic area.

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.

The invention relates to the technical field of integrated circuit packaging, active array antennas, machine learning and the like, and provides a TR module packaging method for a phased-array antenna system, which comprises the following steps of: packaging electronic components in a TR module shell, arranging a liquid cooling flow channel, and connecting an external liquid circulating device through an input port and an output port to realize heat dissipation; a temperature sensor and a machine learning module are arranged in the shell, temperature data are collected in real time, the heat distribution trend is predicted, and the flow speed and flow of cooling liquid are intelligently adjusted; a power supply interface, a control interface and a radio frequency signal interface are arranged on one side of the shell, so that standardized connection is realized; a plurality of TR modules are installed on the splitter plate in an array mode, and a liquid cooling path is managed in a unified mode. According to the invention, thermal load prediction and dynamic cooling adjustment can be realized, and local overheating can be effectively prevented.

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 elementary antenna 1 includes: two cross-shaped slots 32, 33 defining four half-slots; for each half-slot, excitation striplines 41, 42, the first stripline 41 being connected to a first via 61 and the second stripline 42 being connected to a second via 62; an integrated circuit 70 delivering a plurality of ports; for each half-slot, tracks for feeding the strips, the first track 51 running from a first port 71 to the first via 61 and the second track 52 running from a second port 72 to the second via 62, the first and second ports being two successive ports of the integrated circuit, differentially connected to a transmitter / receiver channel by first and second power lines situated inside the integrated circuit, the lines and tracks running so that there is no crossing of the respective routes thereof.

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 the technical field of heat dissipation of electronic equipment, and particularly discloses a large-caliber light and thin active array heat dissipation integrated framework. Comprising a heat dissipation bearing structure, a heat dissipation assembly and a function module which are installed in the heat dissipation bearing structure, a plurality of groups of radio frequency sub-arrays which are installed on the heat dissipation assembly and are connected with the function module, and antenna arrays which are installed on the radio frequency sub-arrays and are vertically interconnected. The heat dissipation assembly comprises a heat dissipation liquid cooling plate assembly installed in the heat dissipation bearing structure, a heat exchange liquid cooling plate installed in the heat dissipation bearing structure and conducting heat exchange with an external heat sink, and a liquid supply mechanism connected between the heat dissipation liquid cooling plate assembly and the heat exchange liquid cooling plate. According to the invention, the requirements of the active array on large aperture, lightness, thinness and expandability are met. A plurality of groups of closed fluid loops are integrated in the array, heat is led out through contact between the internal heat exchange liquid cooling plate and the external heat sink, external liquid supply is not needed, and the array heat dissipation integration problem in a windless / liquid-free environment can be solved.