3546 results about "Electronics" patented technology

An adaptive modular multimodal communication and computing panel includes a multilayer stack with a protective layer transmissive in selected bands, a reconfigurable communication layer operable in phased array, reflectarray, hybrid phased reflector, free space optical, or quantum modes, and electronics with heterogeneous processors. A multi scale interconnect and input and output fabric couples electrical, radio frequency, guided optical, and free space optical domains through interfaces including electro optic transduction and RF or baseband conversion. The fabric may implement programmable true time delay, resonators, and comb referenced timing. A management system coordinates beamforming, sensing, routing, calibration, workload placement, and security. Panels tessellate and connect by electrical, radio frequency, and fiber optic interfaces, supporting hot swappable modules, blind mate connectors, robotic servicing, and anti tamper features. Power and thermal subsystems harvest, store, regulate, and dissipate energy. The architecture scales from chip level modules to vehicle, airborne, maritime, orbital, and deployable systems.

The invention discloses a battery capacity prediction and state evaluation method and system based on multi-model collaborative learning, and belongs to the technical field of battery management. The method comprises the following steps: constructing a database containing multiple lithium ion battery long-term cycle data, and classifying according to a capacity attenuation trend; cleaning and preprocessing short-term cycle data of the to-be-tested battery; matching the to-be-tested data with the long-term attenuation trend in the database by using a clustering algorithm, and determining an optimal matching trend; distributing weights for the data in the matching trend by adopting a correlation algorithm, and generating initial capacity attenuation prediction; performing sequence correction on the preliminary prediction in combination with meta-learning and a related model, and generating a smooth future attenuation trend conforming to a physical law; and outputting a capacity prediction and health state evaluation result, and evaluating the prediction precision through a root-mean-square error and an average absolute percentage error. The method significantly improves the precision and generalization ability of long-term capacity prediction, and is suitable for various scenes such as electric vehicles, energy storage systems, consumer electronics and the like.

The invention belongs to the field of star flash mouse communication, and discloses a star flash mouse low-power-consumption communication system and method based on Polar code and SLE collaborative optimization, the system adopts a layered architecture design, collaborative optimization of energy efficiency and performance is realized through deep coupling of a physical layer and a link layer, and the performance of the system is improved. The core of the system is composed of three functional units including a Polar code coding module, an SLE control engine and a cross-layer optimization interface, and a complete closed-loop control system is formed. According to the invention, through deep cooperation of the Polar code and the SLE mechanism, the overall power consumption is reduced by 42.7% compared with the traditional scheme; according to the Polar code dynamic construction method based on track prediction, an ultra-low bit error rate of 10 <-5 > magnitude can still be kept in a 2.4 GHz complex interference environment, and in combination with signal-to-noise ratio self-adaptive coding parameter adjustment, it is ensured that transmission delay within 0.5 ms is always kept from a low-speed office scene to a high-speed electronic sports scene; in the aspect of engineering implementation, the method has the capability of quickly adapting to hardware platforms of different manufacturers, and a complete solution with high performance and low cost is provided for large-scale commercial use of the satellite flash technology in the consumer electronics field.

The invention discloses a single-molecule conductance signal semantic segmentation method based on multi-domain feature fusion, and relates to the field of single-molecule electric transport data analysis. The core of the method is a deep learning framework, and the deep learning framework comprises a time domain-frequency domain double-flow encoder, an attention mechanism module, a projection layer, a hierarchical clustering module and a segmentation head. The method specifically comprises the following steps of: performing data enhancement on time domain and frequency domain information of an input sample, generating views which are related to semantics and have different forms, and inputting the views into corresponding encoders; aligning two-modal coding features by adopting an attention mechanism; inputting the projected original time domain features into a hierarchical clustering module to generate a high-quality pseudo-tag, and taking the high-quality pseudo-tag as a supervision signal training segmentation head; and performing joint optimization by taking the weighted sum of the comparison loss and the segmentation loss as a total training target. The evaluation indexes comprise the accuracy rate, the F1 score and the MIoU. The method is applied to single-molecule electrical transport signal analysis, and provides effective data method support for single-molecule electronics basic research and application research.

An acoustic wave device, a radio frequency filter and an electronics module are provided. The acoustic wave device, comprises a layer of piezoelectric material, a pair of interdigital transducer electrodes disposed on an upper surface of the layer of piezoelectric material, each interdigital transducer electrode including a bus bar and a plurality of electrode fingers extending from the bus bar through a central region of the interdigital transducer electrode towards an edge region of the interdigital transducer electrode, each of the plurality of electrode fingers having a width in a direction perpendicular to the extension of the electrode fingers that is smaller in the edge regions than in the central regions, and trench portions located in the upper surface of the layer of piezoelectric material, the trench portions overlapping with the edge regions of the interdigital transducer electrodes. The acoustic wave device provides effective suppression of transverse modes.

Techniques for interfacing electronics are disclosed. A system-on-chip is accessed. The system-on-chip includes a network-on-chip (NoC) topology. The NoC sub-topologies are based on a physical location of the plurality of logic blocks. A first sub-topology is coupled to a receiving block, wherein the coupling includes inserting an interfacing block. The interfacing block includes a digital PLL (DPLL). The first sub-topology sends to the interfacing block data and a first clock. The first clock is input to the DPLL and used as a reference clock. The DPLL generates a second clock that is used to save the data that was sent. The interfacing block forwards to the receiving block the second clock and the data that was saved. The second clock is used as the internal clock in the receiving sub-topology. The NoC communications includes packets. Additional interfacing blocks are instantiated as necessary.

An operation method, a computing-in-memory apparatus, a storage controller, and a device, relating to the technical field of electronics, and for use in improving the performance of large model computing. A storage computing circuit in the computing-in-memory apparatus is used for implementing a multiplication operation of a matrix and a vector. The storage computing circuit comprises a first storage row and a second storage row which are located in different storage arrays. A plurality of pieces of first data of the matrix are stored in the first storage row, and a plurality of pieces of second data of the matrix are stored in the second storage row. The method comprises: a computing-in-memory apparatus receiving a first operation signal, wherein the first operation signal is used for instructing to execute a first computing operation on a plurality of pieces of first data and a vector; receiving a first activation signal, wherein the first activation signal is used for instructing to execute an activation operation on a second storage row during the first computing operation; and receiving a second operation signal, wherein the second operation signal is used for instructing to, when the first computing operation ends, start executing a second computing operation on a plurality of pieces of second data and the vector.

A pump can include a pump head, a body housing, a motor disposed within the body housing, and a motor shaft extending from the motor. The pump head can include a sensor, at least a first interface portion, and at least a first elongate conductor electrically connecting the sensor to the at least a first interface portion. The body housing can include at least a second interface portion and at least a second elongate conductor electrically connecting the at least a second interface portion to pump electronics. The sensor can be configured to sense when the at least a first interface portion does not contact the at least a second interface portion. When the at least a first interface portion does not contact the at least a second interface portion and the pump head is removed from the body housing, the pump head can be pivotable relative the motor shaft such that an orientation of the pump head can be changed with respect to the body housing.

The invention belongs to the technical field of nano materials, and relates to a carbon thermal reduction driven high-entropy oxide metastable-state material and a preparation method and application thereof.The preparation method comprises the steps that S1, carbon and soluble metal salt are dissolved in a solvent for ultrasonic treatment, and a metal salt solution and a carbon suspension are obtained; s2, adding a metal salt solution into the carbon suspension, adding strong base, and stirring to obtain a coprecipitation polymer; s3, re-dispersing the coprecipitation polymer in the solvent, adding extra ferric salt and urea, mixing and stirring, and freeze-drying the mixed solution to obtain precursor powder; s4, performing staged annealing treatment on the precursor powder under low oxygen partial pressure to obtain a carbon-loaded high-entropy oxide metastable-state material; the prepared high-entropy oxide metastable-state material is of an alloy phase and high-entropy oxide double-phase coupling structure, the polarization loss of electromagnetic waves is enhanced through a heterogeneous interface, and the high-entropy oxide metastable-state material has the advantages of being excellent in impedance matching and wide in electromagnetic wave absorbing bandwidth and can be widely applied to the fields of industrial electronics, medical communication and military stealth.

The invention relates to the technical field of automobile electronics and intelligent control, and discloses an intelligent cabin mechanical arm system which comprises a folding mechanical arm body, a tail end sensing interaction module, a driver state monitoring subsystem and a central control unit which are installed in a cabin. The central control unit controls the storage or working mode of the mechanical arm according to the comprehensive fatigue index of the driver; in the working mode, visual gazing information is used as a gating signal to activate electroencephalogram analysis, the operation intention is confirmed in combination with the visual prior probability and electroencephalogram signals, and the mechanical arm impedance parameters are adjusted in real time based on the fatigue state. According to the method, through Bayesian fusion of vision and electroencephalogram signals, the problem that single-mode control is unstable is solved; by means of variable impedance control and collision detection of the momentum observer, active safety protection based on the physiological state of the driver is achieved, and non-sensitive and high-safety intelligent auxiliary experience is provided in a limited cabin space.

The invention relates to the technical field of electronics, and discloses a power supply method, a readable storage medium, a chip and electronic equipment. The electronic equipment can store the corresponding relation between the voltage parameters of the power supply modules and the phase cutting current thresholds corresponding to different power supply groups. In the operation process of the electronic equipment, the current voltage parameter of the power supply module can be obtained, and the phase cutting current threshold value matched with the current voltage parameter is determined based on the corresponding relation. And then, the electronic equipment can supply power to the load through the power supply group which corresponds to the current output current and has the highest power supply efficiency according to the relationship between the current output current of the display screen power supply module and each determined phase cutting current threshold value. Therefore, since the phase cutting current threshold is matched with the current input voltage and the current output voltage of the power supply module, the power supply module can work under the condition of a power supply phase number with relatively high efficiency, so that the power supply efficiency of the power supply module for the load is improved, and the power consumption of the electronic equipment is reduced.

The invention belongs to the technical field of semiconductor detectors, and particularly relates to a whole process simulation method and system for response of a semiconductor nuclear radiation detector. According to the method, through cooperative operation of a detector working parameter setting module, a carrier transport simulation module and a detection system electronics response module, whole-process response prediction of the semiconductor detector from radiation interaction to electronics output can be realized under different carrier transport characteristics and device structure conditions; according to the method, the carrier drift process is simulated in a small-step iteration mode, accurate reconstruction of a carrier drift track can be synchronously achieved, CSA signals and main amplifier forming signals can be continuously generated in real time, simulation output of an energy spectrum is finally completed, and therefore core performance indexes of a detector are comprehensively reflected. The method is wide in applicable semiconductor material range and device structure, the main amplifier module type can be flexibly configured, the overall simulation process is simple, convenient and efficient, and the method has good universality and engineering application value.

The invention discloses an image frame generation method, electronic equipment, a chip system and a storage medium, and relates to the technical field of electronics. The method is applied to the electronic equipment, a unified rendering process of the electronic equipment comprises a main thread and a rendering thread, and the method comprises the following steps: the main thread generates a first preprocessing result of a first image frame after receiving a first vertical synchronization signal; the main thread synchronizes the first preprocessing result to the rendering thread; the rendering thread generates a first image frame according to the first preprocessing result; in the process that the rendering thread generates the first image frame according to the first preprocessing result, after the main thread receives the second vertical synchronization signal, a second preprocessing result of the second image frame is generated, and the second preprocessing result is used for generating the second image frame. According to the technical scheme provided by the embodiment, the generation rate of the image frame can be improved, the situation of frame dropping or lagging in the display process of the electronic equipment is reduced, and the user experience is improved.

A radio frequency antenna gain measuring apparatus includes: first and second antennas; antenna positioners to position the antennas; a central controller to: control the antenna positioners to position the first and second antennas, control the linear motion positioner to vary the separation distance, and receive information from the distance meter; and an antenna gain processor to: receive information from the central controller and the first and second radio frequency transmit and receive electronics device, and determine the gain of the first and second antennas based on the third-order scattered signal as a function of the separation distance.

The invention provides an OBD message analysis and attitude rendering method and system based on a vehicle dynamics model, and belongs to the field of vehicle electronics and control. The method comprises the steps that a message is analyzed through an OBD interface, and vehicle operation parameters are obtained; establishing a unified time base and carrying out resampling and synchronous processing on the data of each channel; constructing a fifteen-degree-of-freedom vehicle dynamics model comprising a vehicle body six-degree-of-freedom pose, a vehicle body angular velocity, a four-wheel rotation angular velocity and unsprung mass vertical displacement for state prediction; designing an observation function to map a model state to an OBD observation space, and adopting an observability enhancement strategy; predicting and observing data are fused by using a nonlinear filter, and abnormal observation gating is carried out based on a mahalanobis distance and an amplitude threshold value; compensating system time delay and adaptively adjusting observation noise; and performing three-dimensional real-time rendering on the attitude information. According to the method, high-precision and high-robustness vehicle attitude estimation can be realized only by depending on the OBD message, and the system cost is effectively reduced.

The invention discloses a comprehensive two-dimensional vertical structure metal-semiconductor field effect transistor and a preparation method thereof. A source electrode, a lower isolation layer, a drain electrode and an upper isolation layer which are vertically stacked are formed on the surface of a substrate, an inclined side wall is formed, a channel covers the inclined side wall, a grid electrode and the channel are self-aligned, and a semi-metal grid electrode and a semiconductor channel are in direct contact to form a Schottky junction; based on a comprehensive two-dimensional material system, the Fermi pinning effect and unintentional doping are effectively inhibited, and the performance of the device is optimized by optimizing the grid control capability and the electric contact performance; a gate dielectric layer is not arranged, so that the problems of electrical performance deterioration and the like under a limit miniature scale are avoided; the integration density of the device is improved and the research and development and manufacturing cost is controlled while excellent performance is kept; the channel length and the contact length are synchronously and accurately reduced by utilizing a side wall vertical structure; the method is applied to the industrial application fields of next-generation integrated circuit chips, high-density memories, flexible and wearable electronics and the like which break through the silicon-based physical limit.

The embodiment of the invention provides a display module, a driving method thereof and electronic equipment, relates to the technical field of electronics, and is used for designing a low-power-consumption display module. When the display module is designed, a driving circuit in the display module is set to comprise a first driving sub-circuit and a second driving sub-circuit which can be independently driven. During local display, grid starting signals corresponding to the first driving sub-circuit and the second driving sub-circuit are independently fed in. For example, the first driving sub-circuit supplies an effective grid starting signal, and the second driving sub-circuit supplies an invalid grid starting signal, so that independent driving of the first driving sub-circuit and the second driving sub-circuit is realized. On the basis, the clock signal corresponding to the first driving sub-circuit is overturned at a normal frequency, and the clock signal corresponding to the second driving sub-circuit is not overturned or overturned at a reduced frequency, so that different feeding of the clock signals is realized, and the power consumption of the display module is reduced.

The invention provides an application recovery method, device and equipment, and is applied to the technical field of electronics. The method comprises the steps that context information of an application is stored under the condition that the application is abnormally closed, whether the reason for the abnormal closing of the application is bit errors of a plurality of memory pages occupied by the application or not is determined, if yes, a fault memory page with the bit errors in the memory pages is replaced with a fault-free free memory page, and if not, the application is abnormally closed. And recovering the application according to the plurality of replaced memory pages and the context information. According to the method provided by the invention, by utilizing the characteristic that the memory page distributed for the application is replaceable, when the application is abnormally closed due to the bit error of the memory, the fault memory page with the bit error is replaced by the free memory page without the fault, so that the bit error in the memory page is shielded; according to the method, the time for recovering the application to the state before abnormal closing can be shortened, so that the interruption time of related functions after the application is abnormally closed can be shortened, and the influence possibly caused by the abnormal closing of the application on a user is reduced.

The invention discloses a flexible pressure sensor based on ionized hydrogel and a preparation method thereof. The sensor adopts a sandwich layered structure of a flexible composite electrode, an ionized water gel dielectric layer and a flexible composite electrode, ionized water gel is used as a dielectric layer, and an upper flexible electrode and a lower flexible electrode are prepared from a multi-walled carbon nanotube / polydimethylsiloxane (MWCNTs / PDMS) composite material; the surface, making contact with the dielectric layer, of the electrode is copied through an abrasive paper template method to form a micron-sized rough structure. Under the action of external pressure, the effective contact area between the microstructure electrode and the ionized water gel dielectric layer and the equivalent electrode distance change, so that the interface electric double-layer capacitance is regulated and controlled, and high-sensitivity conversion from a pressure signal to a capacitance signal is realized. The flexible pressure sensor is simple in structure and excellent in flexibility, can be further integrated into a pressure sensing array, and is suitable for the fields of wearable electronics, electronic skin, man-machine interaction and the like.

The invention relates to a satellite-borne laser communication system, the system comprises a comprehensive management unit and N laser terminals, the comprehensive management unit is used for electronic modulation and demodulation and data processing, and the comprehensive management unit comprises an optical transceiver module, a digital baseband module and a data routing module; the N laser terminals are used for transmitting and receiving optical signals, and each laser terminal comprises an optical antenna module and a light amplification module; the number of the integrated management units and the number of the laser terminals are sum, wherein N is a natural number greater than 1. The invention provides a '1 + N' function and interface division method and provides a satellite-borne laser communication system which is completed by matching one comprehensive management unit and N miniaturized laser terminals through the idea of'merging similar items + integrated management and control 'and'photoelectric separation', so that each laser terminal does not independently have a photoelectric integrated laser communication function any more, and the communication efficiency of the satellite-borne laser communication system is improved. The laser terminal is responsible for transmitting and receiving optical signals, and the comprehensive management unit is responsible for electronic modulation and demodulation and data processing.

A method for data center switching fabric path emulation in an electronics design automation (EDA) environment includes generating emulated data center traffic. The method further includes, at a path emulation element, modifying the emulated data center traffic to emulate passing of the emulated data center traffic through a data center switching fabric. The method further includes outputting, by the path emulation element, the modified emulated data center traffic to an EDA emulator emulating an electronics design under test. The method further includes receiving and storing a response of electronics design under test to the modified emulated data center traffic.

The invention discloses a superconducting rectifier, a superconducting diode and a manufacturing and control method thereof, and belongs to the technical field of superconducting electronics, the superconducting rectifier comprises more than one superconducting diode, the superconducting diode comprises an insulating substrate and a superconducting nanowire, the superconducting nanowire is provided with a narrowing section, and the narrowing section is provided with a narrow section. The narrowing section is connected with a first gate line and a second gate line, the first gate line and the second gate line are symmetrically arranged, and the first gate line and the second gate line are both perpendicular to the superconducting nanowire. According to the invention, in-situ reconfigurable reversal symmetry destruction can be realized through a nanoscale hot spot controlled by a grid electrode; electrically controlled opening or closing and polarity reversal are realized by adjusting a small grid current without changing a magnetic field; the superconductive rectifier realizes electrically reconfigurable full-wave and half-wave rectification, and paves a way for development of extensible and electrically programmable superconductive electronic devices.

The invention provides a sewing thread defect classification method based on multi-scale fusion and adaptive learning, which solves the technical problems of extremely unbalanced data and low expert labeling efficiency in industrial quality inspection, and can be extensively applied to surface defect detection tasks in multiple manufacturing fields such as spinning, packaging and electronics. According to the method, four core modules of multi-scale depth feature extraction, dynamic loss prediction, adaptive spectral clustering and intelligent pre-classification are creatively fused, and multi-level semantic features are extracted through a multi-scale feature pyramid network; designing a dynamic weight loss prediction network, and accurately evaluating the sample information amount; constructing an adaptive spectral clustering algorithm, and adaptively adjusting clustering parameters; a multi-feature fusion pre-classification algorithm is combined to assist experts in efficient labeling. According to the method, the defect classification precision can be remarkably improved in a few-sample scene.

This invention discloses an electromagnetic interference prediction method based on statistical analysis of electromagnetic environment monitoring data, belonging to the field of equipment electronics technology. The method collects spectral data from various monitoring points in the electromagnetic environment; the spectrum, time, and operating condition information form a spectral sample. Through spectral stability calculation, the monitoring point X with the lowest stability is determined. Based on the spectral sample, statistics reflecting electromagnetic environment fluctuations are calculated from data at different times and the same frequency, generating a fluctuation characteristic spectrum of the statistics as a function of frequency. Based on the correlation between the fluctuation characteristic spectra of monitoring point X and other monitoring points, and combined with the type of equipment at monitoring point X, potential interference source equipment is identified. This invention can predict electromagnetic interference based on statistical analysis of spectral data.

The invention belongs to the technical field of spintronics devices, and particularly relates to a vertical magnetization ferromagnetic layer field-free flipping method in an orbital electronics device. In the prior art, an orbital electronic device has the problem that a current-induced vertical magnetization ferromagnetic layer needs an external magnetic field to assist in overturning, which greatly limits the actual application of the orbital electronic device. In order to solve the problem, two technical schemes are provided, one scheme is that a wedge-shaped substrate is coated with a film, and the other scheme is that an antiferromagnetic layer is inserted between a track source layer and the substrate. According to the two technical schemes, the symmetry of the system can be broken through, and field-free overturning of the perpendicular magnetization ferromagnetic layer in the track electronics device is finally achieved.

The invention discloses a processing device, an instruction processing method, a chip device and electronic equipment, and belongs to the technical field of electronics. The processing device comprises a physical register file, a physical register cache unit and an execution unit, the physical register file comprises a first read port and a first number of physical registers, the physical register cache unit comprises a second read port and a second number of cache lines used for caching data of the second number of physical registers, and the second number is smaller than the first number; the execution unit is used for responding to all the source data of the first instruction and executing the first instruction based on all the source data of the first instruction, and any source data in all the source data of the first instruction is read from the first number of physical registers through the first read port or read from the second number of cache lines through the second read port. The instruction execution efficiency can be improved on the basis that the occupied area is not greatly increased, and the instruction processing performance of the processing device is improved.

A hypothermia insulative cap is provided enhanced with a GPS-enabled LED strip for emergencies, constructed from dual-layer nylon and neoprene with advanced seam technologies for durability and comfort. It features a unique technology chassis for waterproofing essential electronics, a battery-activated GPS and LED for increased visibility, and a protective brow visor for comfort and protection. This cap is designed to maintain body temperature during waterborne rescues, offering increased visibility to rescuers and compatibility with conventional life vests, without impeding the function of either device.

The invention discloses a power supply test method for simulating an equipment load and electronic equipment, and relates to the technical field of electronics, and the method comprises the steps: transmitting test current information to a first control part through a management controller, the test current information being used for indicating a to-be-simulated specified load current of a first load module; according to the specified load current, the first control part controls the first load module to carry out current pumping on a power supply of the first load module; voltage data of the power supply of the first load module and current data of the power supply of the first load module are obtained through the first control part, and a first test result is obtained. The technical problem of insufficient accuracy and comprehensiveness of the power supply test method of the equipment load in the related technology is solved, and the technical effect of improving the accuracy and comprehensiveness of the power supply test method of the equipment load is achieved.

Processor control over the state (position, attitude or degree of openness) of discharge gates for mowers provides an electronics package which senses or reckons the position of the discharge gate, and thereby provides users control thereover.

The invention relates to the technical field of glass fiber materials, in particular to glass fiber cloth and a preparation method thereof. Through multi-angle technical improvement of base material component innovation, composite modifier design and preparation parameter synergy, the glass fabric with high strength, high elasticity and strong oxidation resistance is prepared, the requirements of aerospace, high-end electronics and other fields with strict requirements for material performance can be met, and remarkable technical value and market potential are achieved.