240 results about "Digital processor" patented technology

Quantum-classical gradient estimation is described for use in determining a value of at least one optimizable parameter of an objective function. An optimization method can be performed by a digital processor coupled to an analog processor and can include, until the objective function converges: obtaining a set of samples generated by the analog processor; estimating a gradient of the objective function based on a current value of the at least one optimizable parameter and the set of samples; determining first and second order moments based on the estimated gradient, and, updating the optimizable parameters based on the moments. A method to train a machine learning data can include: receiving a training data set; generating a training model having an objective function; performing acts of the optimization method to optimize parameters of the training model; and, returning the optimized training model to the machine learning model.

The embodiment disclose a wearable augmented reality eyewear system including a frame supporting left and right transparent lenses. A plurality of outward-facing cameras mounted on the frame have overlapping fields of view for capturing real-time images of the environment. A plurality of inward-facing cameras integrated in the frame or lenses detect pupil size, pupil dilation, and gaze direction using infrared imaging. A digital processor analyzes gaze direction and fixation based on virtual grid coordinates, initiates an object or person recognition routine using images from the outward-facing cameras, and compares detected features with records in a database. At least one lens includes an AR projection system embedded therein and configured to superimpose data about the recognized object or person in the user's field of view. An audio speaker positioned near the user's ear outputs related audio. A wireless communication module enables real-time data exchange with a cloud-based platform.

The invention discloses a short-circuit current limiting and short-circuit recovery transient voltage control device and method for an aviation three-stage power generation system, and the device comprises a three-stage power generator, a power generator controller, a current sensor, a voltage and current collection module, and an asymmetric half-bridge excitation control circuit. Collecting the output current iL and voltage UL of the generator through a digital processor of the generator controller; when short circuit occurs, the given voltage USet of the voltage regulating loop is linearly reduced in a piecewise mode according to the relation between the iL and a preset threshold value, so that the generator works in a constant power interval; and when the short circuit is recovered, closing the upper / lower power tubes of the asymmetric half-bridge excitation control circuit according to the relationship between UL and a preset threshold value in a grading manner, and triggering a negative-pressure follow-current mode of a main excitation winding of the generator controller to quickly extinguish the field. The method can adapt to different generators without adjusting hardware circuit parameters, has no motor ablation risk during short circuit, has transient voltage less than 350V after short circuit recovery, has no power supply interruption in the whole process, has response delay less than 1ms, and greatly improves the safety and robustness of an aviation power supply and distribution system.

A device for interface shape of an optical element including at least one low-coherence light source, at least one optical sensor, an interferometric device illuminated by the light source and configured for shaping at least one measurement beam and at least two reference beams, directing one measurement beam to the element to pass through the interfaces, and directing the light from at least two interfaces to the sensor or sensors, each sensor globally configured for detecting at least two interference signals resulting respectively from interferences between the measurement beam reflected by one of the at least two interfaces and one of the reference beams; the measurement device also including a positioner for positioning a coherence area at the level of each interface and a digital processor for producing, from the interference signals, an item of information of the shape of each interface according to a field of view.

There is provided a system and methods to determine an improved solution to a Mixed Integer Problem (MIP) using a quantum-assisted MIP solver. The methods are performed by a digital processor in communication with a quantum processor. Methods include: selecting at least one feasible solution determined by an MIP solver, determining a first sub-problem of the MIP based on the at least one feasible solution; casting the first sub-problem as Binary Quadratic Models (BQMs); solving the BQMs using the quantum processor to generate sample solutions; determining a second sub-problem based on at least the sample solutions, and obtaining a current solution to the MIP by evaluating the second sub-problem; and updating an incumbent solution if the current solution improves over the current incumbent solution. The quantum-assisted MIP solver uses hybrid crossover and mutation heuristics to improve the convergence time and accuracy of solutions obtained using Branch-and-Cut solvers.

A spiking neural network is provided, wherein each neuron of the spiking neural network includes a RC or RLC circuit formed of passive elements. The RC or RLC circuit provides a corresponding spiking function. In some cases, a portion of each neuron of the spiking neural network is implemented in a digital processor and further includes a digital to analog converter between the portion implemented in the digital processor and the RC or RLC circuit. In some cases, the spiking neural network is implemented as a fully analog neural network.

An analog electronic component for control of an aerosol delivery device is provided. The aerosol delivery device includes a heating element, a reservoir that retains aerosol precursor composition, and an analog electronic component that in response to user input, and independent of a digital processor, is configured to direct a constant current to the heating element and thereby cause the heating element to activate and vaporize components of the aerosol precursor composition in response to user input, and a user input interface through which the user input is receivable.

Embodiments of the present disclosure include techniques for moving data between electronic system components using buffers. A digital processor stores data generated in response to a series of commands in a first buffer. Commands are received with a reference to a second buffer. The digital processor tracks the last location that a data result was stored in the first buffer. When a data result fills the buffer, the remaining data is automatically stored in the second buffer. Downstream devices may empty full buffers. A client may receive an indication that a buffer is empty and subsequently send commands with a reference to empty buffer.

The invention relates to the technical field of microwave remote sensing, in particular to a Ku, Ka and W three-frequency-band meteorological radar multi-source joint detection system and method and a storage medium, and the system comprises an antenna feeder subsystem, a main control computer, an integrated digital processor, a Ku / Ka integrated radio frequency machine, a Ku-frequency-band power amplifier, a Ka-frequency-band power amplifier, a W-frequency-band transmitter, a W-frequency-band power amplifier, a W-frequency-band receiver and a servo mechanism. The system is designed according to a working mode and working parameters of a main control computer, realizes multiple functions such as Ku / Ka / W single-frequency-band independent working or multi-frequency-band simultaneous working and the like, and has co-polarization and cross-polarization echo signal receiving capability; by controlling the servo mechanism, two modes of fixed-point detection and conical scanning detection are realized, and detection requirements of different meteorological elements are met; the detection capabilities of three frequency bands of Ku, Ka and W are integrated in the system, the detection mode is flexibly configured according to weather conditions and detection requirements, the system has the multi-frequency-band, multi-polarization and multi-element integrated detection capability, and the detection efficiency of the meteorological radar is improved.

The invention discloses a vibration suppression circuit applied to a wheel speed sensor and a suppression method of the vibration suppression circuit, the vibration suppression circuit comprises a Hall disc HallR, a Hall disc HallC, a Hall disc HallL, a first signal link, a second signal link, a digital processor DSP and a current signal output module IOUT, differential electric signals output by the Hall disc HallR and the Hall disc HallC are input to the input end of the first signal link, and differential electric signals output by the Hall disc HallL are input to the output end of the second signal link; differential electric signals output by the Hall disc Hall L and the Hall disc Hall C are input to the input end of the second signal link, the output end of the first signal link and the output end of the second signal link are connected with the first input end and the second input end of the digital processor DSP respectively, and the first output end of the digital processor DSP is connected with the current signal output module IOUT. According to the invention, the vibration suppression function of the wheel speed sensor is improved, and the vibration suppression difficulty of the DSP is reduced.

A method for configuring an optical transmitter for transmitting optical signals over a passive optical link. The method includes using a digital processor to generate a target constellation probability distribution (CPD) for a probabilistic constellation encoder (PCE) of the optical transmitter. The target CPD is generated using a system performance optimization algorithm accounting for the transmitter peak power constraint and a peak enhancement property of a drive circuit of the optical transmitter.

The invention discloses a smart home multi-device linkage power utilization control method based on MOS tubes, and belongs to the technical field of smart home control. The digital processor is used as a core, the built-in numerical control module and the data processing unit are matched, the on-off state of the MOS tube is accurately regulated and controlled in combination with a program control algorithm, fine management of power utilization parameters of intelligent household equipment is achieved, the limitation that traditional control response is lagged and poor in adaptability is broken through, rated parameters and real-time requirements of the equipment are dynamically matched, and the power utilization efficiency is improved. The optimal operation of equipment is guaranteed to prolong the service life, invalid energy consumption is reduced, a high-precision foundation is laid for multi-equipment cooperative linkage, the stability and energy efficiency of a system are improved, multi-scene linkage logic is preset by means of a logic state machine, and rapid switching and reliable execution of multi-scene linkage are realized by matching with an application selection switch of an MOS tube array structure. Scene requirements are automatically adapted, and through independent loop control, fault detection and standby loop design, the problems that linkage switching is tedious and the fault influence is large are solved.

Embodiments of the present invention provide a method, system, devices and software which provide customized, clinically relevant designs, e.g. treatment plans / solutions for at least single tooth replacement therapy in real-time as needed to enable immediate confirmation of the validity and execution of patient-specific treatment solutions.A Machine Learning algorithm is used in a method or system for computer implementation of automatic restoration design. The restoration design includes the design of restorative elements such as crowns and abutments. Software is provided for carrying out the methods when executed on a digital processor. Manufacturing of the restorative elements is also included.

This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for dynamic field switching based on a head pose. A processor computes a difference between a first pose corresponding to a rendering time instance for a frame and a second pose corresponding to a display time instance for the frame that occurs after the rendering time instance. The processor renders a first set of color fields or a second set of color fields for the frame based on the computed difference and a threshold, where the first set of color fields and the second set of color fields include a first number of color fields and a second number of color fields, respectively, where the first number is less than the second number. The processor outputs an indication of the rendered first set of color fields or the rendered second set of color fields.

In one aspect, a receiver includes a digital processor having a digital signal processing path that comprises: a packet detector to detect a packet; a channel profile circuit coupled to the packet detector to determine a channel profile of a channel via which the packet is received; a fast Fourier transform (FFT) engine to convert time domain samples of the packet to frequency domain samples; and a plurality of smoothing filters. The receiver further includes a controller coupled to the channel profile circuit to select one of the plurality of smoothing filters to couple into the digital signal processing path based at least in part on the channel profile.

A time of flight sensor includes a time of flight (TOF) processor having a digital TOF port, a digital input port, and a digital output port, the TOF processor comprising a phase detector including cyclically rotating demultiplexer (DEMUX), a first summer coupled to a first DEMUX output, a second summer coupled to a second DEMUX output, a third summer coupled to a third DEMUX output, a fourth summer coupled to a fourth DEMUX output, and a phase estimator coupled to outputs of the first summer, the second summer, the third summer and the fourth summer and having a phase estimate output; a driver having a digital driver port coupled to the digital TOF port and a driver output port; and an analog-to-digital converter (ADC) having an output port coupled to the digital input port of the digital TOF processor.

A figure display device includes a display unit and at least one processor configured to control to display a plurality of tags individual movement of which is allowed in accordance with a user operation in a predetermined work area. In a case where predetermined mathematical processing is designated to be executed a first figure which is displayed on one of the tags, the processor additionally displays a tag which is different from the tag that the first figure is displayed on and on which information on the predetermined mathematical processing is displayed in the work area, and controls to additionally display a second figure which is prepared by performing the predetermined mathematical processing on the first figure.

The invention discloses a multi-channel radio frequency assembly power supply fault detection circuit, and belongs to the technical field of electronic information. The circuit comprises a voltage weighted summation circuit module, the voltage weighted summation circuit module is used for endowing power supply voltages of a plurality of radio frequency components with different weights and carrying out weighted summation, each radio frequency component corresponds to an input resistor, and different values of the input resistors are used for endowing the radio frequency components with different weight values; and the anti-phase acquisition circuit module is used for inverting the weighted summation result of the voltage weighted summation circuit module and outputting a code through an analog-to-digital converter to judge whether the power supply voltage of the channel where each radio frequency component is located is normal or not. According to the invention, the complexity of the circuit is greatly reduced, the use number of digital processor interfaces is reduced, and the cost is effectively reduced.

The invention provides a vehicle-mounted short-wave communication system performance detection system. The system adopts a modular design and mainly comprises a radio frequency power detection module, a spectrum analysis module and an industrial digital processor module. The radio frequency power detection module generates an initial signal through direct digital frequency synthesis, the initial signal enters the frequency division and phase discrimination controller after being processed by the low-pass filter, and frequency synthesis is completed through the voltage-controlled oscillator. And the spectrum analysis module realizes digital signal processing of the high-speed synchronous radio frequency signal. The industrial digital processor module is responsible for overall control and data processing, and supports a wireless communication technology to realize efficient data interaction. The system integrates a multifunctional radio frequency standard signal source and provides support of various modulation modes. The system solves the problems of poor portability, low detection precision, weak anti-interference capability and the like in the prior art, provides a high-precision and high-reliability detection tool for fault diagnosis and performance optimization of a vehicle-mounted short-wave communication system, and has remarkable technical advancement and market application value.

The present patent document provides a design of an efficient hybrid quantum classical computing system capable of information processing based on both quantum computing using different quantum states of qubits and classical digital computing using a digital processor including one or more graphics processing unit (GPU) processors.

The application relates to a kind of OFDM-based broadband millimeter wave relay system hybrid beamforming design method, comprising: calculating the receiving signal of target node under the condition that each node is all digital processor;The receiving signal is processed using minimum mean square error criterion in target node, and MMSE matrix is calculated;Using the equivalence between maximizing sum rate and minimum weighted mean square error algorithm, the maximum sum rate problem is converted into minimum weighted mean square error problem according to MMSE matrix;Deep unfolding neural network is used to solve the minimum weighted mean square error problem, and all digital processor of each node is obtained;Each node's all digital processor is decomposed based on least square decomposition algorithm, and hybrid beamforming matrix of each node is calculated, the complexity of the algorithm is greatly reduced, and the running time of the system can be effectively improved.

The thermodynamic computing platform samples multivariate distributions (e.g., multivariate Gaussian distributions) using a network of coupled analog unit cells controlled by a digital processor. The analog unit cells are capacitively, resistively, and / or inductively coupled to each other. Each analog unit cell contains an adjustable resistor, capacitor, inductor, current source, and / or voltage source. The digital processor sets initial values ​​for these components. These values, or input parameters, represent the multivariate distribution. The network of coupled analog unit cells is then evolved through a series of time steps until thermal equilibrium is reached. As the network evolves, the digital processor samples voltages at nodes in the network at each time step. These voltages represent samples of the multivariate distribution.

The invention relates to a high-efficiency steering engine assembly test system, belongs to the technical field of steering engine assembly, and solves the problems of poor flexibility, low efficiency and large debugging workload of a mechanical assembly debugging process of an existing steering engine in the prior art. The welding-free wiring module is used for connecting a displacement sensor and a motor of the mechanically assembled steering engine, receiving displacement feedback information output by the displacement sensor and outputting a driving signal to the motor; the test mode selection module is used for selecting a test mode of the steering engine, and the test mode comprises a step test, a running-in test and a small instruction frequency sweep test; the digital processor is used for performing motor closed-loop control according to a test function corresponding to the test mode and the displacement feedback information, and outputting a generated control quantity to the motor driver; and the motor driver generates a driving signal based on the control quantity output by the digital processor and transmits the driving signal to the motor through the welding-free wiring module. Quality control of production links is achieved, rework amount is reduced, production efficiency is improved, batch production of products is facilitated, sufficient stability allowance is reserved for performance debugging of the whole machine, and product reliability is improved.

A high-voltage (HV) power supply device outputs an output voltage based on a control signal generated by dual analog / digital feedback loops. The control signal is determined at least in part by an error amplifier that receives a measurement signal attenuated proportionally to the output voltage and an output signal from a digital-to-analog converter (DAC). The ADC also receives the measurement signal and transmits it in digitized form to a digital processor. The digital processor calculates a digital DAC data signal based on the measurement signal and a digital setpoint input signal corresponding to a setpoint voltage value desired to be output from the high-voltage source. The DAC receives the DAC data signal and converts it into a DAC output signal that is transmitted to the error amplifier.

The invention relates to the field of power equipment and grid connection, in particular to a distributed photovoltaic over / under-voltage compensation judgment and flexible treatment method based on an instant line current direction. A voltage compensation mode is adopted, namely, a high-speed and reliable digital processor is adopted as a main controller, a high-power silicon controlled rectifier is adopted as an execution device, a compensation transformer is adopted as a voltage adjusting element, the line current direction is detected, and when current flows from a load side to a network side, the voltage adjusting device has a voltage reduction function, and the voltage can be reduced by 15%; when the line current flows from the grid side to the load side, the device bypasses or operates in the boost mode, and the boost capacity is also 15%. Switching is fast, the time is not longer than 20 ms, local power factor compensation is achieved, and the functions of protection and bypass are achieved; the voltage adjusting device has a single-phase voltage adjusting device and a three-phase voltage adjusting device, and the capacity and the output voltage range can be selected.

The invention relates to a system for program control using a digital processor, and more particularly to a system for automatically generating reports about the state of thermal vacuum and manufacturing systems. The technical result, which consists in more timely generation of reports about the state of thermal vacuum and manufacturing systems, is achieved in that the present system for automatically generating reports about the state of thermal vacuum and manufacturing systems comprises a host computer interconnected with a control unit that transmits control signals to monitoring and measuring devices and a data processing unit, wherein the monitoring and measuring devices transmit data to a data collection unit, which transmits data to the data processing unit, which transmits data to the control unit, which transmits data to the host computer, and the monitoring and measuring devices include a validation device, a device for measuring the amount of aerosol particles in the air, a device for remotely recording temperature and relative humidity values, a device for monitoring the parameters of controlled environment rooms, and a module for generating a report about a set of production equipment, wherein the data collection unit is connected to a database, which is connected to the data processing unit.

The invention belongs to the field of hearing aids, and provides a method for manufacturing a hearing aid by using an original sound reconstruction technology, which comprises the following steps of: receiving an original sound signal, converting the received original sound signal into an audio signal, converting the converted audio signal into a digital signal again, and processing the converted digital signal by using a digital processor, the sound processing module is used for processing the original sound to remove noise, noise, echo and unnecessary background sound in the original sound, converting the processed digital signal into a high-simulation sound signal according to a mode selected by a mode control switch, converting the converted high-simulation sound signal back to an audio signal, and amplifying the reconverted audio signal; according to the invention, noise, noise, echo and unnecessary background sound in the original sound are eliminated and isolated by using the original sound reconstruction technology, so that the hearing aid is ensured not to have noise, noise, echo and unnecessary background sound in the original sound, and the hearing aid is vivid and clear in sound effect and suitable for ears.

The invention discloses an ultra-wideband transient multi-electromagnetic physical quantity synchronous measurement method and system, and the method comprises the steps: designing an electric field sensor based on a monopole rod-shaped electrically small antenna principle, and designing a magnetic field sensor based on a Faraday's law of electromagnetic induction; designing a voltage sensor based on a self-integration mode, and designing a current sensor based on a broadband Rogowski coil; based on a digital sampling technology of an FPGA, a digital processor is designed, sampling data collected by an electric field sensor, a magnetic field sensor, a voltage sensor and a current sensor are collected through the digital processor, the sampling data are transmitted to an upper computer through a QSFP module, and the sampling data are processed and displayed through the upper computer. The scheme can be effectively applied to application scenes of transient electromagnetic environment online monitoring, fault diagnosis, radiation source accurate positioning and the like of high-voltage power equipment.

Embodiments of the present disclosure include techniques for moving data between system components using buffers. A digital processor stores data generated in response to a series of commands in a first buffer. A command is received and has a reference to the second buffer. The data processor tracks a last location where the data result is stored in the first buffer. When the buffer area is filled with the data result, the remaining data is automatically stored in the second buffer area. Downstream equipment may empty the full buffer. The client may receive an indication that the buffer is empty, and then send a command with a reference to the empty buffer.

A wireless communication system comprising: a first communication module comprising a first digital processor; and a second communication module comprising a second digital processor; wherein: wherein the first communication module comprises a first digital data interface for communication between the first communication module and a first electronic device and wherein the second communication module comprises a second digital data interface for communication between the second communication module and a second electronic device, wherein the first digital processor is coupled to the first digital data interface; and / or the second digital processor is coupled to the second digital data interface; wherein the first and second communication modules are configured to communicate through a barrier using optical wireless communication.