80 results about "Pulse processing" patented technology

The invention provides a pulse passing rate improving method based on accumulation signal demodulation, and belongs to the technical field of nuclear electronics digital pulse processing. Comprising the following steps: performing baseline deduction and monopulse screening on a radiation field pulse signal; constructing a nuclear pulse signal model, fitting to obtain model parameters, and constructing a system response matrix; modeling a nuclear detection physical process into a mathematical model; solving a constraint optimization problem by using a non-negative least square method; and demodulating and calculating all the pulse signals including the stacked pulses which are discarded by stacking, so as to obtain delta pulses containing energy information. According to the invention, the accumulation signal which is abandoned by a traditional accumulation abandoning algorithm is demodulated, so that the technical problem of increasing the pulse passing rate is solved, and meanwhile, heavy peaks and high-energy trailing in an energy spectrum are inhibited. Compared with an existing accumulation discarding method, the pulse passing rate effect is remarkably improved on the premise that the energy spectrum accuracy is guaranteed.

The invention discloses a brain inspiration-based multi-modal data-driven driver emotion recognition method and system. Feature extraction is performed on the face video data and the multi-source heterogeneous driving behavior data after pulse processing through a constructed pulse neural network brain-like model of a driver face video feature extraction network, a multi-source heterogeneous driving behavior feature extraction network and a multi-modal feature fusion network; and outputting a cross-modal pulse attention feature fusion result, and identifying the emotion of the driver. Experiments show that the method is remarkably superior to an existing method in the aspects of accuracy, real-time performance and robustness, and the problems that single-modal recognition accuracy is insufficient, facial video and multi-source heterogeneous driving behavior modal feature extraction is insufficient, and a modal fusion strategy is low in efficiency are effectively solved. In addition, the pulse neural network brain-like method significantly accelerates the calculation speed, enhances the anti-interference capability of the model, and provides an efficient emotion recognition solution for an intelligent driving system.

The invention provides a multi-modal pulse fusion network prediction framework for aero-engine gas path performance parameters, and belongs to the technical field of aero-engine gas path performance parameter prediction and fault diagnosis. The method comprises the following steps: firstly, acquiring flight data of an aero-engine, and preprocessing data of each sensor; secondly, constructing a multi-modal pulse fusion neural network model comprising a time sequence data pulse processing module, an image data pulse processing module, a multi-modal feature fusion module and a prediction output module; and finally, training the multi-modal pulse fusion neural network model, and predicting gas path performance parameters by using the trained model. According to the method, the leakage integration distribution spiking neuron and the attention mechanism are introduced, the depth feature extraction and fusion of the time sequence data set and the image data set are realized, the complex nonlinear correlation between the data is effectively captured, the accuracy of the prediction result is remarkably improved, and the real-time prediction requirement in the operation process of the aero-engine can be met.

The embodiment of the invention is suitable for the technical field of detection, and provides a pulse processing circuit and method, a sensor and electronic equipment, the pulse processing circuit is configured to be connected with a photoelectric detector, the photoelectric detector comprises at least one photoelectric detection unit, and the photoelectric detection unit is used for outputting a digital pulse signal for a detected single photon; the pulse processing circuit comprises a pulse response module which is connected with at least one photoelectric detection unit and is configured to output a neural network input pulse signal corresponding to the photoelectric detection unit under the condition that a digital pulse signal is received; the neural network module is connected with the pulse response module and is configured to respond to neural network input pulse signals at different moments, generate feature data and output the feature data; the feature data is used for generating a detection result. According to the embodiment of the invention, the feature data can be extracted on the premise that the digital pulse signal does not need to be stored, and the data output quantity is effectively reduced.

The invention belongs to the related technical field of laser micro-nano machining, and particularly relates to a 2.5 D micro-pattern laser machining method based on an acousto-optic deflector and a galvanometer, which is realized by adopting a laser device based on combination of an acousto-optic deflection module and the galvanometer, and comprises the following steps: in single track scanning of the galvanometer, according to a preset pulse machining sequence corresponding to a machined pattern, carrying out laser processing on the machined pattern according to a preset pulse processing sequence corresponding to the machined pattern; frequency control signals corresponding to the pulses are input into the two acousto-optic deflectors respectively, so that laser pulse distribution formed on the machined part after single-time track scanning of the galvanometer is shown as the pulse superposition number in the depth direction and the lap joint rate between adjacent pulses in the normal direction of the advancing direction of the galvanometer; the pulse superposition number of each pulse position in the depth direction reflects the processing depth of the pulse position, and the pulse number and the pulse overlap rate of each positioning position in the normal direction of the moving direction of the galvanometer are determined according to the section width and the contour radian in the width direction of a processing graph. According to the invention, the processing of any 2.5 D micro-pattern can be realized.

The invention relates to a narrow-band interference filtering method and device based on an HPLC (High Performance Liquid Chromatography) chip, and belongs to the technical field of power line carrier communication. When pulse processing is carried out on a signal, AGC / DAGC processing is paused if a narrowband interference detection starting signal is detected, a narrowband interference detection module calculates a narrowband interference frequency point by using the signal of which the AGC / DAGC processing is paused, and a filter coefficient used by a narrowband interference elimination module is determined based on the narrowband interference frequency point; and the narrowband interference elimination module carries out narrowband interference elimination processing according to the determined filter coefficient. Wherein the AGC / DAGC processed signal is paused when the signal participating in the calculation of the narrowband interference frequency point is subjected to pulse processing, so that signal fluctuation caused by AGC / DAGC processing is avoided, the calculation accuracy of the narrowband interference frequency point is improved, and the narrowband interference filtering effect is ensured.

The invention relates to a high-precision sensing device capable of being used for GIS accidental partial discharge positioning and type diagnosis. The high-precision sensing device comprises an ultrahigh frequency sensor and a data acquisition system. The ultrahigh frequency sensor is responsible for capturing weak accidental partial discharge signals generated in the GIS equipment; the captured original signal is then sent to a filtering and amplifying module and a synchronization module for hardware preprocessing, and is digitalized through a high-speed sampling assembly; the digitized mass data are transmitted to the high-performance GPU parallel computing unit, and the data are efficiently analyzed by utilizing the strong parallel processing capability of the high-performance GPU parallel computing unit. According to the invention, the equipment sampling rate is improved to a high sampling rate of 5GHz, so that the partial discharge pulse sampling interval of the GIS partial discharge monitoring equipment reaches 0.2 ns, and the sampling points and the data volume are greatly increased; gPU parallel computing is combined and utilized to greatly improve the pulse processing capacity, so that the system can effectively find and capture intermittent and accidental partial discharge signals, and the detection rate of the intermittent and accidental signals is remarkably improved.

The application discloses a cam control method and device, equipment and medium, and relates to the field of mechanical automation control. The method is applied to an FPGA, and comprises the following steps: extracting a target parameter for representing the length of a target segment sub-path from a cam table, and updating a first counter for counting the displacement of a main shaft and a second counter for counting the displacement of a slave shaft; determining the target pulse number required to be output by the slave shaft by using the counting ratio relationship between the current two counters; if the main shaft has pulse input, updating the first counter, controlling the slave shaft to output the target pulse number of pulses, and updating the second counter; judging whether the pulse processing for the target parameter is completed based on the current counting of the two counters; if not, jumping to the step of determining the target pulse number required to be output by the slave shaft by using the counting ratio relationship between the current first counter and the current second counter. The application can reduce the resource consumption of the FPGA, and enable the slave shaft to quickly respond to the input of the main shaft.

The invention discloses a narrow pulse signal processing method of a transistor in a vehicle, a storage medium and the vehicle. The vehicle comprises a permanent magnet synchronous motor, and the method comprises the steps that current information and position information of the permanent magnet synchronous motor are obtained, the current information is used for representing the state of current in the permanent magnet synchronous motor, and the position information is used for representing the state of the position where the permanent magnet synchronous motor is located in the rotating process; on the basis of the current information and the position information, duty ratio information of the transistor is determined, and the duty ratio information is used for representing the ratio of the duration of driving the permanent magnet synchronous motor by the transistor in response to the initial driving signal to the signal period of the initial driving signal; processing a narrow pulse in the initial driving signal based on the duty ratio information; and obtaining a target driving signal after the narrow pulse processing is completed, controlling the transistor to respond to the target driving signal, and re-driving the permanent magnet synchronous motor to operate. The technical problem that narrow pulse signals cannot be effectively processed is solved.

A channel between quantum controller modules (e.g., pulse processors) is operable to communicate high speed data required for processing qubit states that may be distributed across a quantum computer. The latency of the communication channel is deterministic and controllable according to a system clock domain.

The application provides a laser pulse processing method for improving corrosion resistance of white copper alloy and the white copper alloy, and relates to the technical field of material engineering. The laser pulse processing method for improving corrosion resistance of white copper alloy comprises the following steps: performing surface cleaning on the white copper alloy, then heating the white copper alloy by using a laser heater, and rapidly cooling the white copper alloy by using a cooling medium. According to the laser pulse processing method, the metal with a thickness of 1-10 microns on the surface of the white copper alloy is rapidly melted under the non-contact heating action of the laser, and then rapidly cooled under the action of low-temperature inert gas, so that an amorphous layer with a thickness of 1-10 microns is formed. The amorphous layer can protect the surface of the alloy and hinder the penetration of ions in the environment on one hand, and the amorphous layer is easy to be passivated to form a dense passivation layer, thereby improving the corrosion resistance of the alloy.

The present invention discloses an integrated single-photon detector assembly, comprising a substrate, a temperature control chip and a multifunctional integrated chip. The temperature control chip comprises a TEC chip. The multifunctional integrated chip integrates a narrow pulse processing module, an avalanche signal discrimination module and an avalanche signal coincidence module. The multifunctional integrated chip is placed above the TEC chip. The narrow pulse processing module is connected to the avalanche signal coincidence module, and the avalanche signal coincidence module is connected to the avalanche signal discrimination module. The present invention has the advantages of small circuit space occupation, low production difficulty and cost savings.

Examples are disclosed that relate to depositing carbon films using a pulsed plasma. One example provides a processing tool, comprising a processing chamber, a substrate holder, a showerhead, flow control hardware configured to connect one or more processing gas sources with the showerhead, a radiofrequency (RF) power supply configured to provide RF power to form a plasma between the substrate holder and the showerhead, and a controller configured to control the flow control hardware to introduce a flow of a carbon-containing precursor and an etchant into the processing chamber through the showerhead during a deposition process, and to control the RF power supply to pulse the plasma during the deposition process.

Systems and methods for monitoring batteries in user devices are disclosed. The user devices include mobile phones and laptops, in examples. The system includes a micro-electro-mechanical system (MEMS) ultrasound source, a MEMS ultrasound sensor, a signal drive and acquisition module (SDM), and a processor. The MEMS source and sensor are included within the user device and are disposed against the battery. The SDM configures the MEMS source to transmit an ultrasound pulse into the battery, and the MEMS sensor detects ultrasound reflected by or transmitted through the battery. The SDM collects the detected pulses, and the processor analyzes the detected pulses to determine states of the battery including a state of health, a state of charge and an instantaneous battery thickness measurement. For example, the SDM and the processor can be included within the user device, and / or the SDM and the signal processor can be incorporated into an integrated circuit.

The invention provides a traditional Chinese medicine robot diagnosis and treatment system based on a multi-modal large model, and the system comprises a pulse condition processing unit which is used for extracting pulse condition time sequence features through a hybrid network; the tongue picture processing unit is used for realizing tongue body region detection, segmentation and tongue picture feature extraction based on a two-way network; the symptom standardization unit is used for screening sound-to-text low-probability words, constructing a dynamic hot word window, performing vector comparison on the hot word window and a pinyin result thereof with a semantic vector library, acquiring candidate words, correcting the candidate words, performing natural language processing on a correction result, and acquiring a standardized symptom set; the large model core comprises a feature fusion unit, an auxiliary diagnosis unit and a treatment suggestion unit; and the user interaction module is used for being connected with the large model core, receiving user input and presenting an auxiliary diagnosis and treatment result. According to the application, quantitative acquisition and cross-modal fusion analysis are realized, a complex reasoning process is automatically completed, a structured diagnosis and treatment scheme is generated, the dialectical accuracy is high, the response speed is high, and the system is suitable for being deployed and applied in basic medical institutions.

An ultrasonic multivariable process transmitter (4) includes an ultrasonic transmitter (68) configured to transmit a pulse of input ultrasonic vibrations into a proximal surface (24) of a wall. The pulse propagates through the wall and reflects from a distal surface (32) to form a reflected pulse of output ultrasonic vibrations. An ultrasonic receiver (70) receives pulses of ultrasonic vibrations at the proximal surface (24). Processing circuitry (62) correlates the received reflected pulse of output ultrasonic vibrations with changes in the surface of the wall. The received pulses are further a function of a process variable of a process related to a process fluid in contact with a. surface of the wall. An output indicative of the process variable of the process is provided.

The invention discloses a nickel-based superalloy texture regulation and control method for metal additive manufacturing, and belongs to the technical field of metal additive manufacturing. Comprising the steps that IN718 nickel-based high-temperature alloy powder is put into a powder feeding system of laser deposition equipment, and a substrate is placed on a workbench; adjusting the distance between the nozzle outlet plane and the substrate plane; a laser is set to be in a pulse machining mode, technological parameters are set, multi-layer scanning is carried out, and a sample is obtained through deposition. By adjusting the distance between the outlet plane of the nozzle and the plane of the substrate and melting and depositing the powder material by using the pulse laser, grain orientation regulation and control are realized, the grain size is reduced, and the texture form on the cross section is changed under the condition that external auxiliary means are not used and material components are not changed.

The invention discloses a heterogeneous computing architecture for a nuclear radiation detection front end, which comprises a data acquisition unit, an FPGA (Field Programmable Gate Array) real-time signal processing unit, an MCU (Microprogrammed Control Unit) cognitive decision unit and a wireless communication and alarm unit which are in signal connection in sequence, a radiation detector of the data acquisition unit acquires a radiation signal; the FPGA real-time signal processing unit is used for preprocessing the radiation signal acquired by the data acquisition unit and adjusting the radiation detector according to the acquired radiation signal; and the MCU cognitive decision unit is used for obtaining an analysis result through a lightweight deep neural network model according to the received radiation signal, and controlling the wireless communication and alarm unit to execute corresponding actions. The micro-amp standby power consumption constraint is met, meanwhile, the contradiction between high-real-time digital pulse processing and high-precision energy spectrum long-term stability is solved, and the technical bottleneck that a complex intelligent algorithm is efficiently deployed on an MCU is solved.

An apparatus for multiphoton parallel transmission for magnetic resonance imaging (MRI) of a subject, includes a radio frequency (RF) transmit coil, a single-channel universal excitation coil positioned outside of the RF transmit coil, and a processor device coupled to the RF transmit coil and the single-channel universal excitation coil. The RF transmit coil is configured to perform at least one RF excitation pulse of a multiphoton parallel transmit excitation comprising a multiphoton excitation pulse configured to correct spatial inhomogeneities and the single-channel universal excitation coil is configured to perform a low-frequency excitation pulse of the multiphoton excitation pulse. The processor device is configured to control current waveforms provided to the RF transmit coil to perform the at least one RF excitation pulse and to control current waveforms provided to the single-channel universal coil to perform the low frequency excitation pulse of the multiphoton excitation pulse.

This invention proposes a chip architecture supporting the RISC-V instruction set and a dedicated extended instruction set for spiking neural networks (SNNs). The dedicated extended instructions for SNNs undergo a fetching, decoding, and transmission process before entering the SNN computation unit. The SNN initialization instructions enable training or inference and set the initialization voltage. Synaptic and input data are read from memory according to the pulse processing instructions in the dedicated extended instructions and processed in the pulse processing unit to obtain the update voltage required by the neurons. The neuron state is read from memory according to the neuron-related instructions in the dedicated extended instructions and enters the streamlined LIF neuron update unit to update the neurons according to the update voltage. The update result is stored in a dedicated SNN register. Synapses are updated according to the synaptic update instructions in the dedicated extended instructions. The results of the SNN computation unit are written back through a write-back stage.

According to an aspect, there is provided an apparatus for use with a treatment device for providing feedback to a user about a treatment operation performed on a body part of a subject, wherein the treatment device is configured to apply light pulses to skin of the body part to perform the treatment operation, wherein the light pulses applied to the skin treat an area of the skin. The apparatus comprises a processing unit configured to receive a first measurement signal from a first sensor, the first measurement signal comprising information about a position and / or motion of the treatment device over time; process the first measurement signal to estimate a previous treatment position as a position of the treatment device relative to the body part when a light pulse was generated for a light pulse previously applied to the body part by the treatment device during the treatment operation; estimate a previous treatment area for the previously applied light pulse based on the estimated previous treatment position, the previous treatment area corresponding to an area of the skin of the body part to which the light pulse was applied when the treatment device was at the previous treatment position; process the first measurement signal to estimate a current position of the treatment device relative to the body part; estimate a current treatment area based on the estimated current position of the treatment device, the current treatment area corresponding to an area of the skin to which a light pulse will be applied when the treatment device is at the current position; and generate a feedback control signal for a feedback unit, wherein the feedback control signal is configured to cause the feedback unit to generate feedback indicating whether the current treatment area corresponds to or substantially corresponds to the previous treatment area.

The invention discloses a multipath forming nuclear pulse processing method, which comprises the following steps of: performing filtering forming on an original pulse signal according to a trapezoidal forming method, dividing trapezoidal forming into n paths, sequentially increasing the rising time of the first path to the nth path, setting the flattop time of the first path as a minimum unit, and setting the flattop time of other paths as a fixed value L; taking the first path of filtering shaping waveform as a fast channel waveform, and taking the other paths of filtering shaping waveforms as to-be-selected shaping channel waveforms; when the rising edge of the fast channel waveform triggers an amplitude trigger threshold, taking the rising edge as a pulse and recording a trigger moment; calculating the time difference between each pulse and front and back pulses; and taking the time difference as a reference, and taking the to-be-selected forming channel waveform as a final forming channel waveform. According to the invention, a plurality of slow channels with different forming time are arranged, the channel with proper forming time is dynamically selected, and signals do not need to be discarded, so that more useful signals are obtained, and the accuracy of the signals is greatly improved.

The invention discloses a neutron counter with accumulated pulse amplitude calibration. The neutron counter comprises a charge sensitive preamplifier, a pulse processing circuit and a master control counting circuit, an electric signal output by the detector is converted into a negative exponential pulse signal through the charge sensitive preamplifier, the negative exponential pulse signal is output to the pulse processing circuit and then counted through the main control counting circuit, and a count value is obtained. The pulse shaping circuit is additionally arranged, accumulated pulse signals are decomposed, the overall pulse passing rate is improved, the amplitude of the accumulated pulses is reduced through the subtracter, and miscounting caused by amplitude superposition is greatly reduced. The neutron counter is modulated by introducing the accumulation pulse amplitude calibration technology, pulse accumulation caused by a large number of neutron events in the monitoring process of the BNCT beam field is reduced, and the influence of reduction of the pulse passing rate and pulse miscounting on the final counting value is avoided. The performance of the neutron counter can be improved to a certain extent, so that the accuracy and reliability of BNCT beam monitoring are improved.

The invention relates to a crop seed high-frequency pulse processing device and method. The crop seed high-frequency pulse processing device comprises a conveying frame. The electric rollers are rotatably mounted at the two ends of the conveying frame, the variable-frequency and variable-speed motor is mounted on the front side face of the conveying frame, the belt supporting roller is rotatably connected to the inner side of the conveying frame, the conveying belt is arranged on the surfaces of the two electric rollers in a sleeving mode, the sealing cover is arranged at the upper end of the conveying frame, and the two hanging rods are mounted on the sealing cover. The leveling assembly is mounted on the closed hood; the cabin door automatic opening and closing assemblies are mounted at openings in the left end and the right end of the closed hood; a high-intensity alternating electric field, trace ozone sterilization and full-spectrum illumination are organically combined in the closed treatment cabin, the physiological activity of seeds is activated through the synergistic effect of multiple physical fields, the water absorption and stress resistance are enhanced, the germination rate and the seedling emergence consistency are improved, and by matching with an intelligent operation interface, the seed germination efficiency is improved. One-key selection of crop types, automatic calling of processing parameters and remote monitoring of operation states are achieved, and the purpose of efficient, accurate and convenient modernized seed processing is achieved.

The application provides a standardized pulse diagnosis method based on a wearable pulse instrument, which comprises the following steps: initialization, acquisition of wrist pulse pressure data by multiple pressurizations from low to high, curve fitting, determination of a reference wave, identification of a wave trough, calculation of a single mean wave, multi-dimensional evaluation of pulse position, pulse number, pulse shape and pulse potential, etc., collection of human pulse by the wearable pulse instrument, combination of a corresponding pulse processing method, simulation of the principle of pulse wave change felt by a doctor by finger pressing in traditional Chinese medicine, simulation of artificial pressing pressure by a wristband airbag, monitoring and collection of pulse change data after pressurization by a sensor, generation of a human pulse change curve by an AI algorithm after conversion of electric signals and pressure values, and substitution of subjective judgment of artificial pulse pressing. The accuracy of artificial pulse pressing is affected by the mood of the pulse pressing person and external environmental factors, while the sensor can continuously and objectively monitor the pulse change of a patient, so that more objective pulse diagnosis data can be obtained.

The application discloses a kind of energy accumulation-oriented multi-sub-pulse structure wideband waveform generation and processing method, first utilize random phase coding signal as narrowband sub-pulse waveform construction to obtain the wideband waveform based on multi-sub-pulse structure, then utilize multi-branch pulse compression method to realize the separation of sub-pulse in the wideband echo of multi-sub-pulse structure, then utilize distance gate alignment operation, spectrum shift operation, by the echo signal is dispersed into fast time dimension matrix, design inter-pulse coherent accumulation filter matrix, realize the inter-pulse coherent accumulation of each sub-pulse waveform and the peak value alignment of each inter-pulse coherent accumulation result in Doppler dimension, finally utilize maximum contrast method to realize the phase compensation and coherent accumulation between each sub-pulse processing result.The final result of the method of the application reduces the range resolution of wideband waveform, can effectively accumulate the energy dispersed on multiple scattering points of extended target, improves the output signal-to-noise ratio of wideband waveform.

The utility model belongs to the technical field of magnetic pulse machining, and particularly relates to a confluence workbench for magnetic pulse machining, which comprises a rack, a mounting seat, a pressing mechanism, two bus bars and two wire bars, the mounting seat is fixedly arranged below the table top of the rack, and the two wire bars are fixedly arranged on the mounting seat at intervals. Two first openings are formed in the area, located above the mounting base, of the table top of the rack, an insulating component is arranged in the area, located between the two first openings, of the table top of the rack, one ends of the two busbars are correspondingly fixed to the two wire bars, and the other ends of the two busbars correspondingly stretch out along the two first openings and are located on the two sides of the insulating component. The pressing mechanism is used for driving the ends, extending out of the first opening, of the two busbars to be pressed towards the insulating component, and a clamping and fixing area of the coil connecting end is formed between the ends, extending out of the first opening, of the two busbars and the insulating component. According to the utility model, the joint of the busbar can be prevented from being damaged after long-time use, the generality is high, and the use requirements of different magnetic pulse processing requirements can be better met.

The application relates to the technical field of phase-locked loops, and particularly provides a high-reliability low-power consumption lock detector, which comprises a dead zone pulse processing unit and a lock detection maintaining unit. The dead zone pulse processing unit performs logic operation on a first signal and a second signal output by a frequency discriminator and phase detector to obtain a first decision signal; and performs logic operation on the second signal and the first decision signal to obtain a second decision signal; and the lock detection maintaining unit generates a lock decision signal for judging the lock state of a phase-locked loop based on the second decision signal. The application can always generate an effective pulse signal according to the signals output by the frequency discriminator and phase detector through logic operation, so that the dead zone problem is eliminated, the lock state of the phase-locked loop is judged according to the generated pulse signal, the decision precision of the lock detection circuit for the lock state of the phase-locked loop is improved, and the overall circuit power consumption is low.

The application discloses an air traffic control radar narrow pulse interference pulse pressure pre-post combined suppression method, which comprises the following steps: S1, saturation detection and noise accumulation are performed on original data; S2, a bearing-clutter intensity map is established, and clutter cancellation is performed; S3, anti-narrow pulse processing is performed on the pulse cancellation data and original I and Q data in the time domain; S4, step interference detection is performed on the cancellation data, and suspected interference units are marked; S5, suspected interference point confidence evaluation is performed; the confidence of the point in the suspected interference unit window is calculated, the confidence calculation is based on the eigenvalue of the point, and if the calculated confidence is lower than a preset value, the point is discarded. The method effectively solves the influence of clutter on interference detection, performs fine interference detection and suppression according to the characteristics of narrow pulse interference and asynchronous interference, and calculates the confidence of suspected interference points after point condensation, so that the influence of narrow pulse interference on point formation and track association is reduced.

The invention relates to the technical field of phase-locked loops, and particularly provides a high-reliability low-power-consumption lock detector which comprises a dead zone pulse processing unit and a lock detection maintaining unit. The dead zone pulse processing unit performs logical operation on the first signal and the second signal output by the phase frequency detector to obtain a first judgment signal; performing logical operation on the second signal and the first judgment signal to obtain a second judgment signal; the lock detection maintaining unit generates a lock decision signal for determining the locked state of the phase-locked loop on the basis of the second decision signal. According to the invention, logic operation is carried out on the signal output by the phase frequency detector, so that an effective pulse signal can be always generated according to the signal output by the phase frequency detector, the dead zone problem is eliminated, and the locking state of the phase-locked loop is judged according to the generated pulse signal; the judgment precision of the locking detection circuit on the locking state of the phase-locked loop is improved, and the overall circuit is low in power consumption.