801 results about "Pulse (signal processing)" patented technology

In a parallel pulse signal processing apparatus including a plurality of pulse output arithmetic elements (2), a plurality of connection elements (3) which parallelly connect predetermined arithmetic elements, and a gate circuit (5) which selectively passes pulse signals from the plurality of connection elements, the arithmetic element inputs a plurality of time series pulse signals, executes predetermined modulation processing on the basis of the plurality of time series pulse signals which are input, and outputs a pulse signal on the basis of a result of modulation processing, wherein the gate circuit selectively passes, of the signals from the plurality of connection elements, a finite number of pulse signals corresponding to predetermined upper output levels.

Apparatus (15, 30) and methods for performing acoustical measurements are provided having some and preferably all of the following features: (A) the system (15, 30) is operated under near-field conditions; (B) the piezoelement (40) or piezoelements (40, 48) used in the system are (i) mechanically (41, 49) and electrically (13, 16) damped and (ii) efficiently electrically coupled to the signal processing components of the system; (C) each piezoelement (40, 48) used in the system includes an acoustical transformer (42, 50) for coupling the element to a gaseous test medium (9); (D) speed of sound is determined from the time difference between two detections of an acoustical pulse (81, 82) at a receiver (40, FIG. 3; 48, FIG. 7); (E) cross-correlation techniques are employed to detect the acoustical pulse at the receiver; (F) forward and inverse Fourier transforms employing fast Fourier transform techniques are used to implement the cross-correlation techniques; in such a mathematical manner that the peak of the cross-correlation function corresponds to the detection of a pulse at the receiver and (G) stray path signals through the body (31) of the acoustic sensor (15, 30) are removed from detected signals prior to signal analysis. Techniques are also provided for performing acoustical measurements on gases whose thermodynamic properties have not been measured and on mixtures of compressible gases. Methods and apparatus (29) for performing feedback control of a gas of interest in a mixture of that gas and a carrier gas are provided in which the controlled variable is the flow of the carrier gas.

An outdoor microwave transceiver intrusion detector that alternately transmits pulses of RF energy at two different frequencies and uses range and direction of travel information derived from the phase of the two Doppler responses to optimize the signal processing and apply range dependent thresholds. The time delay between the onset of the transmitted pulse and the sample of the Doppler response is controlled to provide an accurate range cutoff. The two frequencies are selected so that the difference in phase of the Doppler response at the two frequencies increases from zero to ninety degrees as the target goes from the Transceiver to the maximum range. Digital signal processing is used to measure the difference in phase of the two Doppler responses and translate this information into location of the target. The location information is used to create a number of range bins. The response integration time and the threshold level are optimized for each of the range bins thereby minimizing the number of nuisance alarms.

An electronic endoscope apparatus including: a first endoscope having a first imaging device; and a second endoscope having a second imaging device with a different pixel density and a second drive pulse generation circuit, wherein a processor unit, which connects the two endoscopes, comprises: a first drive pulse generation circuit for driving the first imaging device, a synchronization circuit for generating a synchronizing signal synchronous with the signal of the second drive pulse generation circuit, a switching circuit for activating the synchronization circuit when the second endoscope is connected, and a signal processing circuit for processing the signals obtained by the first imaging device and for processing the signals obtained by the second imaging device based on the synchronizing signal. By this configuration, a single processor unit will suffice even when employing an imaging device with a different pixel density.

The invention relates to a full-distributed optical fiber strain and vibration sensor based on coherent heterodyne detection, which comprises a laser (1), a coupler, a pulse modulation module, a programming gain amplifier (4), an optical amplifier, a circulator (6), a sensing fiber (7), a polarization-preserving fiber (8), the coupler, a balancing photoelectric detector (10), a reversal switch, a mixer, a microwave source, a band-pass filter, and a signal processing unit, wherein the continuous light output by the laser (1) is divided into two paths after passing through the coupler (2); an output end of the balancing photoelectric detector is connected to the reversal switch; the reversal switch is switched to a channel 1 and a channel 2; when the channel 1 is switched on, the system utilizes the Brillouin optical fiber time domain reflection to measure; and when the programming gain amplifier (4) is closed and the channel 2 is switched on, the system utilizes the polarization optical time-domain reflection to measure. By using the full-distributed optical fiber strain and vibration sensor provided by the invention, the full-distributed measurement for strain as well as the weak vibration and the full-distributed measurement for vibration can be performed on a single optical fiber.

An alarm chip (10) and the use of the alarm chip (10) for giving warning of burglary or undesired entry into buildings, installations or structures, preferably by so-called shell-protection of the building, installation or structure, the alarm chip (10) detecting, by means of an associated accelerometer, motions / vibrations in the object to which the alarm chip (10) is fixedly arranged, the object being formed of e.g. a window (2), a door, possibly a frame or casing connected to the window (2) or door, wherein the motions / vibrations are converted by means of the accelerometer into an outgoing flow of acceleration values, which are further processed, by means of a processor in a signal processing circuit, in which, by means of algorithms, the acceleration values are recognized and separated into either output alarm signals or output non-alarm signals, and in which output signals may be coded / encrypted, so that each alarm chip (10) has i.a. a unique address and identity, and in which the signals are possibly also output in the form of signal pulses, preferably in a so-called pseudo-random order, the output signals being transmitted, preferably in a wireless manner, to at least one central and / or external alarm unit / alarm system arranged to the building, installation or structure.

The invention discloses a comprehensive collection method and a device with three-state data of electrical parameters: steady state, fault recorder data and dynamic data, and the device is characterized in that the device consists of a high-precision time synchronization module, a synchronous sampling pulse module, an alternating current signal conditioning module, an A / D sampling module, a direct current signal conditioning module, a voltage frequency conversion module, a switch quantity signal conditioning module, a signal processing module, a recording module and a high-speed network communication module, etc. The method and the device have the advantages that: the use of the high-precision time synchronization module and the high-performance signal processing and the communication technologies can realize the synchronous collection of the three-state data of the electrical parameters, complete the functions of monitoring, fault recording, phase angle measurement and power quality analysis, etc., improve the data processing capability and the sampling precision, improve the real-time property of an automatic system of a substation, simplify the design, the manufacture and the operation of secondary equipment of the automatic system of the substation and greatly reduce the construction cost and the maintenance cost of the substation.

Apparatus and methods for performing acoustical measurements are provided having some and preferably all of the following features: (1) the system is operated under near-field conditions; (2) the piezoelement or piezoelements used in the system are (a) mechanically and electrically damped and (b) efficiently electrically coupled to the signal processing components of the system; (3) each piezoelement used in the system includes an acoustical transformer for coupling the element to a gaseous test medium; (4) speed of sound is determined from the time difference between two detections of an acoustical pulse at a receiver; (5) cross-correlation techniques are employed to detect the acoustical pulse at the receiver; (6) fast Fourier transform techniques are used to implement the cross-correlation techniques; and (7) stray path signals through the body of the acoustic sensor are removed from detected signals prior to signal analysis. Techniques are also provided for performing acoustical measurements on gases whose thermodynamic properties have not been measures and on mixtures of compressible gases. Methods and apparatus for performing feedback control of a gas of interest in a mixture of that gas and a carrier gas are provided in which the controlled variable is the flow of the carrier gas.

In a method and a corresponding apparatus for performing chaotic optical time domain reflectometer, the chaotic laser signal, generated by the chaotic laser transmitter, is split into probe signal I and reference signal II by a fiber coupler. Through an optical circulator, the probe signal I is launched into the test fiber and the echo light is converted into electrical signal by a photodetector and digitalized by an A / D converter. The reference signal II is converted into electrical signal by a photodetector and digitalized by another A / D converter. Two digital signals received from two A / D converters are correlated in a signal processing device to locate the exact position of faults in fibers. The result output is then displayed on a display device. This invention was developed to overcome the tradeoff between resolution and dynamic range of the pulse-based OTDR. This method can improve the dynamic range and spatial resolution significantly; enhance the anti-jamming capability and noise tolerance. Also it has merits of simple structure and lower cost.

An outdoor microwave transceiver intrusion detector that alternately transmits pulses of RF energy at two different frequencies and uses range and direction of travel information derived from the phase of the two Doppler responses to optimize the signal processing and apply range dependent thresholds. The time delay between the onset of the transmitted pulse and the sample of the Doppler response is controlled to provide an accurate range cutoff. The two frequencies are selected so that the difference in phase of the Doppler response at the two frequencies increases from zero to ninety degrees as the target goes from the Transceiver to the maximum range. Digital signal processing is used to measure the difference in phase of the two Doppler responses and translate this information into location of the target. The location information is used to create a number of range bins. The response integration time and the threshold level are optimized for each of the range bins thereby minimizing the number of nuisance alarms.

The invention relates to a traditional Chinese medical science pulse-taking instrument, which comprises a flexible body, a flexible pressure sensor array, an air bag, a signal processing system and a connecting structure; the flexible body is used for arranging the flexible pressure sensor array and the air bag; the air bag covers the side, far away from a wrist, of the flexible pressure sensor array; the connecting structure is used for fixing the flexible body at the wrist of a user. According to a pressure signal collected by the flexible pressure sensor array at the area of the radial styloid process of the wrist, the signal processing system determines the position of the highest point of the radial styloid process, and by combining the position of the highest point of the radial styloid process and a pressure signal collected by the flexible pressure sensor array at the area of a radial artery vessel of the wrist, the positions of Cun-Guan-Chi pulse points are finally determined. The invention further relates to a method for determining the Cun-Guan-Chi positions by using the pulse-taking instrument. The traditional Chinese medical science pulse-taking instrument can automatically search for Cun-Guan-Chi pulse points, and the degree of accuracy, repeatability and usability of the traditional Chinese medical science pulse-taking instrument are improved.

The invention discloses an electrical stimulation rehabilitation device on the basis of feedback control on angle information and electromyographic signals. The device comprises a plurality of groups of electrical stimulation channels, an electromyographic signal processing module, an angle transmission module, a controller and an electrical stimulation output module, wherein each group of electrical stimulation channels comprises a plurality of electrode plates arranged on the same muscle; the electromyographic signal processing module is used for extracting characteristic values of electromyographic signals acquired by the electrode plates; the angle transmission module is used for detecting a motion angle value of a lower limb; the controller is used for determining muscle stimulation positions and stimulation parameters in a next step according to the motion angle value of the lower limb, amending the stimulation parameters according to the characteristic values of the electromyographic signals and generating electrical stimulation pulses; the electrical stimulation output module is used for outputting the electrical stimulation pulses to the corresponding electrode plates. The invention also discloses an electrical stimulation method on the basis of the feedback control on the angle information and the electromyographic signals. According to the invention, not only is closed-loop control of electrical stimulation implemented, but also effectiveness of the stimulation on muscles is sufficiently considered, the stimulation effect is always in an optimal state, muscle fatigue is effectively reduced, and electrical stimulation rehabilitation training time is prolonged.

The invention discloses a fiber bragg grating sensing method and system based on a wavelength-division multiplexing multichannel output time-domain address finding technology. A controlled light source is provided and outputs light wave signals which are scanned by wavelengths. The light wave signals are coupled with a coupler after being subjected to bragg reflection. Finally, the light wave signals are converted to electric pulse train signals and transmitted to a delay control switch array after being amplified, and the electric pulse train signals are distributed and output in sequence among output channels of the delay control switch array through the delay control switch array, so that time-domain address finding is realized. With the help of wavelength scanning and selective conduction of an analogue electronic switch array, a wavelength-division multiplexing signal processing technology is organically combined with the time-domain address finding technology, therefore, a demand of an optical distance interval between adjacent sensing elements in an ordinary time-domain address finding technology is converted into a demand of a wavelength interval, so that the dependence on accessing a delay optical fiber between the adjacent sensing elements is avoided.

The invention provides a few-mode fiber mode coupling measurement device based on a two-photon lantern and a few-mode fiber circulator and belongs to the technical field of fiber characteristic measurement. The few-mode fiber mode coupling measurement device is composed of a light source, a photon lantern A, a few-mode fiber circulator, a measured fiber, a photon lantern B, a photoelectric detection module and a signal processing module. An optical pulse signal generated by the light source is subjected to spatial mode conversion through the photon lantern A to output a designated single stimulus mode, combined with the single-way transmission characteristics of the few-mode fiber circulator, the stimulus mode enters the measured fiber through the few-mode fiber circulator, a backward Rayleigh scattered light generated by coupling the stimulus mode in the measured fiber and the stimulus mode to the non-stimulus mode enters the photon lantern B through the few-mode fiber circulator for spatial model demultiplexing and being output from a corresponding mode port, and the output backward scattered light of each path is subjected to photoelectric detection and data processing, so that the measurement of the few-mode fiber mode coupling coefficient is achieved.

Methods and apparatuses for reducing the response time along with increasing the probability of ranging of optical rangefinders that digitize the signal waveforms obtained from the pulse echoes returned from various types of objects to be ranged, the pulse echoes being too weak to allow successful ranging from a single waveform or the objects being possibly in motion during the capture of the pulse echoes. In a first embodiment of the invention, the response time at close range of a digital optical rangefinder is reduced by using a signal averaging process wherein the number of data to be averaged varies with the distance according to a predetermined function. In a second embodiment of the invention, the probability of ranging objects in motion along the line of sight of a digital optical rangefinder is increased and the object velocity measured by performing a range shift of each acquired signal waveform prior to averaging. In a third embodiment of the invention, the signal waveforms acquired in the line of sight of a digital optical rangefinder are scanned over a predetermined zone and range shifted and averaged to allow for early detection and ranging of objects that enter in the zone.

The invention discloses a distributed fiber sound wave detection apparatus and method based on wave beam formation. The apparatus comprises a light source, a 1*2 coupler, a control and signal processing unit, an arbitrary waveform generator, a double-channel parallel Mach-Zehnder electro-optical modulator, a reference arm fiber, an erbium doped fiber amplifier, an optical filter, an annular device, a front-end reflector, a reference length fiber, a rear-end reflector, a sense fiber, a 90-degree optical mixer, and a balance detector. The method includes the steps: injecting signal light into the sense fiber, the signal light being modulated to be light pulses with a fixed frequency on a lower side and a sweep frequency on an upper side; mixing the returned signal light carrying light phase information and light frequency spectrum information of detecting points with local reference light; demodulating the light phase information and the light frequency spectrum information, and obtaining the frequency, amplitude and phase information of sound waves in the detecting points in the sense fiber; and finally calculating the position, intensity and frequency information of sound sources. The sensing function and the transmission function of a fiber are combined into one function. Therefore, the distributed fiber sound wave detection apparatus and method have the advantages that the detecting point scale is hundred times higher than that of the prior art.

Disclosed herein is a new and improved non-invasive bed sensing system for detecting and monitoring physiological movements such as heartbeat and respiration. The system may employ a hydraulic fluid to transduce the physiological pressures to an integrated pressure sensor and a new and improved signal processing method to identify individual cardiac pulses from the electronic signals generated by the hydraulic transducer. The system provides increased sensitivity capable of capturing quantitative pulse and respiration rates with subtle changes, ability to distinguish between instances of low pulse rate and shallow breathing, and improved comfort over existing system.

The invention discloses a SAW (surface acoustic wave)-based passive temperature tag which comprises a substrate, an interdigital transducer, a tag antenna, a temperature reflecting grating and an ID (identification)-tag reflecting grating. The ID tag reflecting grating is used for identifying the detected objects by the SAW on the reflecting substrate, and the substrate is provided with the interdigital transducer used for take charging to the electro-acoustic conversion of signals. According to the SAW-based passive temperature tag, a transmitting and receiving antenna is used for transmitting and receiving radio-frequency signals, the ID-tag reflecting grating is used for identifying the detected objects by the SAW on the reflecting substrate, and the temperature reflecting grating is used for measuring temperature by the SAW on the reflecting substrate. A reader is used for reading the ID information and the temperature data which are stored in the passive temperature tag, and the data is processed in an intermediate-frequency signal processing plate. With regard to the determination of the position of the echo baseband pulse signals, the centroid position replaces the peak position, therefore, the amount of computation is reduced, and the precision is improved.

Provided in the invention is a method for detecting a solid-state laser radar device. The method comprises: one single laser light source in an array laser device in a transmitting module works to emit detection light; step two, one column corresponding to the single laser light source working in the previous step in an array photoelectric sensor works; step three, the working column in the arrayphotoelectric sensor receives detection light reflected by a detected object; step four, a signal processing module reads electrical signal information received by the working column in the array photoelectric sensor, a signal processing module compares detection light emitted by the transmitting module with the detection light reflected by the detected object and received by the column in the receiving module to obtain a time difference, and a distance value is calculated based on a pulse flight time method; and step five, the previous four steps are repeated; a main control module controls different single laser light source in the array laser device to work when the step one is repeated each time; after each of all single laser light sources in the array laser device in the reflection module works at least once, one-frame point cloud distance data detection of the solid-state laser radar device is completed.

The invention relates to a photon under-sampling system and method for microwave frequency spectrum measurement. The system comprises a narrow-line-width light source, an optical pulse generating unit, an optical sampling unit, a photoelectric detection unit, an analog-digital conversion unit and a signal processing unit, wherein the optical pulse generating unit is used for carrying out analog modulation on an optical carrier wave generated by the narrow-line-width light source by using a radio-frequency source with a frequency delta f to generate an optical pulse string with a repetition frequency delta f, and an optical spectrum of the optical pulse string is an optical frequency comb with a comb tooth interval delta f; the optical sampling unit is used for carrying out optical samplingon a microwave frequency spectrum signal input through a microwave signal input port by utilizing the optical pulse string, so that the microwave frequency spectrum signal is up-converted to the optical frequency comb; and then measurement information of a to-be-measured microwave frequency spectrum is obtained through the photoelectric detection unit, the analog-digital conversion unit and the signal processing unit. The optical pulse string with the rate far smaller than the Nyquist rate is used for carrying out optical sampling on the broadband microwave signal, without the bandwidth limitation of a high-speed electronic device.

The invention discloses a non-contact oxyhemoglobin saturation measuring device based on an imaging device. The device is mainly used for measuring non-contact oxyhemoglobin saturation. The device is composed of a video collecting unit, a signal processing unit and an oxyhemoglobin saturation result displaying unit. The video collecting unit is composed of two CCDs and a video image collecting card which is connected with the CCDs through a data line, wherein the CCDs are located before the human face and are provided with optical filters with different wave sections. The signal processing unit is composed of a PC host machine or a high-speed signal processing circuit. The video information including the human face is collected through the video collecting unit and is transmitted to the PC host machine or the high-speed signal processing system through the data line to be processed in a data mode, pulse waves can be drawn by calculating the change of grey average, in a time domain, of the human face area in a video image, and an oxygen saturation value can be obtained by calculating the two pulse waves with the different wave sections. The calculated result is displayed on the displaying unit through the data line.

An electronic device including an array of addressable registers storing data. An input register connected to the array stores an input command parameter (e.g an opcode of a command) and its associated operands in one or more input registers connected to the addressable register array. A single instance of a command accesses the at least one register of the array. Based on the input command parameter, the command for all of the address operands: reads a datum of the data previously stored in at least one register, updates the datum thereby producing an updated datum, and writes the updated datum into at least one register. The command has multiple address operands referencing the one or more registers and supports two or more of the address operands being identical. The device includes logic circuitry which provides a logical output signal to the processing circuitry indicating which, if any, of the address operands are identical. The processing circuitry based on the logical output, processes first any identical address operands prior to writing the updated datum into the at least one register so that a new instance of the command begins processing by the processing circuitry on a consecutive clock pulse and the command throughput is one command per clock pulse.

The invention provides a rotor displacement measurement device and method for a planer motor. According to the method, two sets of magnetic flux density sensors are respectively and uniformly distributed in a field pole polar distance tau in two mutually perpendicular moving directions of a sine magnetic field area formed by a stator magnetic steel array on the planer motor, sampled signals of the four sets of sensors are subjected to frequency multiplication operation by a signal processing circuit respectively to obtain four subdivided signals, zero crossing points of the four subdivided signals are detected to generate two orthogonal pulse signals, pulses of the two orthogonal pulse signals are counted respectively and the phase differences of the two orthogonal pulse signals are detected respectively. According to the invention, based on the magnetic field information of the planar motor, the magnetic field space tau is subdivided to realize the long-travel high-accuracy rotor displacement of the planar motor. Through adoption of the device and method disclosed by the invention, the problems caused by the requirements of long travel and high accuracy that calculation methods are complicated or hardware is inconvenient to install and the total cost of a measurement device is high can be solved.

The invention relates to the technical field of medical equipment and aims at providing a multipath pulse condition detection system capable of being well contacted with a flexible organization and drawing a pulse width and pulse wave three-dimensional conduction topographic map. The technical scheme is that a multipath pulse condition detection device based on a flexible array sensor is composed of the flexible array sensor, a pressure control device, a signal processing module, a signal collection module and a computer. The flexible array sensor is formed by correspondingly connecting flexible array pulse transducers and air pressure sensors one to one. The flexible array pulse transducers are made of silica gel and are horizontally arranged in a plurality of paths, the cross section of a cavity of each path of flexible array pulse transducer is round, and the periphery of each cavity is isolated through the silica gel. The pressure control device is used for leading the flexible array sensor to be tightly contacted with a flexible organization by increasing pressure. The air pressure sensors are sequentially output to the signal processing module, an analog-digital converter and the computer. The multipath pulse condition detection device based on the flexible array sensor is mainly applied to pulse condition detection.

The invention discloses a power cable fault location method based on a transfer function method, which particularly comprises that, the transfer function method obtains fault information of power cables by multiple inputs of voltage signals, the fault information includes calibrating signals and test signals, a transfer function of a circuit calibrating equivalent model is found through related technologies of signals and signal processing, original pulse is regarded as input signals in the equivalent model, reflected pulse is regarded as output signals, and the transfer function of the equivalent model is obtained. Wave speed and power cable length are known, so that fault locations of power cables are determined. The method for treating the fault information is low in cost and convenient to operate, and accurate location is achieved through related algorithm.

The invention provides a quantum bit frequency control signal processing method and a device, a superconducting quantum chip and a storage medium. The method comprises the following steps: configuringa first square wave pulse for a target quantum bit; when the end time of the first square wave pulse reaches a first time threshold, controlling the target quantum bit to rotate around the Y axis fora first target distance; when the end time of the first square wave pulse reaches a second time threshold, performing quantum tomography measurement on the target quantum bit to determine the state of the target quantum bit; performing a quantum tomography measurement result based on the target quantum bit, and determining a distortion amount of a frequency control signal of the target quantum bit; adjusting the frequency control signal based on the distortion amount of the frequency control signal of the target quantum bit; therefore, not only can the distortion of the superconducting quantum bit frequency control signal be measured, but also the control circuit can be corrected by utilizing the property of the measured transfer function, so that the rapid frequency offset of the bit canbe realized.

A system for precisely measuring muzzle exit velocity of a “muzzle loaded” mortar projectile fired from a mortar tube using two back-biased Hall effect sensors for projectile gas ring channel detection. The system includes a back-biased Hall effect sensor block, a digital resolver electronic circuit and a computer software interface. The back-biased Hall effect sensors are located in a calibrated sensor block attached to a mortar tube. As the projectile metal casing passes a face of the sensors, the sensors trigger and release, providing two electronic pulses. The pulse edges are captured in the resolver electronics, containing a discriminator circuit for filtering all input pulses to distinguish between a projectile loading event and a projectile firing event. Once a valid firing event is detected, an output of precision timers is presented serially to a computer where it is processed and displayed by a computer software interface.

The invention discloses a safety monitoring system of a long-distance pipeline, comprising a transmitted and received light signal processing module 1, a light delay component 2, a single-line optical fiber 3 and a nonlinear optical environment 4 with a probing blind area, which are all formed into a variant-type optical fiber Sagnac interferometer. A polarization control element is used for ensuring the maximum interference intensity, and at least three wavelengths and three coherent light pulse signals are used for independently obtaining data to inhibit noise produced by the light source fluctuation and the polarization state change. The preservation time of A / D sampling is greater than the value of a pulse width, and the A / D sampling frequency is greater than the light source repetition frequency. A probe completely transforms each returned coherent light pulse so that an electric signal is undistorted. A single detection system has no relay to detect the distance of over 100 km.

A pulse accumulation event real-time processing method includes the steps of generating a fitting baseline value look-up table and a fitting energy value look-up table of a pulse falling edge, completing the recognizing of accumulated pulses and the triggering of the pulse signal processing process through a multi-voltage threshold value sampling method, obtaining information of a part not correctly sampled due to pulse accumulation through pulse prior information and collected pulse information in the form of the look-up tables, and completing real-time recovery of accumulated pulse information. The recognizing of high-counting-rate lower accumulated pulses and the triggering of the pulse signal processing process are completed through the multi-voltage threshold value sampling method, the information of the part not correctly sampled due to pulse accumulation is obtained through pulse prior information and collected pulse information in the form of the look-up tables, and the real-time recovery of the accumulated pulse information is completed. The method is simple and efficient and can be easily implemented on a detector-level real-time data collecting system, and an excellent accumulated pulse information recovery effect can still be achieved under the condition of a low sampling rate.