93results about "Radiation particle tracking" patented technology

The invention discloses a BNCT dose calculation method, which comprises the following steps: S1, constructing a voxel model, initializing one or more particles in a simulation system, and respectively acquiring the initial position, energy and movement direction of each particle; s2, adaptively selecting a Monte Carlo particle tracking algorithm and a flux counting mode based on the region where the particles are located and the energy of the particles; s3, repeating the step S2 until the particles leave the simulation system or are killed when meeting a truncation condition; and S4, cumulatively calculating dose distribution. Through the BNCT dose calculation method, the Monte Carlo particle transport simulation time is greatly shortened, the BNCT dose calculation efficiency is optimized, and the method is suitable for rapid and high-precision radiation dose simulation under a BNCT complex tissue structure.

The invention is suitable for the technical field of biological materials, and provides an embryo heavy ion track acquisition method based on a biological stack, and the method comprises the steps: carrying out the preprocessing of an initial biological stack, obtaining a target biological stack, obtaining an initial scanning image of the target biological stack, and scanning the target biological stack, and obtaining an initial scanning image of the target biological stack; marking the initial scanning image for the first time based on the central position of the seed embryo to obtain a target scanning image; fitting the target scanning image with the detection sheet of the target biological stack to obtain an initial fitting piece, and marking on the non-contact surface of the initial fitting piece for the second time according to the central position of the embryo to obtain a target fitting piece; scanning the target fitting piece through a preset laser confocal microscope to obtain an imaging picture of the seed embryo, and cutting an actual projection of the seed embryo on a preset projection contour based on the imaging picture and the central position of the seed embryo in the imaging picture; and identifying the heavy ion track of the seed embryo according to the actual projection.

A detector system for molecular imaging of a radionuclide comprises a 3D semiconductor detector comprising a plurality of sensor stacks of sensors made of a semiconductor material having an average atomic number Z below 40. A read-out circuitry connected to the pixels is configured to output, for each interaction induced by an incident gamma ray in the detector, a signal representative of a time, a position and an energy of the interaction in the detector. The interactions in the detector belonging to a same event induced by the incident gamma ray are predicted based on the output signals and used to estimate a direction of the incident gamma ray and reconstruct an image based on the estimated directions of incident gamma rays.

The invention discloses a muon monitoring device and a tunnel monitoring method thereof.The muon monitoring device comprises multiple layers of muon detection modules which are arranged in a laminated mode in the height direction, and each layer of muon detection module comprises a shell, a scintillator array, an optical reflection shielding layer, a front-end signal processing plate and a signal leading-out plate, and the scintillator array, the optical reflection shielding layer, the front-end signal processing plate and the signal leading-out plate are arranged in the shell; the scintillator array is arranged between the optical reflection shielding layer and the front-end signal processing board, and the front-end signal processing board of the muon detection module on the upper layer and the optical reflection shielding layer of the muon detection module on the lower layer of two adjacent layers are arranged oppositely, the scintillator array comprises a plurality of scintillator units arranged in a two-dimensional matrix mode, a photomultiplier is arranged at the bottom of each scintillator unit, the photomultipliers are fixedly installed on the front-end signal processing board, and the front-end signal processing board is in signal connection with the signal leading-out board arranged at the edge of the scintillator array.

The invention discloses a muon track reconstruction method and imaging method based on a muon detector, and the method comprises the following steps: S1, according to the numbers of a first scintillator, a second scintillator and a third scintillator hit by the muon in any muon breakdown event, determining the number of the first scintillator, the number of the second scintillator and the number of the third scintillator; determining azimuth angles of the first scintillator, the second scintillator and the third scintillator hit by the muon; s2, according to the azimuth angle of the first scintillator hit by the muon, the x-axis coordinate value and the y-axis coordinate value of the incidence point and the emergence point of the muon are determined; according to the azimuth angle of the second scintillator hit by the muon and the azimuth angle of the third scintillator hit by the muon, respectively determining z-axis coordinate values of an incidence point and an emergence point of the muon; and S3, determining the track of the muon according to the x-axis coordinate value, the y-axis coordinate value and the z-axis coordinate value of the incidence point and the emergence point of the muon. Compared with the prior art, the method has the advantages that the accuracy of z-axis positioning is remarkably improved while high detection efficiency is kept, so that the accuracy of muon track reconstruction and ore body imaging is improved.

The invention discloses a muon detector with variable scintillator spacing, which comprises a supporting base, and a bottom plate is arranged at the upper end part of the supporting base; the lower-layer detection part is fixedly arranged at the end part of the bottom plate, a multi-stage mechanical telescopic mechanism is arranged on the bottom plate, and an upper-layer detection part is arranged at the end part of the multi-stage mechanical telescopic mechanism; the main control data acquisition system is electrically connected with the multi-stage mechanical telescopic mechanism, the upper-layer detection part and the lower-layer detection part, and is used for setting and acquiring a distance value between the upper-layer detection part and the lower-layer detection part; and calculating according to the collected real-time spacing value, and performing corresponding data correction and image reconstruction according to the effective detection range and the optimal detection area under the current configuration. According to the method, the spatial resolution and the counting rate can be dynamically adjusted, so that the performance limitation caused by a fixed spacing design is broken through, and the comprehensive efficiency in a complex detection task is remarkably improved.

The invention discloses a negative muon-based three-dimensional imaging method and system. The method comprises the following steps: S1, emitting a negative muon beam; s2, determining the position of an interaction point of the negative muon in the to-be-imaged sample according to the position of the emergence point, the emission direction unit momentum vector of the negative muon and the movement distance of the negative muon in the emergence direction; and S3, performing three-dimensional imaging on the to-be-imaged sample according to the position of the interaction point in the to-be-imaged sample. Due to the adoption of the technical scheme, compared with the prior art, the method has the advantages that the calculation precision of the three-dimensional reconstruction point is remarkably improved by combining the emergent position and the movement track information of the negative muon, and the problem of insufficient imaging depth in the prior art is effectively solved. And secondly, through a regionalization imaging technology, three-dimensional reconstruction points are divided according to regions, and point density threshold optimization is combined, so that noise interference is effectively reduced, and imaging precision and image definition are remarkably improved.

The invention discloses a muon detector. A steel frame seat, a power supply, a muon receiving converter and a data receiving and processing device are arranged in a shell; the muon receiving converter is mounted on the steel frame seat and comprises a platy scintillator and a photomultiplier plate wrapping one surface of the scintillator; the data receiving and processing device comprises a trigger device, the front end of the trigger device is connected with a photomultiplier through a preamplifier, the rear end of the trigger device is connected with an analog-to-digital converter and a time-to-digital converter, and the analog-to-digital converter and the time-to-digital converter are connected with the central processing unit through data lines. A buffer memory is arranged on a connecting line of the analog-to-digital converter and the central processing unit; the power supply supplies power to the muon receiving converter and the data receiving and processing device through cables; and a display screen connected with the central processing unit is arranged on the shell. According to the invention, rock stratum changes and secondary disasters can be monitored in real time, dynamic and accurate three-dimensional data are provided for rescue workers, it is ensured that a rescue channel can be constructed quickly and effectively, and a rescue scheme can be adjusted in real time.

The invention provides a muon detector scintillator self-checking method, and relates to the field of muon detectors, and the method comprises the steps: constructing a muon scintillator self-checking model, and determining the number of actually measured muons through the muon scintillator self-checking model; introducing a solid angle correction factor, and correcting the actually measured muon number to obtain a geometrically corrected muon number; and calculating an average value and a variance of the muon number after geometric correction, and obtaining a scintillator self-inspection result of the muon detector in combination with an anomaly evaluation function. The technical scheme of the invention is suitable for health monitoring in the field long-term detection operation process of the scintillator, and can find the abnormality of the scintillator in time, thereby avoiding the waste of detection time, and improving the reliability of data.

A method for operating a medical imaging system, comprises: generating a beam of particles; steering the beam of particles through a first tracking detector, an object, a second tracking detector and into a residual range detector; collecting tracking data from a first light detector, wherein the first light detector is coupled to the terminal ends of the bundled first scintillating fibers of the first tracking detector, collecting tracking data from a second light detector, wherein the second light detector is coupled to the second tracking detector, wherein the tracking data from the first light detector and the tracking data from the second light detector represent a trajectory of the beam of particles through the first tracking detector and through the second tracking detector; collecting energy data from the at least one photon detector, wherein the energy data represents energy loss of the beam of particles traversed through the object; and generating an image of the object based on the tracking data and the energy data.

The invention discloses a method for calculating an inter-satellite cross calibration coefficient according to particle phase space density correlation characteristics. The method comprises the following steps: obtaining particle flux sequences of a standard satellite A and a to-be-calibrated satellite B; respectively calculating a corrected third adiabatic invariant and a corrected second adiabatic invariant of the satellite A and the satellite B under a T89c external magnetic field model, and calculating the local magnetic field intensity; performing uniform grid division on the time and the third adiabatic invariant, and performing logarithmic uniform grid division on the first adiabatic invariant and the second adiabatic invariant; solving a local throwing angle and energy in the grid; points with data in the same grid are screened out, and the particle phase space density of the A star and the particle phase space density of the B star are obtained respectively; calculating a particle phase space density mean value in the grid; respectively establishing particle phase space density matrixes of the satellite A and the satellite B; and screening out points with data in the same grid of the particle phase space density matrixes of the two satellites, and calculating to obtain a cross calibration coefficient of the satellite B.

To provide a user-friendly cloud chamber for observing a radiation ray.SOLUTION: In a cloud chamber 100, a steam supply device 250 supplies steam 204 to an observation room 202, the supplied steam 204 in the observation room 202 is cooled to form a supersaturation steam layer 206, and a track of a radiation ray passing through the supersaturation steam layer 206 is observed. In the cloud chamber 100, a cooling box 310 that includes a cooling plate 312 having a plurality of cooling plates 330 for cooling the steam 204 in the observation room 202 is provided, a mixture of generated dry ice 304 generated from liquefied carbon dioxide 384 and gaseous carbon dioxide is introduced into the cooling box 310, the generated dry ice 304 is accumulated in a passage formed by the plurality of cooling plates 330, and the accumulated generated dry ice 304 cools the steam 204 in the observation room 202 via the cooling plate 312.SELECTED DRAWING: Figure 1

This invention discloses a muon detector and a muon localization method and track reconstruction method, comprising a first scintillator layer, a second scintillator layer, and a third scintillator layer. The first scintillator layer includes multiple annular first scintillators stacked vertically in a cylindrical shape. The second scintillator layer includes multiple elongated second scintillators spirally and tightly wound around the outer wall of the first scintillator layer. The third scintillator layer includes multiple elongated third scintillators extending vertically, distributed circumferentially along the outer wall of the second scintillator layer. Compared with the prior art, this invention can improve the axial positioning accuracy of the muon detector, increase the detection range, and shorten the imaging time without increasing the complexity of the muon detector. Furthermore, it can perform geometric consistency discrimination for false triggering, crosstalk, or inconsistent combination events, thereby improving positioning stability and reliability.

A novel method and a related system are configured to place measured trajectories into a voxel space, which moves with respect to a particle detector system. The trajectories are measured in a detector reference frame. The voxel space, typically fixed with respect to the object being imaged, is tracked optically with markers and a camera system. A decipherable correlation is established between a set of markers and a set of detector elements. This correlation provides coordinate transformation definitions to place the trajectories into the voxel space in medical imaging, treatment planning, and / or therapeutic applications. The novel method provides a clever process to register an optical tracking system with a particle detector system, which improves quality assurance, accuracy, speed, and operating cost efficiencies of ion, particle, and / or radiation-based imaging, treatment planning, or therapies. This novel method may be utilized in proton imaging, helium imaging, other ion-based imaging, or x-ray imaging.

The application provides a synchronous accelerator multi-harmonic beam trajectory reconstruction method and system, and relates to the technical field of accelerators. The method comprises the following steps: obtaining an accelerating cavity high-frequency signal of the synchronous accelerator, so as to generate a frequency-synchronized reference waveform according to the accelerating cavity high-frequency signal; setting a phase trigger window based on the reference waveform, so as to control the synchronous acquisition of beam signals of a full ring of the synchronous accelerator by a beam diagnosis device of the full ring; performing time domain analysis on the beam signals to obtain an effective beam signal interval, so as to calculate position data of the beam signals based on the effective beam signal interval; and reconstructing the motion trajectory of the beam according to the position data of the beam signals, which can accurately identify and associate the data of the same beam in the multi-harmonic acceleration process.

Disclosed is a detector unit for tracking high energy particles, which has a first panel having a first surface, a second surface and a first support member. The detector unit also has a second panel having a first surface, a second surface and a second support member. The detector unit further includes a plurality of first fibres and a plurality of second fibres. The first panel is stacked upon the second panel such that second surface of first panel and second surface of second panel are facing each other. The plurality of first fibres and the plurality of second fibres have two or more layers of first fibres and second fibres, respectively, arranged in an interlocking manner in a first set and a second set of parallel grooves of the first panel and the second panel, respectively.

The application belongs to the technical field of space plasma environment detection, and particularly relates to a device and method for measuring particle composition and incident direction, which comprises: a detection unit array, which is respectively provided with a plurality of independent charge input channels in an inner circumferential direction and an outer circumferential direction; each charge output channel is used for outputting different initial charge pulse signals in the inner circumferential direction and different terminal charge pulse signals in the outer circumferential direction after a space charged particle is incident at an incident angle, and delay and amplification are performed respectively; and a back-end circuit analysis processing module, which is used for obtaining actual time of flight and actual incident azimuth angle time of the charged particle according to different initial pulse signals and terminal pulse signals collected for each charge output channel, obtaining the composition of the charged particle according to the obtained actual time of flight of the charged particle, and obtaining the actual incident azimuth angle of the charged particle according to the actual incident azimuth angle time.

The invention relates to an intelligent pipeline detector based on a positron emission particle tracer technology and a detection method, and the pipeline detector comprises a tracer particle putting module which is used for quantitatively putting tracer particles into a pipeline; the positron camera module is used for collecting positron pair annihilation events released by the tracer particles in a preset time window and generating multiple pieces of coincidence response line data; the tracer particle positioning module is used for calculating a midpoint between the data conforming to the response line, performing weighted aggregation to obtain an approximate intersection point set, and performing weighted clustering processing on the approximate intersection point set to obtain a final estimated position of the tracer particle; and the pipeline state visualization module is used for performing line connection according to the final estimated positions of the tracer particles to form a track curve of each tracer particle, comparing the track curve with the pipeline boundary image, identifying an abnormal area and performing visual display. According to the invention, the corrosion wear or deposition in the pipeline is visualized, and the corrosion wear or deposition degree is accurately measured.

The invention relates to the technical field of detectors, and discloses a muon momentum reconstruction method based on particle tracks, which comprises the following steps of: 1, researching and developing an efficient energy detector, and processing position information of muons by adopting Kalman filtering and a REST framework in a gas time projection chamber so as to improve the energy measurement accuracy; 2, introducing a dynamic energy measurement algorithm, developing a self-adaptive algorithm, adjusting energy measurement parameters according to real-time feedback, optimizing muon energy estimation by using Kalman filtering, and reducing background noise influence at the same time; 3, realizing multi-detector array integration, designing a multi-detector array with reasonable layout, ensuring synchronous data acquisition, and enhancing the reliability of a measurement result by using cross validation; 4, data analysis is conducted through the machine learning technology, and a machine learning model is constructed and trained. According to the method, the energy of incident muons is estimated through Kalman filtering, the energy of the muons is screened when the muon scattering imaging technology is applied, and the imaging precision is improved.

The invention discloses a VLBI measurement multi-epoch data fitting and visualization method based on a regression voltage regulation stripping algorithm. The method is suitable for identification and matching of a radio astronomical jet flow component trajectory. The method comprises the following steps: firstly, reading multi-epoch observation data and carrying out self-adaptive preprocessing to extract effective data; the core is to strip an entanglement component through double-loop iterative fitting; a main loop identifies a local trajectory mode based on sampling point pseudo normal distribution; in the secondary cycle, a curve is fitted through orthogonal distance regression, extrusion-fine tuning is carried out by utilizing an adjustable cycle gain and a dynamic threshold value, and the corresponding relation of components among multiple epochs is automatically matched. According to the method, non-uniform sampling and linear and non-linear trajectories can be processed, and finally fitting parameters, physical quantities, a corresponding relation table and a multi-subgraph visualization result integrating fitting curves, residual errors and probability distribution are output. The whole process is highly automatic, false components are effectively eliminated through cross validation, the precision and efficiency of jet flow motion characteristic analysis are remarkably improved, and subjective errors are reduced.

Disclosed is a detector unit (100, 202) for tracking high energy particles, the detector unit comprises a first panel (102, 304) having a first surface (102A), a second surface (102B) and a first support member (106). The detector unit comprises a second panel (108, 306) having a first surface (108A), a second surface (108B) and a second support member (112). The detector unit further comprises a plurality of first fibres (114) and plurality of second fibres (116). The first panel is stacked upon the second panel such that second surface of first panel and second surface of second panel are facing each other. The plurality of first fibres and second fibres comprises two or more layers of first fibres and second fibres arranged in an interlocking manner (302) in first set and second set of parallel grooves of the first panel and second panel, respectively. Disclosed also a hodoscope for tracking high energy particles (200, 402) and a system (400) for for tracking high energy particles.

The application discloses a silicon pixel in-diameter track detector service structure with high heat dissipation capacity and high integration degree and a mounting method thereof, which comprises a service bucket, a four-claw flange, a fixing ring, a cable output bucket, a composite sleeve ring and a heat dissipation bucket. The service bucket is composed of a variable-diameter conical half bucket, the front end of which is connected with the composite sleeve ring, and the rear end of which is connected with the fixing ring; the claw arms of the four-claw flange are rigidly connected with the service bucket; the cable output bucket is quickly assembled with the fixing ring and is used for combing and fixing cables and cooling pipelines; the heat dissipation bucket is fixed to the inner wall of the service bucket, and a closed flow channel is arranged in the heat dissipation bucket and forms a closed water cooling cavity with the inner wall of the service bucket. The three-section coaxial heat dissipation bucket and the water cooling circulation loop are adopted in the application, the variable-diameter service bucket and the annular hollow combing plate are combined, the unification of high heat dissipation capacity and high integration degree is realized, the limit performance requirement of a super silicon in-diameter track detector can be met, and the stable and high-precision operation of the detector in an extreme environment with high brightness and strong radiation can be ensured.

The invention discloses a CR-39 detector alpha trajectory counting system and method based on a YOLOv8 algorithm. The system comprises a mobile platform, an electronic eyepiece, a microscope, an upper computer and a microcontroller. The electronic eyepiece is installed on the microscope, the microscope is placed on the side of the mobile platform, the upper computer comprises an image acquisition module, an image storage module, a YOLOv8 algorithm module, a mobile platform path presetting module and a communication module, and the microcontroller is respectively connected with the mobile platform and the communication module of the upper computer; a to-be-counted CR-39 detector is placed on the objective table, the mobile platform drives the objective table to move front and back and left and right under the action of the microcontroller, and meanwhile, the upper computer captures, analyzes and counts the alpha track of the image CR-39 detector. According to the method, alpha track counting of the CR-39 detector is realized through two steps of image acquisition and automatic identification counting under the action of an upper computer and a mobile platform. According to the method, the accuracy of alpha trajectory counting of the CR-39 detector is improved by using the YOLOv8 algorithm, and a basis is provided for accurate radon measurement in the next step.

The invention belongs to the technical field of space environment detection, and relates to a high-resolution azimuth angle parallel detection device, which comprises an anode assembly, a front placing plate and a digital acquisition processing plate, and is characterized in that the anode assembly comprises a top anode plate and a bottom anode plate which are stacked up and down and are divided into a plurality of anode sectors, and anodes on the upper and lower layers are arranged in a staggered manner; the adjacent anodes are positioned on different anode plates to realize physical isolation and suppress crosstalk, each anode output is connected in series with a current-limiting resistor, and a charge signal output by each anode is transmitted to a front amplifier plate through an inter-plate connector; the preamplifier adopts an integrated charge sensitive amplifier, amplifies multiple paths of charge signals output by the anode assembly, outputs multiple paths of digital pulses, and inputs the digital pulses to the digital acquisition and processing board through an inter-board connector; and the digital acquisition processing board performs parallel detection counting on multiple paths of digital pulses output by the pre-amplification board according to scientific data acquisition logic, avoids an electromagnetic interference time period, and periodically packs and outputs the digital pulses to a PC (Personal Computer) end.

The invention discloses a method and a system for measuring the height of a low-altitude aircraft based on muon detection, and the method comprises the steps: deploying a muon detector array on the aircraft for muon event detection, and obtaining the motion trail of muons and the zenith angle of the muons; performing flux calculation and angular distribution statistics on the motion trails of the muons and zenith angles of the muons to obtain muon flux and muon angular distribution characteristic values; and constructing a muon characteristic parameter and height corresponding relation model, matching muon flux and muon angular distribution characteristic values, and introducing external geographical environment parameters to perform inversion calculation to obtain an aircraft height value. According to the method, noise caused by rapid fluctuation of low-altitude atmosphere in muon detection can be suppressed, and the calculation precision of the height value of the aircraft is further improved. The method and system for measuring the height of the low-altitude aircraft based on muon detection can be widely applied to the technical field of flight height measurement.

A method for monitoring precipitation of magnetospheric particles includes detecting charged magnetospheric particles by a particles detector, processing the detection data to associate a respective estimate or measurement of kinetic energy with the detected magnetospheric particles, obtaining a first count value NH associated with a relatively higher estimate or measurement of kinetic energy, obtaining a second count value NL associated with a relatively lower estimate or measurement of kinetic energy, detecting a relative variation of the second count value NL with respect to the first count value NH, determining that an impulsive event of precipitation of charged magnetospheric particles (MPP event) in the magnetosphere occurred, assigning to the MPP event geomagnetic longitude and time, defining one or more groups of MPP events occurred in a time range at a same geomagnetic longitude, and identifying a group of MPP events indicative of an activity of terrestrial origin.

The present invention discloses a method for quickly finding the position of fusion neutron incident points in the field of pulsed fast neutron imaging with high precision. All measured signals are classified into several sets, and the mapping relationship of the Hough transform is used to reconstruct the tracks of all signals in each set, and the positions of all neutron incident points are found. The present invention first classifies and segments the signals, so that the amount of data required for analysis is greatly reduced. All signals in each signal set can be cyclically exhausted and their tracks can be extracted, so that the operating speed of the system is greatly improved. In addition, the present invention adopts an optimized Hough transform algorithm in the process of realizing track finding, and finally obtains the neutron incident point, which can realize efficient and high-precision neutron incident point finding.

The invention discloses an integrated high-energy particle detector for a magnetic confinement fusion device, which mainly comprises a cross collimator and a scintillator plate, the cross collimator is provided with a front collimation hole, a rear collimation hole, an upper collimation hole and a lower collimation hole, the upper collimation hole, the lower collimation hole, the front collimation hole and the rear collimation hole are arranged in a cross manner, and the top of the upper collimation hole is provided with an electronic stripping film. Ions with different energies and throwing angles pass through the front and rear collimation holes, so as to hit different coordinates on the scintillator to emit scintillation light; the high-energy neutral particles which are not electrified sequentially pass through the lower collimation hole and the upper collimation hole in a straight line, then pass through the electron stripping film, are stripped with electrons and become ions, and then do Ramor cyclotron motion in a magnetic field and strike the scintillator to emit scintillation light. The integrated high-energy particle detector can detect high-energy ions and high-energy neutral particles in the magnetic confinement fusion device at the same time.

The application discloses an integrated high-energy particle detector for a magnetic confinement fusion device, mainly comprising a cross collimator and a scintillator plate, front, rear, upper and lower collimating holes are formed in the cross collimator, the upper and lower collimating holes are arranged in a cross shape with the front and rear collimating holes, and an electron stripping film is installed on the top of the upper collimating hole. Ions with different energies and pitch angles pass through the front and rear collimating holes, thereby hitting different coordinates on the scintillator to emit scintillation light; for high-energy neutral particles without electricity, the high-energy neutral particles pass through the lower collimating hole and the upper collimating hole in sequence, then pass through the electron stripping film to be stripped of electrons to become ions, and then make Larmor cyclotron motion in a magnetic field and hit the scintillator to emit scintillation light, therefore, the integrated high-energy particle detector can simultaneously detect high-energy ions and high-energy neutral particles in the magnetic confinement fusion device.

The invention relates to a single-case multi-track data processing method based on a time projection room, and belongs to the technical field of particle track analysis, and the method comprises the following steps: S1, carrying out the denoising preprocessing of an original point; s2, reconstructing and correcting all the tracks in the case by using three-dimensional iterative Hough transform and a weighted least square method, and outputting a linear equation of each track; s3, for a certain straight line, calculating the distances from all points in the case to the straight line, setting a distance criterion threshold value, and regarding the points smaller than the distance criterion threshold value as the points located on the straight line so as to realize track splitting; and S4, carrying out over-fitting processing on the split tracks. According to the method, the processing effect of particle track detectors such as a time projection chamber on single-case multi-track is improved, and a practical solution is provided for high-energy particle multi-track detection and identification.