138results about "Radiation particle tracking" patented technology

The invention relates to the field of electronic detectors, and discloses an ultrafast and efficient electronic detector based on nano polycrystalline boron nitride, which comprises a nano polycrystalline boron nitride scintillator, a light guide and a photomultiplier, and is characterized in that the nano polycrystalline boron nitride scintillator and the photomultiplier are respectively connected with the front end and the rear end of the light guide, a nano polycrystalline boron nitride material of the nano polycrystalline boron nitride scintillator is prepared by taking a sapphire single crystal wafer as a substrate, using NH3 and BCl3 or NH3 and BF3 as raw material gases and adopting a chemical vapor deposition furnace for epitaxial growth. In the invention, the nano polycrystalline boron nitride scintillator has short electron decay time and high scintillation light yield, and can realize ultrafast and efficient electron radiation detection when being applied to an electron detector. The electron detector can be applied to secondary electron and backscattered electron detection in an electron beam detection system, and a new choice is provided for the electron beam detection 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.

The invention belongs to the technical field of space environment detection, and relates to an ASIC (application specific integrated circuit)-based multichannel parallel charge detection device for space charged particle detection, which comprises an anode plate, a front placing plate and a digital acquisition and processing plate, and signal transmission is performed between the anode plate and the front placing plate as well as between the front placing plate and the digital acquisition and processing plate through inter-plate connectors; the anode plate is an annular anode and is divided into a plurality of anodes, the output of each anode is connected with a current-limiting resistor in series, and a charge signal output by each anode is transmitted to the front amplifier plate through the inter-plate connector; the pre-amplification board adopts an integrated charge sensitive amplifier ASIC to amplify multiple paths of charge signals output by the anode plate, and outputs multiple paths of digital pulses to be input into the digital acquisition processing board through an inter-board connector; and the digital acquisition and processing board is used for detecting and counting multiple paths of digital pulses output by the pre-amplification board in parallel, and periodically packaging and outputting the digital pulses to a PC (Personal Computer) end.

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 present disclosure pertains to a method for analyzing a solid-state nuclear track detector, SSNTD, image including pits, to determine particle information for at least one particle species. The method comprises the following steps of: A first step of obtaining a SSNTD image including pits. A second step of obtaining pit occurrence information from the SSNTD image, the pit occurrence information being indicative of a number of pits in the SSNTD image. A third step of obtaining first pit information from the SSNTD image, the first pit information being indicative of a physical property of the pits. A fourth step of obtaining a distribution of the pit information based on the first pit information and the pit occurrence information. A fifth step of calculating an expected distribution of the first pit information for the at least one particle species based on calibration information. A sixth step of comparing the expected distribution to the distribution of the pit information. A seventh step of determining particle information for the at least one particle species based on the result of the comparison, the particle information being indicative of a physical property of the at least one particle species, and the calibration information being indicative of a relationship between a second pit information and the at least one particle species at given analysis conditions.

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 charged body flight path sensing method based on an electrostatic induction principle. The charged body flight path sensing method comprises the following steps: capturing an electrostatic field signal generated by a flying charged body through a hemispherical electrostatic induction electrode array; each detection electrode is composed of an induction plate, an insulation substrate and a shielding electrode, the space directivity of the induction plate is effectively improved, and lateral electrostatic field interference is reduced. And an amplification circuit in the rear-stage high-resistance antistatic sensor independently amplifies signals of each detection electrode, and digitally acquires the signals through a multi-channel oscilloscope. A multi-gene symbol regression method is combined with a genetic algorithm and a linear least square method, a mathematical expression is optimized to minimize a prediction and target output error, and a circumference absolute error between a prediction value and a target value is calculated. And finally, filtering and demigration processing are carried out on the collected signals, the time difference of signal peak moments is mined, a time characteristic value data set of the flight path is constructed, and accurate data support is provided for analysis of the flight path of the electrified body.

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 discloses a beam irradiation test system, including a support platform, a passing radiation detector, a silicon charge detector, a plastic flash detector, an optical fiber tracker and a three-dimensional imaging calorimeter; the passing radiation detector is slidably mounted on the support platform through a TRD posture adjustment platform; the silicon charge detector is slidably mounted on the support platform through an SCD posture adjustment platform; the plastic flash detector is slidably mounted on the support platform through a PSD posture adjustment platform; the optical fiber tracker is slidably mounted on the support platform through a FIT posture adjustment platform; the three-dimensional imaging calorimeter is slidably mounted on the support platform through a CALO posture adjustment platform; the passing radiation detector, the silicon charge detector, the plastic flash detector, the optical fiber tracker and the three-dimensional imaging calorimeter are sequentially arranged in series. The system can perform multiple combined tests on the same beam of particle flow, and each test equipment can perform independent posture adjustment, with manual and electric adjustment methods, high reliability, compact overall structure, good bearing capacity and strong stability.

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.

To provide an electric charge particle trajectory detection technology that stably detects a muon trajectory under a high radiation environment.SOLUTION: An electronic charge trajectory detection device 10 comprises: a reading circuit 15 that reads a detection signal 12 outputted when an electric charge is incident upon a detection layer 22 (22x1, 22y1, 22x2, 22y2...) formed by having a plurality of detectors 21 planarly arrayed; a coincidence circuit 23 that outputs a coincidence signal when adjacent detectors 21 along a progress direction of an electronic charge particle 11 output an electric signal simultaneously; a verification circuit 16 that outputs a trigger signal 14 when at least two or more coincidence signals are output from individual detection layers 22 within fixed time; and a selection circuit 17 that stores event information 26 on the detection signal 12 selected by the trigger signal 14 as data.SELECTED DRAWING: Figure 1

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.

A borehole muon detector for muon radiography or geotomography is provided, the borehole muon detector including a substantially cylindrical housing, which defines a bore, a pair of end caps, each end cap sealing an end of the cylindrical housing and a plurality of sealed drift tubes which are longitudinally disposed in the bore of the housing to form a bundle of drift tubes, wherein each sealed drift tube comprises: a centrally located anode wire disposed on a longitudinal axis; an inner surface which is coated with a cathode coating, the cathode coating divided into a first cathode pad and a second cathode pad by a Vernier pattern; and a timer in electrical communication with the anode wire for measuring a drift time. A system and a method are also provided.

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 invention relates to the field of charged particle detection, and discloses a multi-dimensional measurement pixel structure and method for charged particle detection, and the structure comprises a plurality of pixel units, each pixel unit comprises a charge collection unit which collects charges and obtains a to-be-recognized signal; the charge sensitive pre-amplification unit amplifies the received to-be-identified signal to obtain an amplified signal of the to-be-identified signal; the energy measuring unit processes the received amplified signal to obtain amplitude information of the charge signal to be identified; the identification unit processes the received amplification signal to obtain a fast and slow arrival time identification signal, transmits the fast and slow arrival time identification signal to a comprehensive identification unit of the peripheral common unit, and performs comprehensive processing to obtain a total arrival time identification signal and identification information of a to-be-identified charge signal; and the time measuring unit is used for processing the received total arrival time identification signal to obtain thick and thin arrival time information of the charge signal to be identified. According to the invention, the multi-dimensional measurement function of time, energy and position is realized.

The invention discloses a method for investigating source items of medical cyclotron decommissioning, which comprises the following steps: using a Monte Carlo method to calculate neutron distribution and obtain neutron distribution conditions; setting the positions of sampling points according to the neutron distribution conditions; inputting the positions of various sampling points into Monte Carlo software to obtain the radioactive nuclide types and specific activities of various sampling points calculated theoretically; sampling is performed according to the positions of various sampling points; and radioactive nuclide chemical analysis is performed according to the sampling results to obtain the radioactive nuclide types and specific activities of the actual sampling points; the radioactive nuclide types and specific activities obtained by the two methods are compared, and the positions and specific activities of the actual sampling points are continuously corrected with the theoretical calculation results; the invention finally analyzes special key points and cutting ranges by combining theoretical calculation with actual measurement, so that the high-level radioactive waste finally cut out of an accelerator weighing hundreds of tons is only tens of kilograms or even a few kilograms.