168 results about "Radiation effect" patented technology

The invention belongs to the technical field of radiation effect and radiation hardening of semiconductor devices and integrated circuits, and particularly relates to a single event effect laser simulation system based on Bessel beam shaping. A Bessel beam shaping and focusing module based on an axon lens is introduced and composed of the axon lens and two lenses, namely a single lens and a focusing lens, a Gaussian beam of an incident beam is shaped into a quasi-Bessel beam, and the quasi-Bessel beam is utilized to irradiate a semiconductor device to be detected. The axial distribution of the light beam is kept unchanged in a range of hundreds of microns, and the focusing breaking through the diffraction limit is realized in the radial distribution, so that the effect closer to the heavy ion charge deposition track is generated. The technology can solve the problem that a multilayer structure device, a thick sensitive region device and a wide forbidden band device are difficult to test through traditional laser simulation, and has important practical value for promoting laser simulation of the single event effect.

The invention relates to the technical field of building thermotechnical testing, solves the technical problem that in the prior art, due to the fact that an experimental environment lacks the sky background radiation cold effect, the accuracy of enclosure structure performance testing is low, and provides an enclosure structure performance testing method and system coupled with the sky cold and hot radiation effect. The method comprises the following steps: establishing an equivalent sky effective temperature control model according to a meteorological database; acquiring test environment parameters through a test environment parameter control module according to the equivalent sky effective temperature control model; acquiring real-time test data of the enclosure structure test piece under the control of the test environment parameters through a test data acquisition module according to the test environment parameters; and analyzing the real-time test data through a test data analysis module to obtain a test result. The controllable equivalent sky effective temperature model is introduced, and the problems that in the prior art, the sky background radiation cold effect is lacked, and the deviation between the test result and the actual building service environment is large are effectively solved.

The invention relates to the technical field of laser manufacturing and intelligent manufacturing, in particular to a residual stress and deformation prediction method for a laser directional energy deposition TA15 alloy component, and the method comprises the following steps: constructing a thermal-metallurgical-mechanical multi-physics field coupling model; firstly, a transient temperature field model comprehensively considering heat conduction, convection and radiation effects in the laser directional energy deposition process is established based on the Fourier heat conduction theory; then, a metallurgical model is established based on the phase change principle, finally, a multi-stage phase change kinetic model is established, and diffusion control type and non-diffusion type transformation mechanisms are considered at the same time; a phase change kinetic model is introduced into a sequentially coupled thermal-mechanical framework, so that multi-scale integrated prediction from microstructure evolution to macroscopic stress distribution is realized; and a theoretical basis is provided for microstructure regulation and control and residual stress optimization of the TA15 alloy LDED process.

The invention belongs to the technical field of combustion science and chemical kinetics simulation, and provides a method for predicting the lower combustible limit of mixed combustible gas. The method comprises the following steps: firstly, constructing and verifying a laminar flame velocity mechanism covering a single component and multiple components and the applicability to multi-component fuel; secondly, on the basis that flame stretching and radiation effects are considered in a traditional model, a dynamic instability factor is further introduced, so that the prediction precision of the lower combustible limit of the low-Lewis-number combustible gas is improved; finally, a single-component data set is generated in a unified mode, multiple regression algorithms are adopted for training and comparison, a prediction model is determined in a preferential mode, the Lunchaterow principle is combined, generalization prediction of the multi-component combustible lower limit is achieved, and finally comparison verification is conducted with existing experimental data. According to the system and the method, the dependence on a large-scale training data set is remarkably reduced, the calculation efficiency is improved on the premise of ensuring the prediction precision, and the system and the method have obvious engineering application value and are particularly suitable for the safety-critical field.

The application discloses a kind of spaceborne storage module packaging method, spaceborne storage module and satellite, the method includes obtaining the model of packaging circuit module;Thermal simulation experiment is carried out based on the model of packaging circuit module, and heat flux density distribution information is obtained;Target cooling area is determined based on heat flux density distribution information;Packaging circuit module is installed on substrate;First shielding layer is manufactured using metal material of first density;The model of second shielding layer is obtained;Micro-channel heat dissipation area is determined based on target cooling area;Second shielding layer is manufactured based on the model of second shielding layer using metal material of second density;Third shielding layer formed by coating material is prepared on the inner surface of second shielding layer, to obtain composite shielding shell;Composite shielding shell is fixedly installed on substrate through insulating adhesive layer and contains packaging circuit module, to obtain spaceborne storage module.The application makes that composite shielding shell has anti-radiation effect and heat conduction effect simultaneously, which greatly improves the heat conduction efficiency.

The invention discloses a lightweight thermal infrared image enhancement and deblurring combined method, and aims to solve the problems of low contrast and fuzzy details caused by factors such as low environment temperature and obvious atmospheric thermal radiation effect in thermal infrared image capture. According to the method, joint optimization is realized through cascade design of a global enhancement encoder and a deblurring decoder, a global enhancement guide vector is extracted by using a space attention mechanism to perform feature domain enhancement, fuzzy features are corrected by predicting a translation mutability convolution kernel, original image detail expression is fused, a detail edge phenomenon is sharpened while textures are reserved, and the image quality is improved. And training the model by using a global contrast enhancement loss function and a detail recovery loss function. According to the method, two tasks of enhancement and deblurring are unified in an efficient and compact network framework, detail blurring is effectively inhibited while the contrast ratio of the whole image is improved, and the visual effect of the image is enhanced.

The application discloses a kind of radiation effect test method and system, for the radiation effect of to-be-tested voltage source module is tested, comprising: when to-be-tested voltage source module is in the state of not being radiated by radiation source module, the first output voltage output by to-be-tested voltage source module provides first reference voltage signal for analog-digital conversion module, and analog-digital conversion module collects fixed analog signal and converts fixed analog signal into first digital signal;When to-be-tested voltage source module is in the state of being radiated by radiation source module, the second output voltage output by to-be-tested voltage source module provides second reference voltage signal for analog-digital conversion module, and analog-digital conversion module collects fixed analog signal and converts fixed analog signal into second digital signal;According to first digital signal and second digital signal, the voltage difference of second output voltage and first output voltage is obtained, to obtain the radiation effect of to-be-tested voltage source module.This method can capture the small output change of voltage source under radiation effect.

The present invention relates to a radiation-resistant bandgap reference circuit, comprising a bandgap reference structure circuit for generating a reference voltage and a compensation current generating circuit for current compensation of transistors within the bandgap reference structure circuit. By performing current compensation on the transistors within the bandgap reference structure, the present invention reduces the impact of radiation effects on the transistor's current gain. While achieving radiation resistance, the present invention eliminates the need for high bias currents, effectively reducing system power consumption.

The embodiment of the utility model relates to the technical field of antennas, and particularly discloses a UWB module, which comprises a metal shell and an antenna unit. The metal shell is provided with an inner cavity; the antenna unit is arranged in the inner cavity, the antenna unit is coupled with the metal shell so that the antenna unit can radiate outwards through the metal shell, the antenna unit is provided with a defect gap, and the defect gap is parallel to the inner wall of the opposite part of the metal shell in the direction pointing to the edge from the center of the antenna unit. Through the above mode, the embodiment of the utility model can improve the outward radiation effect when the antenna unit is in the metal shell.

The present application relates to the technical field of building thermal test, and provides an experimental device for coupling sky cold and hot radiation effects and a control method thereof.The device comprises a first radiation cooling component, a solar radiation component and an air cooling component, the first radiation cooling component is obliquely arranged on both sides and connected at the top to form a detection space, the air outlet of the air duct of the air cooling component is located at the bottom of the components on both sides, the air return port is opposite to the top, and the solar radiation component is fixed in the air duct away from the detection space on one side.The present application cooperatively arranges the obliquely combined first radiation cooling component, the air cooling component with air supply at the bottom and air return at the top, and the solar radiation component arranged in the air duct in isolation, constructs a detection environment balanced in cold and hot radiation, realizes coupling simulation of solar radiation heat effect and sky radiation cold effect, can more accurately test the performance of energy production type building envelope components, and solves the technical problem that the existing building thermal test device has low test precision and cannot meet the performance evaluation of energy production type building envelope components.

The invention provides a radiation effect integration method, system and device of an SPICE model and a medium, and relates to the technical field of circuit simulation, and the method comprises the steps: extracting a model parameter affected by radiation from an original SPICE model corresponding to a target device, and taking the model parameter as a radiation sensitive parameter; acquiring electrical characteristic data of the target device under different radiation conditions, extracting numerical values of radiation sensitive parameters under each radiation condition based on the electrical characteristic data, and obtaining associated data between the different radiation conditions and the numerical values of the radiation sensitive parameters; based on the associated data, establishing a mapping relationship between the radiation condition and the numerical value of the radiation sensitive parameter by using a neural network model; and substituting the mapping relation into the original SPICE model to update the numerical value of the radiation sensitive parameter so as to obtain an enhanced SPICE model containing the radiation effect. According to the invention, the behavior of each device in a real circuit can be simulated more accurately in circuit simulation through the enhanced SPICE model.

The invention discloses a triple modular redundancy method based on redundancy backup and FPGA (Field Programmable Gate Array) control. Three groups of data lines are expanded on the FPGA to be connected with the Norflash, and three groups of data are read at the same time to perform triple modular redundancy calculation. The FPGA controls the four Norflash to write data at the same time during writing, and the FPGA chip selects the Norflash to output according to a logic sequence during reading, and determines whether to perform triple modular redundancy operation by judging the state of the Norflash. And sending the wrong sector number and the wrong Norflash number to the SOC chip through a serial port and a corresponding protocol, then sending the wrong sector number and the wrong Norflash number to the ground through the SOC chip, and after an instruction from the ground is received, carrying out error correction on the Norflash according to the instruction. According to the method, the influence of the radiation effect on the low-orbit satellite in the space is overcome, the cost is reduced to a certain extent, the speed and the efficiency are ensured, and meanwhile, the problems that under the condition that only three Norflash pieces exist, one Norflash piece breaks down, so that resources of the other two Norflash pieces are wasted, and data reading based on triple modular redundancy cannot be achieved are solved in a redundant backup mode.

The utility model relates to the field of kitchen appliances, in particular to an air fryer which comprises a machine body and a fryer body, a containing cavity for installing the fryer body is formed in the machine body, a heating piece and a centrifugal fan are arranged in the containing cavity and located above the center of the fryer body, and the bottom wall of the fryer body protrudes to form a plurality of food material containing areas. Food materials are placed on the top walls of the food material placing areas, and the heights of the multiple food material placing areas are gradually decreased in the direction away from the center of the pot body. In the direction pointing to the center of the pot body, the height of the food material placing area closer to the center of the pot body is higher, the distance between food materials on the food material placing area and the heating piece is closer, the radiation effect on the food materials is stronger, and therefore the problem that the temperature of the center area of the supporting face of an existing pot body is lower than that of the periphery can be solved; therefore, the food materials are uniformly and consistently colored in each food material placing area, the coloring effect is better, and the user experience is improved.

The present application relates to neutron dosimetry method, specifically provide a kind of for boron neutron capture therapy fast neutron dosimetry method, by using the paired ionization chamber test system with different liquid environment, one kind of liquid environment has obvious absorption to thermal neutron, then the radiation source under the same power is measured, to obtain more accurate fast neutron dose and the rest two kinds of mixed radiation dose, to solve the problem of inaccurate neutron dose test of different kinds in the prior art in the application process of mixed radiation field, more accurate mixed radiation quantity value can be obtained, so that the different types of neutron dose in mixed radiation field are grasped, so as to improve the radiation effect in the application scene of mixed radiation field.

This invention discloses a radiation effect simulation method for SRAM-type FPGAs. It combines device-level and circuit-level modeling simulation to simulate the combined effects of total dose and single-event effects on the FPGA, analyzing the impact of various radiation effects on the FPGA's operating state. This method solves the problems of limited accelerator resources, difficulty in adjusting irradiated particle energy, and high economic costs. It helps to understand the changes in internal micro-parameters of the device and reveal the damage mechanism, enabling the evaluation of the device's radiation damage sensitivity. It provides technical support for FPGA radiation resistance evaluation and hardening design, and is economical and convenient. It can be used to evaluate the radiation resistance of devices, contributing to improved device reliability in aerospace engineering applications.

The invention provides a GEO electric propulsion satellite orbital transfer process solar cell radiation effect rapid evaluation method, which comprises the following steps that: firstly, a solar cell radiation damage space distribution database is constructed through space radiation effect analysis software, and the database comprises daily average equivalent 1MeV electron flux distribution data under different orbit heights, inclination angles and cover glass thicknesses; generating satellite space track data according to an electric propulsion orbital transfer strategy; counting accumulated operation time of the satellite in each height and dip angle interval according to a preset interval; and finally, multiplying and accumulating the daily average equivalent 1MeV electron flux corresponding to each interval by the accumulated running time to quickly obtain the accumulated equivalent 1MeV electron flux in the whole orbital transfer process. Therefore, the problem of long calculation time consumption of a traditional method is solved, and rapid evaluation support can be provided for radiation mitigation optimization design of the orbital transfer strategy.

The invention relates to the technical field of antennas, and discloses an antenna structure, a generation method thereof, a radio frequency device and equipment. The antenna structure comprises a dielectric substrate which comprises a first surface and a second surface opposite to the first surface; the first surface comprises ground; the second surface comprises a radiation patch; the feeder line is used for feeding power to the radiation patch; wherein the radiation patch comprises at least one grounding area, and the radiation patch adjusts the electromagnetic field distribution on the surface of the radiation patch through the grounding area. According to the antenna, through arrangement of the grounding area and adjustment of electromagnetic field distribution on the surface of the radiation patch, adjustment of a directional diagram is achieved, the radiation effect of the antenna is improved, the antenna structure is simple, design and deployment implementation difficulty is low, and miniaturization of the antenna size is facilitated.

The utility model provides a nuclear biological chemical washing fire protection device which comprises two parallel stand columns, a lower groove body is fixedly arranged between the bottom ends of the two stand columns, an upper groove body corresponding to the lower groove body is arranged above the lower groove body, and an upper groove body adjusting mechanism used for movably adjusting the position of the upper groove body in the vertical direction is arranged on the stand columns. A plurality of protection plate assemblies are detachably assembled between the upper groove body and the lower groove body, and a foot plate is fixedly arranged on one side of the bottom end of the stand column. The protection plate assembly is provided with a supporting plate, and a lead sheath is arranged on one side of the supporting plate. The bottom ends of the stand columns are fixedly installed on the ground through the foot plates, the protection plate assemblies are stably installed on the upper groove body and the lower groove body, and after assembly, hard fence protection is formed outside the nuclear-biological-chemical decontamination equipment, irrelevant personnel can be prevented from intruding into the nuclear-biological-chemical decontamination equipment, and installation hidden dangers are reduced; in the protection plate assembly, the strength of the main body of the protection plate assembly is guaranteed through the supporting plate, and the protection plate assembly can have the anti-radiation effect through the lead sheath.

The invention provides an anti-radiation transverse integrated power semiconductor device. The anti-radiation transverse integrated power semiconductor device comprises a P-type substrate, an N-type epitaxial region, a first N-type doped region, a second N-type doped region, a third N-type doped region, a fourth N-type doped region, a first P-type doped region and a second P-type doped region, the first dielectric layer is arranged on the surface of an active region of the device, the second dielectric layer is arranged on the surface of a field region of the device, and the active region is of a closed structure and covers and exceeds the first N-type doped region; and the polycrystal gate is arranged on the surface of the first dielectric layer. The drift region of the transverse device is of a longitudinal structure, the surface of the drift region is not provided with a thick field oxide layer, and a large amount of charges generated by total dose radiation are avoided, so that the influence of the total dose radiation effect on the performance of the device is greatly reduced, and the device has high total dose radiation resistance.

[Problem] To provide protective clothing with superior convenience from the viewpoint of the safety of the wearer. [Solution] By providing a splitting part 20 capable of irreversibly splitting a body part 10 separately from an opening / closing means 15 used for undressing and dressing by the wearer, the body part 10 can be quickly opened as needed without using the opening / closing means 15, and convenience of work for taking off the protective clothing from the wearer in an emergency or the like is improved. The splitting part 20 includes a thread 21 attached to the body part, a slit 22 provided to the body part, and a fragile part. In addition, by discharging air by means of an exhaust part 40 while forcibly feeding air into the body part 10 by means of an intake part 30 provided to the body part 10, heat accumulated inside the protective clothing can be immediately discharged. Further, by providing a guide part 50, a greater heat radiation effect can be achieved by improving the circulation of air inside the body part 10.

The invention discloses an anti-radiation organic celery salt and a preparation method thereof in the field of functional foods. The anti-radiation organic celery salt is prepared from the following raw materials in parts by weight: 25-55 parts of an organic celery extract; 150-200 parts of a functional mineral salt, 8-20 parts of a composite anti-radiation auxiliary agent and 6-12 parts of a functional auxiliary material; the composite anti-radiation additive is a plant extract combination and is selected from lycium barbarum polysaccharide, spirulina extract, sea-buckthorn extract and astragalus polysaccharide. Through a compound formula (the celery extract, the anti-radiation additive and the functional mineral salt) and a low-temperature embedding process, the anti-radiation effect (the maximum MDA reduction rate is 63.2%) and the stability (the 18-month activity retention rate is 90%) are remarkably improved, the product is superior to a single-component product or a traditional process product, the requirements of different scenes are met, and the application prospect is wide. The five types of formulas are respectively adapted to different scenes such as common people, high-radiation exposure people and low-salt demanders, are wider in applicability, have a seasoning function and can be directly used for cooking, and the problems that a traditional anti-radiation product needs to be taken independently and is poor in compliance are solved.

The utility model discloses an air conditioner, and belongs to the technical field of air treatment. An air conditioner comprises a support; the circuit board is mounted on the bracket; the power device comprises a pin which is connected with the circuit board; the base body part is connected with the pins; the refrigerant radiator is connected with the support and used for radiating heat of the power device, the refrigerant radiator comprises a liquid cooling plate, and a slot forming part is arranged on the liquid cooling plate to form a slot; wherein the base part is inserted into the slot, and at least two side surfaces of the base part are in contact with the slot forming part. According to the air conditioner, the at least two side faces of the power device are arranged to make contact with the refrigerant radiator, double-face heat dissipation of the power device can be achieved, and compared with single-face heat dissipation, the heat dissipation effect is improved.

The invention relates to an antenna, base station equipment and electronic equipment, and the antenna comprises a phase inverter and a ground branch knot. Each of the phase inverter and the ground branch knot is provided with at least one bending part, the bending part is provided with a shunt branch knot, and the shunt branch knot is communicated to form two sides of the bending part so as to provide a current shunt. Therefore, the current path is increased by additionally arranging the shunt branches, and branches with different lengths are provided for high frequency and low frequency, so that the anti-phase effect and the radiation effect under a wide frequency band are improved, and the gain level is improved.

The application discloses a self-adaptive fish scale modified rice hull ash radiation refrigeration polymer coating as well as a preparation method and application thereof, and belongs to the technical field of coating compositions. The preparation method is high in efficiency and convenient, the raw materials are widely sourced, and the production cost is low, so that high-value utilization of solid waste can be realized. In the obtained fish scale modified rice hull ash radiation refrigeration polymer coating, the raw material fish scale has a fluorescent effect, can stably absorb ultraviolet rays during the day, and the infrared radiation of silicon dioxide in the rice hull ash and the excitation radiation of titanium dioxide in the polymer coating can be combined, so that the radiation effect of the coating under multi-scene illumination is realized, and the refrigeration effect is achieved. The application has a good use prospect in reducing heat input.

The utility model provides a DEMOS device and an integrated circuit. The DEMOS device comprises a substrate, a well region, a gate structure, a source-drain injection region and a drift region, wherein the gate structure is positioned on one side, far away from the substrate, of the well region; and the source-drain injection region and the drift region are positioned in the well region. The anti-radiation reinforcing buffer region is located in the well region and surrounds the source region in the source-drain injection region, the isolation region is located on the surface of the substrate, and the orthographic projection of the isolation region on the surface of the substrate surrounds the orthographic projection of the anti-radiation reinforcing buffer region on the surface of the substrate and surrounds the orthographic projection of the drain region on the surface of the substrate. Therefore, the source region can be isolated from the isolation region, the change of the main body structure of the original DEMOS device is relatively small, and on the premise of ensuring the length of the channel between the source region and the drain region, even if the silicon surface layer under the well region and the whole isolation region is inverted due to the total dose irradiation effect, due to the existence of the anti-radiation reinforced buffer region, the anti-radiation effect of the DEMOS device is improved. And an electric leakage channel cannot be formed between the source region and the drain region, so that the anti-radiation capability is improved.

The utility model discloses an anti-radiation plate with coal ash, and relates to the technical field of anti-radiation plates. The anti-radiation plate comprises an anti-radiation plate body and an anti-radiation attaching block, the anti-radiation plate body is composed of a decoration panel layer, a coal ash base material layer and an anti-radiation layer, and the decoration panel layer, the coal ash base material layer and the anti-radiation layer are sequentially attached from outside to inside. The surface of the anti-radiation layer is provided with a butt joint assembly used for preventing radiation at the edge attaching position of the anti-radiation plate body, the surface of the anti-radiation attaching block is provided with a connecting assembly, and the inner wall of the connecting assembly is provided with a first rubber strip. The upper and lower joints of the adjacent anti-radiation plate bodies can be in butt joint through the butt joint assemblies, by improving the plate structure and the connection mode, installation gaps are effectively eliminated, the overall anti-radiation performance is improved, meanwhile, the improved structure and the anti-radiation plate are made of the same material, and the anti-radiation effect is good. And the problem that the filling material is easy to age and fall off after being used for a long time is avoided.

This invention discloses a humanoid robot mechanical finger, comprising a fixed frame with a first directional tooth; a proximal phalanx drive rod with one end movably connected to the output end of a telescopic device and the other end having a second directional tooth, and a distal phalanx linkage rod rotatably connected thereto; a middle phalanx linkage rod rotatably connected to a second position of the fixed frame; a driven gear assembly rotatably connected between the proximal phalanx drive rod and the middle phalanx linkage rod, and meshing with the first directional tooth; a middle phalanx drive rod rotatably connected between the proximal phalanx drive rod and the middle phalanx linkage rod, and having a third directional tooth, which meshes with the driven gear assembly; and a distal phalanx swing rod rotatably connected between the distal phalanx linkage rod and the middle phalanx drive rod, and having a fourth directional tooth, which meshes with the second directional tooth. This invention employs pure mechanical gear transmission, without relying on elastic elements, wire ropes, rubber seals, or other components that are prone to aging or susceptible to temperature / radiation effects, and can operate stably for a long time in extreme environments such as high temperature, low temperature, vacuum, and radiation.

This invention discloses an underwater target reflectance inversion method based on an underwater transmission model, comprising: acquiring the original digital values ​​of the underwater target collected by a hyperspectral camera; combining the built-in radiometric calibration parameters of the hyperspectral camera; converting the original digital values ​​into radiance based on the sensor pre-calibration response characteristics; physically modeling the water absorption effect, scattering effect, and path radiation effect during underwater light propagation to determine the linear mapping relationship between radiance and target reflectance; constructing a training radiative transmission model using a non-negative linear regression model; using a calibrated target with known reflectance as a sample to train the radiative transmission model between the original digital values ​​and the target reflectance, and solving for the mapping parameters between the two; and based on the original digital values ​​and mapping parameters of the underwater target to be reconstructed, using the trained radiative transmission model to invert and obtain the true reflectance of the target, thus completing the spectral reconstruction.

The application discloses a miniaturized high-isolation receiving array applied to GNSS and belongs to the technical field of antennas. The miniaturized high-isolation receiving array comprises an antenna unit and a cross-shaped electron bandgap structure, and the antenna unit is arranged in a right angle of the structure. The antenna unit is surrounded by three dielectric substrates to form a closed cuboid air cavity, a second substrate is provided with a reflecting ground, and a third substrate is covered with a bent gable-shaped metal side wall, so that left-handed or right-handed circular polarization can be realized; and a first substrate is provided with an open ring-shaped dipole arm. The cross-shaped electron bandgap structure comprises a mushroom-shaped structure, a cross-shaped metal reflecting ground and a cross-shaped dielectric block, and a top metal patch of the mushroom-shaped structure is connected with the metal reflecting ground through a metal column. The miniaturized high-isolation receiving array adopts high dielectric constant substrates to realize miniaturization, the metal side wall is connected with the reflecting ground to improve the radiation effect, the size of the dipole arm and the opening are adjusted to form circular polarization radiation, and the units are sequentially rotated to form an array and the mushroom-shaped structure is loaded to realize high isolation.

The invention relates to a modeling method of a storage unit total dose and neutron single particle synergistic effect model, and belongs to the technical field of radiation effects. The modeling method of the memory cell total dose and neutron single particle synergistic effect model comprises the following steps: establishing a transistor total dose effect TCAD model; fixed trapped charges induced by a transistor total dose effect are introduced into a charged particle charge collection model in an additional electric field form, and a transistor total dose and charged particle single particle synergistic effect TCAD model is established; substituting into a storage unit circuit topological structure, and establishing a storage unit total dose and charged particle single particle synergistic effect model; and establishing a mapping relationship between neutrons and charged particles in the semiconductor material, and establishing a memory cell total dose and neutron single particle synergistic effect model. According to the method, prediction of the total dosage of the SRAM chip and the single-particle synergistic effect of neutrons or charged particles can be realized, and a weak link of the single-particle upset effect of the SRAM chip caused by the synergistic effect can be traced and positioned.