63results about How to "Fast simulation" patented technology

The invention relates to the technical field of hydraulic engineering, geotechnical mechanics and geological disaster prevention and control engineering, and discloses a landslide surge physical and numerical hybrid model construction method and system and application. Analyzing the landslide instability evolution motion process, the landslide warehousing first wave height and the surge propagation process of the landslide surge; performing a numerical simulation test according to a second result of the landslide surge numerical model test; adjusting the particle size and the kernel function in the landslide surge numerical simulation test, so that the first wave height, the opposite-bank arrival height and the surge pressure distribution in the landslide surge numerical simulation test and the landslide surge physical model test are consistent; and taking the adjusted landslide surge numerical model as the obtained landslide surge hybrid model. The system comprises a first result acquisition module, a second result acquisition module, a test parameter adjustment module and a hybrid model acquisition module. According to the method, different calculation working conditions can be conveniently analyzed.

The invention discloses an LU-SGS implicit propulsion calculation method under a self-adaptive Cartesian grid, and relates to the field of numerical simulation, and the method comprises the steps: 1, generating equidistant and uniform initial Cartesian grids based on an aircraft model size parameter, an aircraft model motion parameter and an aerodynamic parameter, and distributing a multi-dimensional array number for each grid according to the dimension of a space; 2, on the basis of the geometric shape of the aircraft model, performing cross-tree adaptive encryption on grids within a preset range of an object plane boundary, and generating an adaptive Cartesian grid required by calculation; step 3, sorting the generated adaptive Cartesian grids to obtain a sorting result; 4, performing LU-SGS implicit propulsion calculation based on the sorting result to obtain a numerical simulation calculation result of the aircraft model; according to the method, LU-SGS implicit propulsion calculation under the adaptive Cartesian grid can be realized, so that convergence is accelerated to improve calculation efficiency.

The invention discloses an all-sky cloud imaging real-time simulation method of a three-dimensional structure, which is used for realizing real-time rapid simulation of a cloud image with set spatial resolution per hour, and comprises the following steps: obtaining basic geographic information data of a research area; carrying out background field data fusion; interpolating the ground meteorological data collected in real time to the grid points of the research area by adopting an interpolation method; obtaining surface meteorological analysis and background field data, and realizing three-dimensional temperature analysis according to a static relation; obtaining an initial guessing field of three-dimensional cloud analysis, and obtaining a three-dimensional cloud analysis field in combination with three-dimensional temperature analysis; an initial three-dimensional water vapor analysis field is obtained according to the background field data, and three-dimensional water vapor analysis is realized by performing optimization iteration solution on a target function; obtaining soil humidity analysis according to the surface meteorological analysis and the three-dimensional cloud analysis field; according to the surface meteorological analysis, the three-dimensional temperature analysis, the three-dimensional cloud analysis field and the three-dimensional water vapor analysis, derivative product analysis is achieved; and simulating to obtain all-sky imaging data.

The invention discloses a multi-beam seamless switching demonstration verification system, and relates to the field of satellite-ground communication simulation. The system comprises at least two vector signal sources used for simulating and outputting pseudo satellite emission signals; the satellite-ground wireless channel simulator is used for receiving the pseudo-satellite emission signal, processing the pseudo-satellite emission signal according to the analog channel model parameters and outputting a simulation signal; the at least two horn antennas are used for simulating satellite earth coverage wave beams, receiving simulation signals and outputting the simulation signals in a directional wave beam form; the service terminal carries a transceiving common-caliber phased-array antenna and is used for adjusting arrival beam receiving gains in different directions and adjusting a transmitting beam direction angle and gains so as to transmit signals; the frequency spectrograph is used for observing the received signal; and the upper computer is used for outputting analog channel model parameters, and is also used for controlling angle pointing and beam pointing switching of the transceiving common-caliber phased-array antenna. Compared with the prior art, the phased-array antenna communication process among multiple orbits, multiple satellites and satellite-ground coverage areas can be simulated quickly, truly and accurately.

The invention provides an automatic bus data interface simulation method and system, equipment and a storage medium, and the method comprises the steps: generating a plurality of standard interface files according to a standard interface abstracted according to the test requirement generality of airborne equipment; compiling according to the standard interface file to generate a corresponding source code file and a header file, and generating bus data interface simulation software by linking the source code file and the header file; and running the bus data interface simulation software on a partition operating system, and executing a corresponding bus data interface simulation test according to the configuration and the rule in the standard interface file. According to the method, the bus data interface of the airborne equipment is quickly and accurately simulated through standardization of the interface file, automatic compiling of the link and operation of the partition operation system, so that the test efficiency is improved, and the test cost is reduced.

The invention discloses an accelerated aging test system and method for a high-density polyethylene buried pipeline, and the system comprises a box body which is internally provided with a test chamber for an aging test; a plurality of buried pipeline test pieces are arranged in the test chamber in a drawable manner through the test piece dismounting and mounting system; the in-pipe pressurization system is used for carrying out gas pressurization on the plurality of buried pipeline test pieces; the water bath system is used for injecting water into the test chamber to provide a water bath environment; the high-temperature system is used for heating the environment temperature in the test chamber or is matched with the water bath system to provide water bath environments with different temperatures for the plurality of buried pipeline test pieces; the ultraviolet irradiation system is used for performing ultraviolet irradiation on the plurality of buried pipeline test pieces; and the in-pipe pressurization system, the water bath system and the high-temperature system are all connected with the control system. According to the invention, coupling conditions of various aging factors during real service of the buried pipeline can be truly and rapidly simulated, effective reference basis can be provided for safe operation and construction design of the high-density polyethylene buried pipeline, and the method has great advantages.

The invention discloses a fan array wind tunnel capable of simulating multiple angles, relates to the field of wind tunnel experiments, and solves the problem that a fan on an existing fan array wind tunnel is easy to break, the fan array wind tunnel comprises a mounting bracket and a mounting ring mounted on the inner side of the mounting bracket, and a square frame is arranged on the inner side of the mounting ring; a plurality of positioning frames which are distributed at equal intervals are fixedly mounted on the inner side of the square frame, and a plurality of fan bodies which are distributed at equal intervals are arranged on the inner sides of the positioning frames; the clamping mechanism is used for quickly assembling and disassembling the fan body, and the clamping mechanism is mounted on the inner side of the positioning frame; the fan bodies are rapidly installed on the outer side of the positioning frame in a clamping mode through the clamping mechanism, the uppermost fan body is pressed and positioned, the multiple fan bodies are conveniently and rapidly installed, the fan bodies are supported through the positioning frame, the problem that the multiple fan bodies are prone to being broken is solved, and the service life of the fan bodies is prolonged. Therefore, the effects of quick disassembly and assembly and stable operation are achieved.

The invention belongs to the technical field of electromagnetic exploration, and particularly relates to a key parameter optimization method for ground well electromagnetic exploration simulation calculation, which is based on solved irregular layered background medium Green function response, utilizes the plane symmetry property of a union-vector Green function and adopts a fast Fourier transform algorithm to optimize the key parameters of the ground well electromagnetic exploration simulation calculation. Only calculating and researching half of the grid point and vector Green function of the horizontal section diagonal line of the area, and reconstructing the distribution of the complete horizontal section grid point and vector Green function through a spatial interpolation algorithm; and solving the three-dimensional ground well electromagnetic field integral equation set under the background of the three-dimensional irregular layered medium by adopting a stable biconjugate gradient-fast Fourier transform algorithm, so as to obtain the total electromagnetic field for researching the center point of the subdivision grid in the three-dimensional region. The primary field and the scattered field of the electromagnetic field at each observation point in the ground well electromagnetic shaft are efficiently calculated.

The invention discloses a water hammer analogue simulation method and device for fracturing, and belongs to the technical field of oil and gas reservoir fracturing exploiting.The simulation method comprises the steps that a simulated shaft is determined; establishing a water hammer continuity equation and a water hammer motion equation based on the water head, the flow, the fluid density and the like; establishing a water hammer equation set by combining a liquid elastic equation combination, and solving to obtain a distribution equation of the water head, the flow velocity and the density; establishing a relational expression of fluid pressure, density and flow, and establishing a water hammer equation set in parallel to obtain a water hammer simulation model; initial conditions and boundary conditions are set, and a curve of water hammer pressure changing along with time is obtained through fitting. The device comprises a memory for storing a computer program and a processor, wherein the program comprises the steps corresponding to the method. According to the method, the water hammer pressure in the fracturing process can be more accurately simulated, developers are helped to analyze the fracturing effect by using the water hammer pressure in the fracturing process, so that fracturing parameters are optimized, a better fracturing effect is obtained, and efficient development of unconventional oil and gas resources is promoted.

The invention relates to a territorial space optimization method for cross-scale planning target and ecological toughness feedback, and the method comprises the steps: firstly carrying out the long-time-sequence territorial space function classification through a random forest algorithm based on a big data platform GEE, and analyzing a driving force factor; planning texts of multiple administrative levels are collected, a planning target is analyzed, a target parameter group is obtained by utilizing an equal interval method, and a future territorial space structure is modeled and simulated in combination with a'double evaluation 'result. On the basis, the vegetation structure is analyzed, and long-time-sequence toughness indexes of global and local grids are simulated based on the biophysical process. And finally, analyzing the change trend of all the toughness indexes, if trend change exists, feeding back and iterating the parameters until all the toughness indexes are kept stable or tend to a good trend, and ending circulation and outputting. According to the method, the feedback relationship between planning targets of different levels and the ecosystem toughness is quantified for the first time, effective integration of sustainability and toughness is successfully realized, and the scientificity of territorial space structure optimization and space decision is improved.

The invention provides a vibration analysis method and system for an intermediate bearing in a double-rotor system. The method comprises the following steps: determining a rolling body entering a defect area at the current moment and a rolling body with the maximum contact deformation based on bearing parameters, an operation state, defect information, contact rigidity and damping parameters; respectively calculating the time-varying displacement and impact force of the rolling body entering the defect area and the rolling body with the maximum contact deformation, and the angle difference between the time-varying displacement and the impact force; the impact force is corrected through the angle difference between the rolling body entering the defect area and the rolling body with the largest contact deformation and serves as external force input of a nonlinear kinetic equation of an intermediate bearing system of the double-rotor system; and calculating a nonlinear bearing force in the nonlinear kinetic equation based on the time-varying displacement of the rolling body entering the defect area and the rolling body with the maximum contact deformation. And solving the nonlinear kinetic equation. According to the method, the vibration analysis precision under the condition of the defect of the intermediate bearing in the double-rotor system is improved.

A tester for detecting the performance of a water meter light guide assembly and the performance of a circuit board is characterized in that the left side and the right side of a base of the tester are respectively provided with an elastic support plate, a supporting plate is arranged between the two elastic support plates, a standard part of a digital counter is installed in the center of the supporting plate, and a digital counter is installed on the side of the standard part. A driving motor capable of shifting character wheels in the counter to move is arranged, a circuit board capable of emitting and receiving light is arranged below a standard part, a plurality of metal probes connected with a control circuit are arranged below the circuit board, a light guide assembly of a water meter is inserted into a gap of the counter from the lower portion of the standard part, a supporting plate is pressed downwards, and the counter is arranged on the standard part. The circuit board is contacted with the metal probe, and the light guide assembly is in photoelectric connection with the circuit board. The performance of the light guide assembly and the performance of a circuit board electrically connected with the light guide assembly are tested respectively. The tester is dual-purpose, can improve the qualified rate of semi-finished products in finished products to be packaged, and greatly reduces the re-inspection cost when subsequent products have problems.

The invention discloses a method for generating a particle accumulation body simulation model of natural three-dimensional shape characteristics of a building material. The method comprises the following steps: step 1, manufacturing a natural particle simulation model; the randomly generated three-dimensional coordinate control points are endowed with natural sphericity and roundness to obtain a natural particle simulation model; 2, making a particle accumulation body simulation model; the natural particle simulation model obtained in the first step is filled into a discrete element block mass, gravity deposition is applied to the discrete element block mass through a discrete element method, and a particle accumulation body simulation model is obtained. A solid foundation is provided for exploring the microscopic geometrical characteristics of the contact particle accumulation body and the macromechanical properties of civil engineering materials, and a new way is provided for efficiently generating a particle accumulation body database with accurate contact information.

The invention discloses a power curve simulation method and system of an oil pumping unit under a working condition. The method comprises the following steps: establishing a model of a relation between suspension center displacement and time by utilizing a model for accurately calculating the suspension center displacement; a stroke of the oil pumping unit is divided into a suspension center loading section, an ascending section after loading is completed, a suspension center unloading section and a descending section after unloading is completed, and a model of the relationship between suspension center loads and time is established; establishing a relationship between the suspension center load and the suspension center displacement, and drawing an indicator diagram curve of the rod pumped well; and calculating the torque and power of the pumping unit according to the indicator diagram curve, drawing a power curve, and extracting working condition characteristics. According to the method, the elastic modulus of the sucker rod is considered, a simple mathematical calculation model for representing the relation between the polished rod load and the displacement of the rod-pumped well under the normal working condition is invented, and a simple mathematical model for calculating the power of the pumping unit under the normal working condition is established on the basis; and rapid and effective simulation of the pumping unit power curve under different pumping rod elasticity moduli and different pumping unit working systems is realized.

The invention discloses a static model of a SiC MOSFET device based on physical characteristics, including the drain current I. d Model, channel voltage drop V ds Model, gate-source effective voltage V gs The model and the model of the inversion layer channel carrier mobility μ. The drain current I d The model is an improvement on the standard long-channel device model, characterized by the representation of physical processes such as channel modulation effect and depletion layer bulk charge effect; the gate-source effective voltage model introduces the gate-source effective voltage V. gs The interface state trap is characterized by an asymptotic function as a function of the external gate-source voltage V. GS The process by which charge carriers gradually fill the space between the MOSFET and the charge carriers. This model is highly versatile and has good characterization effects on different types of SiC MOSFET devices. The model has high accuracy, and the model parameters all have certain physical meanings, which is conducive to further research based on this model. At the same time, the model is compact, the simulation speed is fast, and it is suitable for circuit simulation.

The present invention belongs to the field of geophysical exploration, and is specifically a three-dimensional direct current resistivity wavelet Galerkin forward modeling method, which includes: performing non-uniform grid division on a geoelectric model calculation area into a plurality of grid units, obtaining grid unit numbers, node numbers and coordinates; reading designed geoelectric model parameters, including background layer parameters, grid unit numbers, node numbers and coordinates; calculating the primary field potential value of the underground background medium of the designed background layer; performing cyclic calculation of unit coefficient matrices for all grid units, and then synthesizing the coefficient matrices of all grid units as a whole; calculating the right-hand side term of the direct current resistivity method wavelet Galerkin linear equation group according to the primary field potential value; loading essential boundary conditions, solving the direct current resistivity method wavelet Galerkin linear equation group, obtaining the secondary field potential of each node, and then obtaining the total field potential value. The problem of slow calculation speed and low calculation accuracy existing in the existing method is solved.

The present invention provides an electronic whiteboard writing method, system, readable storage medium and computer, the method comprising: collecting stroke line data formed by a user writing on an electronic whiteboard in real time according to the original point position; performing regular rendering on the starting data, the running data and the ending data respectively to form corresponding simulation data; performing selection decision on the starting data, the turning data and the ending data, and performing data fusion on the selection decision result and the simulation data to obtain corresponding preliminary font data; performing morphological casting on the preliminary font data, and performing smoothing processing according to the morphological casting result to obtain the final writing font, and dynamically displaying the writing font. The present invention performs regular rendering and selection decision on the stroke line data respectively, and performs data fusion on the corresponding results to quickly simulate the effect of writing Chinese characters with a brush, thereby achieving rapid recognition and display of the writing font.

The invention relates to a sea clutter rapid simulation method and device based on a back scattering Morchin model, and the method is characterized in that the method comprises the steps: determining a radar irradiation region; dividing a radar irradiation area into a plurality of scattering units according to the distance ring resolution width and the azimuth angle resolution; dividing each scattering unit into two triangle-like regions, and calculating the scattering sectional area of each triangle-like region through a back scattering Morchin model; obtaining an echo signal of the corresponding scattering unit according to the scattering sectional area of each triangle-like area; and superposing the echo signals of the scattering units on the same distance ring to obtain a simulated sea clutter echo signal. According to the method, the problem of rapid simulation of the sea clutter is solved, the generated simulated sea clutter echo signal has high correlation in time, the effectiveness and authenticity of sea clutter simulation are improved, the efficiency is high, and the sea clutter can be rapidly simulated.

The invention provides a vibration platform which comprises a platform body, a bottom plate, a base, a motion assembly and an elastic assembly, the platform body is used for installing a helicopter simulator, the bottom plate and the platform body are connected and arranged at intervals in the first direction, the base is arranged on the side, away from the platform body, of the bottom plate, and the base and the bottom plate are arranged at intervals; the bottom plate is arranged on the base, the platform is arranged on the bottom plate, the moving assembly is arranged between the bottom plate and the platform, the moving assembly can drive the platform to move relative to the base, the elastic assembly is arranged between the bottom plate and the platform, and the elastic assembly is used for supporting the platform. The vibration platform has the advantages of being compact in structure, high in bearing capacity, high in response speed and the like.

The method and verification device for dynamic shock wave closed-loop control disclosed in the present invention at least partially solve the technical problems of unstable operation such as shock wave pulsation in the inlet of the existing engine. Based on the real-time control of the dynamic shock wave induced by the dynamic shock wave generator by the arc plasma exciter, the verification device sequentially arranges the plasma exciter and the dynamic shock wave generator along the airflow direction, and a first pressure sensor is installed at the upstream position of the plasma exciter, and a second pressure sensor is installed at a preset position downstream of the rotating shaft of the shock wave generator along the airflow direction; the current shock wave intensity is determined by obtaining the measurement values ​​of the first sensor and the second sensor, and the closed-loop controller monitors the switch state quantity of the plasma exciter and the theoretical value of the shock wave intensity in real time; according to the currently measured shock wave intensity, a closed-loop control is formed and the working parameters of the plasma exciter are adjusted in real time to achieve the stable control of the dynamic shock wave pressure ratio and achieve the preset control target value.

The invention provides an SAR (Synthetic Aperture Radar) image simulation method based on a Mama parameter extraction network, which takes a 3D (Three-Dimensional) model of a target object and a real high-definition SAR image as input data of a framework, obtains a mapping relation between the SAR image and simulation parameters by training the Mama network, realizes conversion from the simulation parameters to the simulation SAR image by virtue of RaySAR software, and improves the simulation accuracy of the SAR image. Finally, accurate simulation parameters are extracted from a single real SAR image, and a large number of simulation SAR images are generated. Compared with a traditional SAR image simulation method, machine learning and a simulation method based on the imaging principle are combined, SAR image simulation is assisted through machine learning, the simulation speed is higher, the simulation effect is better, and the utilization rate of real SAR image data is increased.

The invention discloses an LU-SGS implicit propulsion calculation method under an adaptive Cartesian grid, which relates to the field of numerical simulation, and comprises the following steps: step 1: generating an equidistant and uniform initial Cartesian grid based on a size parameter, a motion parameter and aerodynamic parameter of an aircraft model, and allocating a multidimensional array number to each grid according to a dimension of space; step 2: performing a fork tree adaptive encryption on the grid within a preset range of an object surface boundary based on a geometric shape of the aircraft model, and generating an adaptive Cartesian grid required for calculation; step 3: sorting the generated adaptive Cartesian grid to obtain a sorting result; step 4: performing an LU-SGS implicit propulsion calculation based on the sorting result to obtain a numerical simulation calculation result of the aircraft model; the method can realize the LU-SGS implicit propulsion calculation under an adaptive Cartesian grid, thereby accelerating convergence to improve calculation efficiency.

The present application provides a method and system for real-time dynamic water distribution in irrigation districts with multi-level channels, which includes: obtaining basic data and water supply and demand information of the irrigation district; setting irrigation priority division strategies based on important water diversion gates; setting a dynamic water distribution method of "variable flow, variable duration" based on water balance and flow constraints; constructing a database table structure for the real-time dynamic water distribution model of the irrigation district; constructing a real-time dynamic water distribution model for multi-level channels based on basic data, water supply and demand information, irrigation priority division strategies, dynamic water distribution methods and constructed database table structures; running the real-time dynamic water distribution model to simulate the real-time dynamic water distribution process of multi-level target channels in the irrigation district. The proposal of this application can quickly and accurately simulate the water distribution time, flow and water volume of each water diversion gate on the target channel, provide technical support for the scientific and reasonable formulation of dynamic water distribution plans for canal systems at all levels in the irrigation district, and provide a scientific basis for promoting efficient water use in agriculture.

The application relates to the technical field of ship testing, and is a kind of roll-on / roll-off ship automobile walking test top gap measuring method based on an adjustable model, key control points for top gap measurement are determined; real vehicle size data of various target vehicle types are acquired, and the key control point coordinates are the intersection points of the highest points of the vehicle roofs and the front and rear end surfaces; an adjustable frame type model is made; the height, the wheelbase and the key control point size of the model are adjusted according to the target vehicle type data, and the simulation of multiple vehicle types is realized; the model is moved to a measuring position for measurement; when the vehicle type is replaced, the above steps are repeated, and the continuous measurement of multiple vehicle types is realized by adjusting the model parameters. The roll-on / roll-off ship automobile walking test top gap measuring method disclosed by the application replaces different vehicle types required to be used at different positions during the test by the manufacturing and use of the adjustable model, simplifies the test operation and improves the test efficiency under the premise of ensuring the reliability of the test data.

The invention relates to the technical field of steel rail welding seam detection, in particular to a simulation method for steel rail welding seam detection based on CIVA. Based on a CIVA simulation technology, simulation of sound beam propagation and interaction between sound beams and defects or workpieces can be carried out; simulation can simulate the whole detection process; different probes, workpieces and defects are simulated; when the method is applied to steel rail welding seams, the understanding and learning of flaw detection personnel on phased array ultrasonic detection can be effectively improved, the effects of various welding seam flaw detection processes can be quickly simulated, and the method has the advantages of quantification and visualization.

The invention discloses a reservoir acidification simulation method for an oil reservoir scale, and relates to the technical field of oil-gas field development. According to the method, an acid rock reaction flow system of a reservoir is decoupled into a three-dimensional matrix continuous domain and a one-dimensional discrete wormhole topology network, and a pressure and flow coupling equation, an acid liquid transmission and reaction equation and a geometrical morphology evolution equation are constructed for reservoir acidification simulation; carrying out fully implicit simultaneous solution on the three-dimensional matrix continuous domain and the pressure field of the one-dimensional discrete wormhole topology network, obtaining fluid pressure distribution in the reservoir, determining the volume flow rate and the flow direction in the one-dimensional discrete wormhole topology network, constructing a directed acyclic graph, and calculating the volume flow rate and the flow direction of the reservoir. Executing topological sorting to generate a downstream calculation sequence, calculating to obtain an acid liquor concentration field in the one-dimensional discrete wormhole topological network, combining a geometrical morphology evolution equation, explicitly updating geometrical parameters of the one-dimensional discrete wormhole topological network, and generating new tip nodes and new wormhole pipe sections by utilizing geometrical topology updating until the tip nodes break through a production boundary, and obtaining a simulation result of reservoir acidification.

The present invention relates to a multi-level satellite platform digital modeling method based on Protobuffer, which first disassembles and combines the equipment model functions and characteristic types to be constructed to generate atomic component classification, then generates interface protocols and a model management system and a parameter management system based on the atomic components, and finally realizes component assembly and interaction between components based on the interface protocol. The present invention realizes the separation of parameters and components and the decoupling within the model by interfacing components and parameters, and also proposes a satellite platform digital simulation model development and assembly mode based on the interface, thereby realizing the unified management and rapid construction of the satellite platform digital simulation model.

The invention relates to a method for testing and evaluating the anti-interference capability of navigation equipment based on software driving. According to the method, the number of corresponding interference sources and the relative pitching relation between the interference sources are configured according to the antenna characteristics and types of tested equipment, the interference characteristics of the interference sources on the tested equipment under the angle combination deployment of different elevation angles and different angle intervals are simulated, and the attenuation of interference signals during space transmission is considered. The anti-interference capability simulation test of the tested equipment is repeatedly carried out, the interference power configuration is adjusted according to the test result, each interference source is driven based on simulation software to send interference signals according to the corresponding interference power value, the interference condition of the tested equipment is recorded to analyze the anti-interference capability of the equipment in real time, and the real anti-interference capability of the tested equipment is obtained. By adopting the method, the anti-interference capability of the satellite navigation equipment can be comprehensively, quickly and accurately simulated, tested and evaluated.

The present application relates to the technical field of communication simulation, in particular to a kind of MIMO molecular communication system modeling simulation method, device, system and storage medium, based on the diffusion-cylinder flow-diffusion environment induced diffusion-cylinder flow-diffusion environment induced diffusion-laminar coupling effect, the actual receiver mechanism that fits biological system is built, the binding process of a variety of information molecules to compete for limited receptor can be dynamically simulated, the number of receptor and various information molecules of the receiver is effectively quantified Binding quantity situation, so as to convert ideal concentration signal into receptor occupancy signal, the accurate, fast simulation of the communication performance of MIMO molecular communication system is realized, and the basis for the co-channel interference evaluation of MIMO molecular communication system is provided.

The present invention provides a method and system for constructing a distributed flood forecasting and scheduling model based on a sub-basin, the method comprising: based on the extracted basic basin, dividing the calculation sub-basin in combination with the basin characteristics of the basin to be simulated and the regulation and storage function of the reservoir; combining the generated calculation sub-basin and the river network system, generating the spatiotemporal topological structure of the basin to be simulated based on the confluence path; obtaining the basic data base and the water and rainfall monitoring and perception system of the basin to be simulated, and performing the full-chain coupling design of the model on this basis; constructing a distributed flood forecasting and scheduling model for the basin to be simulated; using the constructed distributed flood forecasting and scheduling model to forecast the flood forecasting and scheduling process. The present invention makes full use of the basin water and rainfall monitoring and perception system and the data base, and can quickly and accurately simulate the flood process and flood elements of the calculation sub-basin and important sections within the basin, providing technical support for the scientific and reasonable formulation of flood control emergency plans, and providing decision-making support for flood control and disaster reduction work.