90 results about "Similarity theory" patented technology

The invention relates to an urban inland inundation water depth prediction method considering geographical similarity, and aims to introduce a geographical similarity theory into urban inland inundation modeling and analyze a geographical modeling mechanism contained in an urban inland inundation process under a rainfall scenario. Constructing a geographic configuration data set; preprocessing data, and constructing a geographic similarity calculation unit; based on the raster data, a hydrological hydrodynamic model is adopted to simulate the earth surface confluence production process of the research area, and an urban inland inundation water depth data set is constructed; based on the urban inland inundation data set and a geographic similarity calculation unit, an automatic machine learning model library is adopted to construct a geographic similarity model; performing hyper-parameter optimization, and optimizing the geographic similarity model; and calculating the predicted water depth. The method has the beneficial effects that the geographic factors are integrated, the geographic similarity theory is introduced into urban inland inundation modeling, and the accuracy and timeliness of an urban inland inundation simulation result are improved through automatic machine learning.

The invention belongs to the technical field of tunnel construction geological disaster prevention and control, and discloses a multi-source data fused refined treatment decision-making method for a complex stratum disaster source, which comprises the following steps: collecting and fusing multi-source geological data, and constructing a three-dimensional geological model; generating a disaster source risk dynamic assessment and treatment scheme; based on a fluid-solid coupling similarity theory, verifying the preliminary treatment scheme by adopting a physical model test, and determining an optimal treatment scheme; the optimal treatment scheme is executed, and the treatment process is dynamically regulated and controlled; after treatment, the treatment effect is evaluated through posterior data, and the effect data is fed back to the three-dimensional geologic model and the knowledge base, so that the dynamic updating of the model and the self-learning of the decision-making system are realized. By the adoption of the treatment decision method, the problems that a traditional method depends on experience, information is one-sided, and treatment is extensive are solved, advanced accurate forecasting and refined and personalized treatment of complex stratum disaster sources are achieved, and the safety and efficiency of tunnel construction are remarkably improved.

The invention relates to the technical field of ground wind field correction, and discloses a ground wind field correction method and device based on physical constraint, and the method comprises the steps: obtaining high-resolution topographic data, and calculating the influence of the topography on a local wind field based on the high-resolution topographic data; obtaining numerical forecast meteorological data, and calculating a surface layer wind field by using a Monin-Obchhoff similarity theory based on the influence of the numerical forecast meteorological data and the terrain on a local wind field; and performing statistical correction on the surface layer wind field to obtain a corrected surface layer wind field. According to the method, systematic errors are eliminated, and the forecasting accuracy of the surface layer wind field is ensured.

The invention discloses a seismic signal-based soil-structure co-evolution seismic liquefaction analysis device and method, and the method comprises the steps: obtaining geological and seismic data of a target region, and constructing a geometric ratio, time ratio and acceleration ratio co-scaling system based on a Bockingham Pi similarity theory; a seismic liquefaction multi-field coupling evolution device is constructed to evolve the soil liquefaction process of a target area, a distributed optical fiber sensor array and a micro pore pressure meter group are adopted to form a millimeter-level spatial resolution monitoring network, and a high-speed camera system is matched to synchronously capture pore water pressure, structural strain and a soil shear band expansion process. Total element time sequence correlation analysis of vibration triggering, seepage developing and structural catastrophe is achieved, the influence degree of the total element time sequence correlation analysis on the earthquake is further analyzed, and a direct basis is provided for engineering restoration priority and a reinforcement scheme.

The invention discloses a ducted fan design method and device based on a similarity criterion, and the method comprises the steps: taking a small ducted fan as a prototype, obtaining basic aerodynamic performance information of the small ducted fan through aerodynamic performance simulation, and obtaining a similarity relation of the aerodynamic performance of the ducted fan through a dimension analysis method in combination with a similarity theory; basic information such as the geometric dimension, the rotating speed and the incoming flow speed of the target large ducted fan is rapidly predicted; then, numerical simulation is conducted on the predicted large ducted fan, the aerodynamic performance of the large ducted fan is further verified, and therefore rapid design and performance prediction of the large ducted fan are achieved. According to the method, the large ducted fan is designed by utilizing the existing mature small ducted fan based on the similarity criterion, so that the scientificity and accuracy of the design are improved, the test and calculation cost is remarkably reduced, and the research and development period is shortened. And meanwhile, the aerodynamic performance and efficiency of the ducted fan can be improved.

The invention belongs to the technical field of electric power meteorology, and provides a power grid facility-oriented extreme wind speed prediction method and system, and the method comprises the steps: constructing a power grid facility-oriented extreme wind speed prediction conceptual model; the method comprises the following steps: acquiring power grid facility position, height data and numerical weather forecast data, establishing a reference wind speed prediction model at the height of the power grid facility, establishing a prediction model for local topography and landform and turbulence activity contribution, and establishing a prediction model for convection activity contribution of middle and low atmosphere. And substituting the three prediction models into the extreme wind speed prediction conceptual model, and calculating the extreme wind speed. According to the method, a wind speed diagnosis model at a power grid facility height under different atmospheric stability conditions is constructed by adopting a Monin-Obukhov similarity theory. The model considers the influence of atmospheric stability on the vertical wind profile, so that the predicted wind speed is closer to the actual situation, and the prediction precision of the extreme wind speed is remarkably improved.

The invention belongs to the technical field of mineral engineering and information, and discloses a hydraulic transmission type coal mine landslide speed control device and a test method. The method comprises the steps of prototype analysis and similarity coefficient determination; preparing and designing similar materials; material characteristic inspection: detecting physical and mechanical characteristics of the material; calculating test parameters, and calculating an expected speed, an acceleration distance and a parking height by using mathematical and numerical methods according to a similarity theory and a landslide dynamics principle; arranging sensors, adjusting the angle of the material box, carrying out a landslide mass model test, and cleaning and maintaining the material box. The test method provided by the invention has the characteristics of simplicity in operation, low cost and high repeatability, and is convenient for carrying out experimental research on landslide mass speed control under diversified geological conditions. According to the landslide mass speed control device and the test method thereof, the efficiency and safety of landslide prevention and control work can be remarkably improved, and damage of landslide disasters to the human society and the natural environment is reduced.

The invention discloses a heat exchange characteristic extraction method for heat exchanger performance modeling simulation, and relates to the technical field of heat exchanger performance modeling simulation, and the method comprises the following steps: S1, carrying out analysis based on a similarity theory to obtain a heat exchanger similarity criterion; s2, on the basis of a heat exchanger similarity criterion, analyzing by combining a heat transfer equation and a Van Ning equation, and taking unit temperature difference heat exchange power Pw and a heat exchanger correction resistance coefficient F as characteristic parameters for representing the performance of the heat exchanger; s3, an incoming flow parameter combination is given, characteristic extraction is conducted on the heat exchanger based on the traditional indirect cooling heat exchanger thermal simulation model, and a heat exchange characteristic diagram of the heat exchanger is generated; and S4, calculating the heat exchanger performance based on the extracted heat exchange characteristic diagram of the heat exchanger. The heat exchange characteristic extraction method for heat exchanger performance modeling simulation has higher calculation efficiency while ensuring calculation precision, and the extracted general characteristic diagram can be popularized and applied to engine heat exchanger component-level performance simulation.

The invention relates to the technical field of aerospace meteorology, and particularly discloses a domestic numerical weather forecast mode-based evaporation waveguide height determination method, which comprises the following steps of: obtaining meteorological coupling data output by a domestic numerical weather forecast mode CMA-MESO; determining parameters according to the meteorological coupling data and a turbulent flux algorithm COARE; constructing a temperature vertical profile and a specific humidity vertical profile according to the parameters, the Monin-Obchhoff similarity theory and an NPS model; constructing a modified refractive index profile according to the temperature vertical profile and the specific humidity vertical profile; and determining the height of the evaporation waveguide according to the height corresponding to the lowest point of the corrected refractive index profile. The method is suitable for determining the evaporation waveguide height in a domestic business meteorological mode.

The invention discloses a flow-induced vibration velocity effect similarity method based on an equivalent mode, and belongs to the field of aircraft structure dynamic strength optimization. According to the method, the scaling model is established, the flow velocity difference caused by different sound velocities of the scaling model and the full-size model is considered at the same time, a new thickness scaling factor is established in combination with the velocity ratio on the basis of a length scaling factor, and the structural vibration parameters of the full-size model are predicted through the scaling model. The influence caused by flow velocity difference can be made up, the characteristic frequency and the structural response of the full-size model can be accurately predicted through the scaling model, and the flow-induced vibration velocity effect similarity prediction precision based on the equivalent mode is improved. According to the method, a complex structure characteristic frequency is changed into a similar form only containing the combination of a thickness scaling factor and a length scaling factor through an equivalent modal method, and a curved plate flow-induced vibration structure response similar expression is deduced, so that the defects of a current flow-induced vibration similarity theory are overcome; and the prediction reliability of the aircraft structure dynamic response similarity method is improved.

The invention discloses a fan variable-frequency speed regulation control and stationary blade regulation combined regulation and control method, relates to the technical field of fan control, solves the technical problems that a fan is low in operation efficiency under non-design working conditions and narrow in stable operation range, and adopts the technical scheme as follows: starting from a characteristic curve, and combining a similarity theory to obtain a variable-frequency variable-speed control and stationary blade regulation combined regulation and control method. The optimal rotating speed and opening matching parameters of all the working condition points are given, and different from a traditional single adjusting method, the dual purposes of improving efficiency and widening the stable operation range are achieved. When one flow needs to be adjusted to another flow, the rotating speed and the opening degree can be adjusted at the same time according to the matching curve, the target flow is stably achieved under the condition that it is guaranteed that the target flow is away from the stall boundary, and reference is provided for safe and efficient adjustment of a draught fan in actual operation.

The invention discloses a radial flow type turbine design method, and relates to the field of turbine design. Aiming at the problems of high cost and low efficiency of a traditional single design, efficient design is realized on the basis of a similarity theory by establishing an impeller model stage library and a guide vane profile library. The method comprises the steps that design parameters are input, the rotating speed is preset, after the specific rotating speed is calculated, the closest model stage in a model stage library is matched, the rotating speed is corrected, and the impeller size is determined by modeling or cutting the model stage; giving an initial value of an outlet airflow angle of the guide vane, iteratively analyzing inlet pressure deviation until error requirements are met, and finally outputting correction parameters to complete design of the impeller and the guide vane. According to the method, through model-level automatic matching and parameter iterative optimization, the design efficiency and precision are remarkably improved, the method is suitable for multi-working-condition and multi-medium scenes, rapid and reliable design of the radial flow turbine is achieved, and the method has the advantages of being high in universality and high in engineering practicability.

The invention discloses a soil mechanics theory-based erosion gully microscopic scale model construction method, which comprises the following steps of: firstly, carrying out field exploration on a target erosion gully to obtain geometric and soil mechanics parameters and meteorological data, and determining a scale proportion according to a similarity theory; preparing a similar soil material from quartz sand, clay and the like, and preparing a model substrate from a fiber reinforced composite material; laying materials layer by layer, implanting fibers, setting a vegetation layer simulation environment, setting boundary conditions and a loading and monitoring system; applying a simulated load, comparing model output with a prototype or theoretical result, determining key parameters by sensitivity analysis, and adjusting and optimizing the model. The model constructed by the method is highly similar to the mechanical behavior and erosion process of an actual erosion gully, soil characteristics can be accurately simulated, data are acquired through reliable monitoring, the accuracy is ensured through scientific calibration and optimization, an effective means is provided for erosion gully research, the research cost is reduced, and high universality is achieved.

This invention proposes a method for testing a grouting curtain model system for underground pipeline vibration control, relating to the fields of underground engineering and blasting engineering technology. The method includes: constructing a test model based on similarity theory, including determining a geometric similarity ratio, constructing a model test box with a shock-absorbing boundary, and reserving grouting locations within the test box; selecting model test materials, including selecting fill materials appropriate to the project site, determining buried pipeline specifications, preparing explosive packs for simulated blasting, and preparing grouting curtain materials according to a predetermined ratio; arranging a measurement system and conducting tests, including arranging strain measurement points on the pipeline surface, deploying acceleration sensors and earth pressure sensors in the soil, and using a dynamic signal acquisition system to record measurement data during the simulated blasting process. This invention systematically reveals the vibration reduction mechanism of grouting curtains in controlling blasting vibration in urban underground pipelines, providing a theoretical basis and technical support for urban infrastructure safety.

The present disclosure discloses a four-dimensional assimilation method for wind farm data based on physical constraints and generative AI, belonging to the technical field of numerical weather prediction and wind energy prediction. The method includes: collecting various types of wind-detecting observation data from a wind farm and performing quality control; performing multi-scale preprocessing and uncertainty encoding on raw data of background field; encoding the wind-detecting observation data into conditional features; using the raw data of background field and the conditional features as joint conditional inputs to drive a generative model, and performing a reverse denoising sampling to generate a preliminary 3D analysis field; applying soft constraints and a projection correction based on physical constraints such as MO similarity theory and wake model; and performing multi-sample generation and statistical integration to output a mean and a uncertainty of analysis field and products for key height layers of wind power.

The invention discloses a progressive planning power grid evaluation method and system based on a combination evaluation theory, and relates to the technical field of power grid evaluation and optimization, and the method comprises the steps: carrying out the weight correction of an obtained index through employing a combination weighting method; obtaining an evaluation value based on a similarity theory evaluation method; carrying out standardization processing on the indexes by utilizing dimensionless processing; and performing evaluation based on nonparametric regression. According to the method, objectivity and fairness of an evaluation result are ensured through a subjective and objective combination weighting method. Through a deep learning model, especially an LSTM network and an attention mechanism, the evaluation efficiency and accuracy are improved. The systematization method disclosed by the invention has a wide application prospect. Through the design of automatically optimizing evaluation parameters, adaptive adjustment can be performed according to historical data and real-time data, so that the evaluation result is closer to reality, and the evaluation practicability is improved.

The present invention relates to the technical field of power grid assessment and optimization. Disclosed are a progressive planning-based power grid evaluation method and system based on a combined assessment theory. The method comprises: using a combined weighting method to perform weight correction on an obtained index by; obtaining an assessed value on the basis of a similarity theory-based assessment method; performing standardization processing on the index by means of non‑dimensionalization processing; and performing evaluation on the basis of non-parametric regression. By means of a combined subjective-objective weighting method, the present invention ensures the objectiveness and fairness of assessment results. By means of a deep learning model, in particular an LSTM network and an attention mechanism, the efficiency and accuracy of assessment are improved. The systematic method of the present invention has wide prospects for application. In the present invention, by means of the design of automated optimization of assessment parameters, adaptive adjustment can be performed on the basis of historical data and real-time data, so that assessment results are closer to actual values, thereby improving the practicality of assessment.

The invention relates to a method for developing drive, control, and / or regulation concepts for a vehicle using a vehicle model. In a method with which the development results can be tested under real conditions while simultaneously reducing development costs, a real vehicle model is scaled down to a true-to-scale size compared to the full-size vehicle to be developed. The dynamics of the full-size vehicle are mathematically determined, and the dynamics, rendered dimensionless using a similarity theory, are applied to the true-to-scale real vehicle model. The drive, control, and / or regulation concept is generated based on the dimensionless dynamics and tested on the scaled-down vehicle model. After a successful test, the concept is transferred to the full-size vehicle without adjustment.

The application belongs to the technical field of stress field equipment for tunnel physical simulation test, and specifically discloses a complex stress field tunnel model test loading device and a test method. The device comprises a loading assembly arranged on the surface of a supporting plate, the loading assembly is attached to the surface of a tunnel physical model to be loaded, and the non-uniform stress field of the surface of the tunnel physical model to be tested is realized by adjusting the loading assembly under the action of external load. The loading assembly comprises a loading frame, a compression column and a unit ram. The surface of the loading frame is provided with mounting holes, the compression column is arranged in the mounting holes, and the end of the compression column close to the tunnel physical model to be tested is connected with the unit ram. The compression column is composed of micro-unit bodies with different elastic modulus ratios. The three-dimensional stress field required by the physical model test is obtained according to the real stress field of the tunnel engineering prototype through the similarity theory, and the three-dimensional stress field of the physical model is divided into units and normalized to determine the different elastic modulus ratios. The device can realize non-uniform loading of the complex stress field.

The invention discloses a simulation test method for an asymmetric support effect of a weakly-cemented and strongly-expansive soft rock roadway, and belongs to the technical field of coal mining. The method aims at solving the problems that in the prior art, it is difficult to truly reproduce roadway asymmetric large deformation under the weak cementing-strong expansion-rich water multi-field coupling effect, and the effectiveness of an asymmetric supporting scheme cannot be rapidly and quantitatively evaluated. According to the technical scheme, real rock mass parameters are obtained through on-site rock core sampling; similar materials are prepared based on the similarity theory, a physical model is constructed, and the surrounding rock deformation environment is reproduced in a high-fidelity mode; designing a plurality of asymmetric support schemes for simulation comparison; a non-contact full-field strain measurement system is adopted to monitor surrounding rock deformation, and an optimal supporting scheme is optimized and applied to field verification. According to the method, complex field problems are solved to a controllable laboratory environment, rapid and accurate optimization of a supporting scheme is achieved, and a scientific and reliable basis is provided for soft rock roadway supporting design.

The application relates to a device for quickly determining the rotating speed of a ventilator on a construction site and a use method thereof, and relates to the technical field of ventilator engineering application debugging. The device comprises a hardware main body composed of a controller and a touch display screen, and a control software system with five modules of built-in parameter input, curve fitting, system resistance calculation, target working condition solution and result output. The method is based on the similarity theory of the ventilator, accurately quantifies the pipeline system resistance characteristics through on-site measurement, one-key solves the target running rotating speed, and simultaneously completes the motor adaptability determination and the belt pulley transmission ratio recommendation. The application does not need to transform the original control system of the ventilator, can complete the on-site debugging offline, greatly improves the rotating speed calculation precision, realizes the standard reaching after the replacement of the belt pulley once, and significantly shortens the debugging period and reduces the engineering cost.

The present invention provides an engineering scale CFD-DEM coupling optimization analysis method based on engineering survey permeability data, including: according to actual engineering survey, obtaining actual permeability under actual particles, and constructing the relationship between the actual permeability and actual engineering equivalent particle size; constructing a seepage field geological model, and based on the coarse-graining theory, coarse-graining and amplifying the actual engineering equivalent particle size of the seepage field geological model, and obtaining the amplification factor; based on the flow-solid motion similarity criterion, obtaining the fluid density similarity coefficient and the viscosity coefficient similarity coefficient of the seepage field geological model; and establishing the engineering scale solid control equation, the engineering scale fluid motion control equation, and the engineering scale fluid-particle interaction control equation based on the fluid density similarity coefficient and the viscosity coefficient similarity coefficient of the seepage field geological model. According to the present invention, the coarse-graining theory and the flow-solid similarity theory are introduced to extend the coarse-grid fluid-particle fluid-solid coupling analysis model to geotechnical engineering scale applications.

The invention discloses a reduced scale similarity test platform and method for slope type gravity energy storage, and relates to the technical field of energy storage, and the platform comprises an upper warehousing system, a slope transportation simulation system, a lower warehousing system, an energy storage load-carrying vehicle, an intelligent monitoring and control system, and a multi-parameter test analysis system. Through combination of the height adjustable characteristic of the upper warehousing system and the fixed foundation of the lower warehousing system, different terrain height differences and gradient conditions can be flexibly simulated, the energy storage load-carrying vehicle is strictly designed based on the physical similarity theory, accurate correspondence of dynamic characteristics between a reduced scale model and a prototype is ensured, and the dynamic performance of the energy storage load-carrying vehicle is improved. Through cooperative work of the intelligent monitoring and control system and the multi-parameter test analysis system, real-time sensing, comprehensive data acquisition and deep analysis of the operation state of the platform are achieved, and the automation degree, the measurement precision and the research efficiency of the test are greatly improved.

The present invention discloses a progressive power grid planning evaluation method and system based on a combination assessment theory, and relates to the technical field of power grid assessment and optimization. The method includes: correcting a weight of an obtained index by using a combination weighting method; obtaining an assessed value based on a similarity theory assessment method; standardizing an index by dimensionless processing; and performing evaluation based on nonparametric regression. The present invention ensures objectivity and fairness of an assessment result and the efficiency and the accuracy of assessment are improved. The present invention may be adaptively adjusted, making the assessment result closer to reality.

This invention provides a dynamic load similarity model test system and related methods and equipment, belonging to the field of civil engineering testing technology. The system includes: a box frame structure, a pavement-underpass tunnel similarity model, a vibrator module, and a data monitoring and acquisition module. The pavement-underpass tunnel similarity model is constructed from similar materials within the box frame structure based on similarity theory. The vibrator module is used to simulate and apply dynamic loads on the pavement and / or vibration loads from the underpass tunnel. The data monitoring and acquisition module is used to collect dynamic response data of the structure under the relevant loads and load value information of the two types of loads. This invention can provide a reliable physical test verification method for studying the dynamic response characteristics of pavement structures and underpass tunnel structures under the coupled influence of pavement dynamic loads and underpass tunnel vibration loads, while taking into account ease of implementation and cost.

The present invention relates to the field of nuclear power plant concrete structure assessment, and in particular to a method for establishing a chloride ion corrosion life prediction model for existing concrete. Most of the existing concrete indoor durability test parameters adopt the test parameters commonly used in the industry. This type of test is suitable for measuring the durability of different concrete materials when selecting concrete materials in the engineering design stage. For the existing concrete structures of nuclear power plants, their material parameters have been determined. Currently, there is no method for predicting the expected life of existing concrete structures based on the current status of the concrete structures. The present invention includes step one: condition investigation; step two: designing the experimental environment; step three: conducting experiments; and step four: conducting verification. The present invention proposes a method for conducting a chloride ion accelerated corrosion test on concrete samples based on similarity theory, and predicting the expected life of existing structures based on the test results.

This invention discloses a scaled-down model simulation system and method for oil-immersed transformers based on similarity theory, comprising: S1 determining the transformer model and structural parameters required for multiphysics analysis, as well as the similarity ratio of the scaled-down model for simulating physical phenomena; S2 determining the eddy current field control equations adapted to the transformer's electromagnetic field using Maxwell's equations, and deriving the eddy current field similarity criterion based on similarity theory; S3 determining the energy conservation similarity criterion based on the energy conservation equation; S4 determining the momentum conservation similarity criterion based on the momentum conservation equation; S5 determining the convective heat transfer similarity criterion based on convective heat transfer boundary conditions; S6 determining the heat flow compensation principle by integrating various similarity criteria, performing temperature-fluid field simulation, and comparing the simulation results with those of the original structural model and prototype experimental results. This invention is computationally simple, highly accurate, and efficient, and can be well applied to engineering practice.

The application discloses a reactor flow heat transfer modeling method based on fixed solution similarity theory, which comprises the following steps: 1, deriving an original control equation; 2, dimensionless processing; 3, applying fixed solution similarity theory; and 4, distortion evaluation. The application considers the universality of the flow heat transfer control equation with the introduction of the continuous medium hypothesis and the limitation of experimental research in the high-temperature and high-pressure operation environment. In view of the fact that the existing modeling theory lacks strict quantitative evaluation standards and transient distortion phenomena, the application provides a general modeling method which is not limited to working medium, thermodynamic state and does not introduce additional physical assumptions, and summarizes a group of dimensionless criterion numbers representing the flow and heat transfer physical laws, so as to provide a reference for the engineering verification experiment of the thermal fluid and reactor engineering research by using the substitute working medium.

The present application belongs to the technical field of tunnel construction geological disaster prevention, and discloses a fine treatment decision method of fusion multi-source data of complex stratum disaster source, comprising the following steps: collecting and fusing multi-source geological data, constructing a three-dimensional geological model; generating disaster source risk dynamic evaluation and treatment scheme; based on the fluid-solid coupling similarity theory, using physical model test to verify the preliminary treatment scheme, determining the optimal treatment scheme; executing the optimal treatment scheme, and dynamically regulating and controlling the treatment process; after treatment, evaluating the treatment effect through post-data, and feeding back the effect data to the three-dimensional geological model and knowledge base, realizing dynamic updating of the model and self-learning of the decision system. The present application adopts the above treatment decision method, solves the problems of traditional method relying on experience, information being one-sided and treatment being extensive, realizes advanced accurate prediction and fine and personalized treatment of complex stratum disaster source, and significantly improves the safety and efficiency of tunnel construction.

The invention discloses an optical turbulence transferable feature construction method under heterogeneous observation conditions, and belongs to the technical field of atmospheric optics, boundary layer meteorology and data driving prediction. The method comprises the following steps: firstly, preprocessing heterogeneous observation data to obtain an effective observation sequence meeting a construction condition; secondly, introducing a unified reference height mapping item and a stability bounded correction item into a Monin-Obukhov similarity theory framework, constraining a measurement height item and the stability correction item, and constructing an optical turbulence characterization quantity; then isomorphic re-parameterization is carried out on the effective observation sequence according to constituent variables and a function relation of the optical turbulence characterization quantity, and transferable features with unified physical significance are generated; and finally, carrying out time sequence expansion on the transferable features to form a transferable feature set to be called by a future optical turbulence characterization quantity prediction model of the target scene. According to the method, feature space offset among different observation conditions can be reduced, and feature physical interpretability and migration consistency are improved.