85 results about "Spatial simulation" patented technology

A geospatial modeling system may include a geospatial model database and a processor. More particularly, the processor may cooperate with the geospatial model database for inpainting data into at least one void in geospatial model frequency domain data based upon propagating contour data from outside the at least one void into the at least one void, and for converting the geospatial model frequency domain data after inpainting into geospatial model spatial domain data.

The invention provides a wetland landscape surface layer cold and wet climatic element GIS space simulation method based on remote sensing data, and relates to the wetland landscape surface layer cold and wet climate space simulation method based on the remote sensing data. The method solves the problem that temperature space distribution with high precision cannot be obtained in an existing space interpolation method. The method includes the steps of obtaining vegetation index data set NDVI of an MODIS remote-sensing image in a research area, a surface temperature data set LST and a precipitable water data set Pw, building an inversion model of surface layer temperatures and relative humidity, obtaining space distribution of internal temperatures and surface layer relative humidity of wetland patches and dry land patches, obtaining an average value of surface layer cold and wet climatic elements of the wetland patches and the dry land patches, building a horizontal changing model of a cold and wet climate element edge effect, and carrying out space simulation on surface layer temperature and humidity under a wetland landscape scale by means of GIS techniques. The method can be widely applied to the space simulation of wetland landscape climate.

The invention discloses a spatial simulation method for plant species richness distribution. The method is implemented by mainly comprising the three steps of firstly, on the basis of collecting and preprocessing natural reserve plant species data, land utilization/coverage data, annual average biological temperature and precipitation data, DEM data and soil data of a research area, realizing spatial processing and statistical analysis of parameter factors; secondly, establishing optimal equations of correlation between plant species richness and three major habitat factors including a land utilization/coverage area, an environmental factor and a land utilization/coverage type structure index; and finally, realizing comprehensive integration of the optimal correlation equations of the three major factors, constructing the spatial simulation method for the plant species richness, and realizing spatial simulation analysis of the plant species richness. The method not only can realize spatial distribution simulation of the plant species richness in a meso-macro-scale but also has very high simulation precision and very high operability.

The invention discloses a culture space simulation method based on the multimedia digital technology. The method comprises the following steps: constructing a virtual simulation system by relying on the computer virtual reality (VR) technology, and conducting interactive simulation and information exchange through use of various types of interactive equipment in a virtual environment by a use; conducting digital reproduction on cultural heritage through the image and computer imaging technology by a vision-based method, and preserving and reproducing the historical memories of temples and ancestral halls as cultural space in changes by utilizing the advanced virtual reality + temples and ancestral halls multimedia digital technology. According to the culture space simulation method, the conventional virtual reality technology is adopted to simulate the most prosperous scene at the time and reproduce the former Tang river historic building cultural scene to the world; the spreading design of the original style of the Tang river basin historic buildings is based, new landscapes and functional properties are selectively endowed, the landscapes are reproduced through the simulation and reproduction design, the peculiar humanity and geographical position complex is created, and the folk culture of the Ou Yue region is continued.

The invention relates to an inkjet printing quality fuzzy evaluation method which is characterized in that the image acquisition technology is used for realizing the transformation between inkjet printed images and digital images, and the evaluation performed by the human visual system to inkjet printing colors is simulated based on a S-CIELAB color space; by utilizing the mass distribution theory, the ink absorption amount of inkjet printing paper for a single pixel point is simulated; and by utilizing the measure theory, inkjet printing clarity quality is estimated. On a basis of the colors and the clarity quality and with a combination of human visual characteristics, an inkjet printing quality fuzzy evaluation algorithm is established, and a numerical value Image-QAIJP is given to the algorithm. The method has few test data and fast speed, effectively overcomes the defects that a printed image quality subjective evaluation method wastes time and money, and a conventional objective evaluation method is single or is not matched with an actual image quality, and provides an effective measure for inkjet printing quality analysis. In addition, the needed matched apparatuses are simple, are low in cost and convenient to use.

The invention discloses a spatial position simulation and calibration method. The method includes: utilizing a laser beam reflected by a plane mirror to perform space angle calibration between models A and B and an engine, in other words, replacing an axis of the engine with the laser beam, mounting the plane mirror on a plane perpendicular to the axis, if the laser is not perpendicular to the plane, forming an included angle between an incident laser beam and the reflected laser beam, and determining size of angular deviation by comparing positions of the incident laser beam and the reflected laser beam at a remote location; utilizing an engine center calibrator to align the model B and the engine, in other words, enabling the laser beam to pass through a center hole of the engine enter calibrator, adjusting a three-dimensional mobile device to enable the laser beam passing through the center hole to irradiate the center of the model A, and completing spatial position simulation and calibration between the models A and B. the method has the advantages that relative position adjustment of the engine and test piece models which are contactless is realized in three-dimensional space conveniently, accuracy of adjustment is high, and the angular deviation and positional deviation between the modes are not more than 0.1 degree and 0.2mm respectively.

The invention belongs to the technical field of ecological functional areas, and particularly relates to a three-generation space optimization method based on external ecological function positioning,which comprises the following steps: (1) simulating a three-generation space quantity structure, wherein the three-generation space quantity structure is constructed by taking maximum ecological system service value as a target according to national key ecological function area requirements, and is obtained through a gray linear programming model; (2) configuring a three-generation space pattern;constructing a MLP-CA model by combination of multi-layer neural network and cellular automaton,wherein the model comprises two modules, namely a training module and a simulation module; in the training module, the trained network is utilized to automatically obtain internal conversion rules, the external conversion rules are superposed, and then the conversion rules are input into the simulationmodule to complete the three-generation space simulation operation process. According to the method, three-generation space optimization under ecological function positioning is highlighted, and synchronization of three-generation space quantity simulation and pattern configuration is realized.

The invention discloses an impact-proof buffer release control method and experiment apparatus for a space tether system combination body. The impact-proof buffer release control experiment apparatus comprises a master control computer, a visual sense detection device, an optics identifier, an object emulator, an elastic tether, a tether folding and unfolding apparatus, a task platform emulator and a basic platform. An impact-proof buffer release ground experiment platform capable of simulating a space microgravity environment is designed, and a foundation is laid for verifying effectiveness of proposed control strategies on the ground. The impact-proof buffer control method for the tether system combination body is simple, effective and capable of realizing impact-proof buffer control over the combination body via tension force control over tethers so as to prevent system impact and collision The method is advantaged by simple control, rapid control responses, strong robustness, convenience of engineering implementation and the like. The method is suitable for controlling the space tether system combination body on general occasions. The impact-proof buffer release control method and experiment apparatus can be used for simulating the ground experiment platform in a weightless environment in space, and the platform can be widely applicable and can be used for conducting other relevant space simulation experiments.

The invention discloses a kind of method which can make the motive storage device (includes U disc, mobile hard disc, and the mobile phone with U disc function)enlarge by software, and copy the data on the network sever. The method sets the solidification program on the mobile storage disc, the program starts when the device connects with computer, the data stored in storage device is copied to network sever, and the space of network sever is as the spare and accessorial space of said device. So it can realize the aim to enlarge space by software and increase the data security.

The invention relates to a thermal imager online calibration method under a space simulation environment. A space simulation container is arranged, a black body serving as a calibration device is arranged between the inner wall of the space simulation container and an interlayer of a heat sink and/or in the space simulation container, a test objective is arranged in the space simulation container,a thermal imager is arranged outside or inside the space simulation container, the relative positions of the thermal imager and the black body are adjustable, and by collecting an image of the blackbody, the thermal imager is calibrated online in real time. Accordingly, the calibration device can be flexibly moved in and out in a test, the purpose that in the same test ground, calibration on thethermal imager under the inside and outside circumferences and measurement on the objective can be achieved, and the measuring error is small.

It is possible to easily perform the spatial simulation for a large area. Provided is a computer-readable medium recorded with a spatial simulation program for controlling a computer to execute procedures for calculating a time-based change of a variable in a plurality of numerical grids to reproduce on a computer a time-based change of a phenomenon represented by the variable in a space represented by the plurality of numerical grids, the spatial simulation program including the procedures of: defining a sub domain composed of the plurality of numerical grids (201); setting a forcing condition for the sub domain (204); detecting the sub domain including the numerical grid in which the variable changes with time; detecting the sub domain including the numerical grid in which the variable referred to for calculating the time-based change is positioned (205); and updating variables in the numerical grids constituting the detected sub domain (208).

The invention discloses a method and a system for generating a disciplinary knowledge map based on disciplinary logic knowledge relations. The method comprises a step of automatically generating knowledge points and connecting lines and a step of automatically generating knowledge relation lines. The step of automatically generating knowledge points and connecting lines further comprises: a substep of knowledge point configuration, used to generate chapter spatial data and configuration files; a substep of knowledge point connecting line generation, used to generate knowledge point connecting lines; and a substep of knowledge point spatial data generation, used to generate knowledge point spatial data. The step of automatically generating knowledge relation lines further comprises: a substep of knowledge relation configuration, used to generate logic knowledge relation configuration files; and a substep of knowledge relation line generation, used to generate knowledge relation spatial data. The method generates a disciplinary knowledge map meeting map characteristics according to logic description of knowledge structure and based on a geographic element spatial simulation technology, so as to provide convenience for a user to understand subject knowledge structure and visualization query.

In order to overcome the defects of an existing spatial interpolation method, the invention provides a spatial interpolation method and device for soil heavy metals and a computer readable storage medium, and the spatial interpolation method comprises the following steps: by utilizing the principal component analysis and multiple linear stepwise regression functions of SPSS 22.0 and combining the spatial analysis function of Arcgis 10.2, calculating the spatial interpolation of soil heavy metals; analyzing the correlation between the soil heavy metal element content and the environment variable; main influence factors are extracted by analyzing the significant difference of the soil heavy metal content on different types of variables; and then main component analysis is utilized to extract main control environment factors, and a main component analysis improved regression Kriging model fusing natural and human factors is constructed. According to the method, a spatial simulation diagram of various soil heavy metals according with actual spatial distribution can be obtained, and an effective theoretical basis can be provided for risk management and control of the soil heavy metals.

The invention relates to an experiment measurement method and device for laser and space debris mutual effect. The measurement method comprises the following steps of making preparation, namely arranging space debris in a spatial simulation vacuum experiment cabin to enable the space debris to be in vacuum, cold-back and suspended motion states and meanwhile starting a debris motion state measuring system; performing action, namely irradiating laser to the space debris in a one-time, multiple-time or continuous mode to enable the motion states to be changed after the space debris is stressed, meanwhile enabling the debris motion state measuring system to observe and calculate the motion states of the space debris in real time; processing data, namely processing, analyzing and outputting the data. By means of the experiment measurement method and device, the mutual effect process of the laser and the space debris can be really reflected, a three-dimensional six-freedom-degree motion track of the space debris is measured, and mechanical characteristic of the mutual effect of the laser and the space debris is inversed.

A calibration tester for oxyhemograph is composed of a base, an integration semi-sphere connected to base to form a high-leg wine cup's shape, and a disc-shaped working platform on the top of said integration semi-sphere and with one emitting hole and three receiving holes. It can provide a permanent and stable test standard for calibration and static test.

The embodiment of the invention provides a method and system for predicting the soil pollution range of a heavy metal attenuation pollution source, and the method comprises the steps: dividing a target pollution region into a plurality of grids with preset sizes, and building a cellular automaton; for each grid at the current moment, enabling the cellular automaton to calculate the pollutant concentration of each grid at the next moment according to the pollutant concentration of each grid at the current moment, the pollutant concentration output quantity of each grid and the pollutant concentration input quantity of each grid; repeating the process until the number of the standard-exceeding grids reaches the maximum, and taking the boundary of all the standard-exceeding grids as the soilpollution influence range. Aiming at the problem of pollution of a heavy metal attenuation pollution source to surrounding soil, a cellular automaton geographic space simulation framework is adopted,and the cellular automaton is applied to soil pollution range prediction to determine a determination method for terminating iterative computation, so that quantitative dynamic simulation of the influence range of the pollution source is realized.

The invention relates to a realizing method of register window switching technology in dynamic binary translation, belonging to the technical field of computers. The realizing method comprises the following steps: corresponding to all register windows on a source platform by using a section of continuous memory space; storing the address of the current register window in the corresponding simulated memory space on the source platform using a virtual register and simulating a control/state register and a global register by using the other fixed memory space, wherein the control/state register and the global register are irrelevant to the register windows; determining the positions of the registers of the source platform in the simulated memory in a second-level addressing mode; and dynamically adjusting the value of the virtual register when each register window switching instruction is translated at the front end of a translator. The invention uses the second-level addressing mode to enable the value of the virtual register to be adjusted only when each register window switching instruction is translated into an intermediate instruction, thereby effectively reducing memory access frequency and further improving the execution efficiency of object codes after translation.

The invention discloses a simulation measurement method for a community life circle, and provides a space simulation and division method for planning the community life circle after a planning scheme is implemented, which breaks through the limitation that the existing technical method can only identify the current community life circle. By combining mobile phone signaling data commonly used in urban research with regression analysis, life circle identification, prediction, division and evaluation are carried out based on resident behavior characteristics, so that the method has universality and accuracy.

The invention discloses a habitat factor-based vegetation type spatial simulation method. The method, for spatial complexity and nonlinearity characteristics of vegetation type distribution, introduces an SVM algorithm, and builds a habitat factor-based vegetation type spatial simulation model. The method mainly comprises the three steps of firstly, by utilizing remote sensing and GIS spatial analysis methods, preprocessing basic data of habitat factors such as physioclimate, soil terrains, population traffic and the like of a case area; secondly, adopting a radial basis function (RBF) as a kernel function of an SVM, training an SVM model by applying the preprocessed basic data, searching for optimal model parameters by adopting a grid search method, and building the habitat factor-based vegetation type spatial simulation model; and finally, running and verifying the model, thereby realizing vegetation type spatial distribution simulation of the case area. The method not only facilitates realization of quantitative simulation of vegetation type and vegetation type spatial distribution in a meso-macro-scale but also has very high simulation precision and very high operability.