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A variable-scale rasterization method and system for regional electromagnetic environment calculation

An electromagnetic environment and scale-changing technology, applied in the direction of electromagnetic field characteristics, can solve problems such as large amount of calculation and difficulty in meeting user requirements, and achieve the effect of improving applicability and solving real-time calculation

Active Publication Date: 2018-01-02
SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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  • Description
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  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to solve the technical problem that the method in the prior art has a large amount of calculation and is difficult to meet the requirements of users

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  • A variable-scale rasterization method and system for regional electromagnetic environment calculation
  • A variable-scale rasterization method and system for regional electromagnetic environment calculation
  • A variable-scale rasterization method and system for regional electromagnetic environment calculation

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Embodiment Construction

[0025] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings of the specification.

[0026] figure 1 It is a schematic diagram of the reference scale rasterization in the prior art. The area to be monitored is rasterized according to the reference scale, and the result is as follows figure 1 As shown, the rasterization scale size is formulated based on the comprehensive consideration of the size of the research area, the generalization requirements of the regional environment (including terrain, buildings, forests, etc.), and computing power. In general, the reference scale rasterization is used to calculate the regional electromagnetic environment, and the calculation result of the grid center coordinate position represents the electromagnetic environment of the entire grid area.

[0027] The variable-scale rasterization is to divide some research areas into more refined or coarser divisions for areas of f...

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Abstract

The invention relates to the technical field of electromagnetic environment monitoring, and discloses a variable-scale rasterization method and system for regional electromagnetic environment calculation. The method specifically comprises the following steps: achieving the rasterization of a to-be-monitored region through a reference scale, distinguishing a key interest region and a non-insterest region in the to-be-monitored region through combining geographical environment information, carrying out the division of the key interest region through a finer rasterization scale, and enabling the non-insterest region to be divided through a rougher rasterization scale; carrying out calculation through a new grid center position after variable-scale rasterization, wherein the calculation results represent the electromagnetic environment of the whole grid region. The method distinguishes the key interest region and the non-insterest region in the to-be-monitored region, thereby meeting the demands of a user for the finer division of the key interest region, and reducing the calculation workload. The invention also discloses a system implementing the above method.

Description

Technical field [0001] The invention relates to the technical field of electromagnetic environment monitoring. The invention discloses a variable-scale rasterization method and system for regional electromagnetic environment calculation. Background technique [0002] With the wide application of electromagnetic technology in civil and military fields, the study of electromagnetic wave propagation characteristics in complex environments and the field strength distribution in the entire region is of great significance. [0003] The existing electromagnetic wave propagation characteristics prediction is mainly divided into empirical model analysis method, semi-empirical semi-deterministic model analysis method and deterministic model analysis method. The empirical model analysis method obtains the propagation model based on a large number of actual radio wave measurement results. The method is simple and does not require high environmental information, but the calculation accuracy is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08
CPCG01R29/08
Inventor 李世泽刘田耿晨钟
Owner SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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