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Space electromagnetic intensity distribution analysis method

A technology of intensity distribution and analysis method, applied in the direction of electromagnetic field characteristics, etc., can solve problems such as no effective monitoring and analysis method

Inactive Publication Date: 2013-06-12
XIDIAN UNIV
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Problems solved by technology

[0004] Currently existing space electromagnetic intensity analysis methods are mainly used for civilian electromagnetic radiation intensity detection, and some are used for power synthesis in electronic countermeasures, but for the electromagnetic distribution analysis of the target airspace, there is no effective monitoring and analysis method.

Method used

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Embodiment Construction

[0027] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as figure 1 As shown, a spatial electromagnetic intensity distribution analysis method includes the following steps:

[0029] 1) According to the requirements of spatial electromagnetic intensity analysis, determine the observation and test space area, and divide the area into grids, and the test points in the subsequent steps can be selected in the divided grid area, such as the center point of the grid.

[0030] 2) Determine the number, type, transmission power, transmission frequency, transmission signal, speed and direction diagram of radar transmitters, communication transmitters and interference transmitters and other radiation sources:

[0031] Firstly, the space radiation sources are classified. Generally, space radiation sources can be roughly classified into three categories according...

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Abstract

The invention discloses a space electromagnetic intensity distribution analysis method, which comprises the following steps of: 1, determining an observation and test space region according to space electromagnetic intensity analysis requirements, and meshing the region, wherein a test point in subsequent steps can be selected from mesh regions; 2, calculating a relative distance and a relative direction between the point and each piece of equipment according to the position of the test point; 3, calculating a time-domain signal of the test point according to a formula for a composite signal by utilizing calculation results obtained by the step 2; 4, performing Fourier transform on the time-domain composite signal obtained by the step 3 to obtain the frequency-domain energy distribution of the space composite signal at the test point; and 5, repeating the steps 2 to 4 for the whole observation and test region to obtain the composite electromagnetic radiation intensity data of a space radiation source of the observation and test region. According to the method, the distribution of the space electromagnetic intensity can be analyzed more accurately and efficiently.

Description

technical field [0001] The invention belongs to the fields of space electromagnetic environment monitoring and space electromagnetic situation awareness, and in particular relates to a space electromagnetic intensity distribution analysis method. Background technique [0002] Under the condition of informatization, the electromagnetic environment has unprecedented complexity and unpredictability. The electromagnetic environment is invisible and cannot be experienced intuitively. Analyzing its composition and characteristics is crucial to understanding the electromagnetic environment. There are many elements that constitute the electromagnetic environment, but man-made electromagnetic activities are the most active factor. It is a very effective research method to outline the morphological characteristics of the electromagnetic environment by adopting the "four domains" description method of the air domain, time domain, frequency domain and energy domain in electromagnetic s...

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Application Information

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IPC IPC(8): G01R29/08
Inventor 刘聪锋杨洁张煜朱燕简康赵梓越王龙张运豪屈文月
Owner XIDIAN UNIV
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