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Data-based strong electromagnetic pulse electromagnetic coupling modeling method

A pulsed electromagnetic and modeling method technology, applied in electrical digital data processing, special data processing applications, instruments, etc., to achieve the effect of easy acquisition of experimental data and simple method.

Inactive Publication Date: 2012-07-11
PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a data-based strong electromagnetic pulse electromagnetic coupling modeling method, which solves the problem of electromagnetic coupling modeling under the conditions of complex EUT structure, diverse electromagnetic coupling paths, and strong nonlinear coupling. lack of

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  • Data-based strong electromagnetic pulse electromagnetic coupling modeling method
  • Data-based strong electromagnetic pulse electromagnetic coupling modeling method
  • Data-based strong electromagnetic pulse electromagnetic coupling modeling method

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Embodiment Construction

[0017] Such as figure 1 and 2 , the first step is to analyze and determine the observable time series of the input and output ports of the EUT. Here, the EUT is regarded as a weak nonlinear system, and the strong electromagnetic pulse signals (ESD, NEMP, LEMP, HPM, UWB, etc.) entering the EUT will be irradiated. ) U as the input, and the voltage signal V induced on the EUT as the output, such as image 3 shown.

[0018] In the second step, with the input and output data, the electromagnetic coupling process of strong electromagnetic pulse can be expressed by Volterra series as:

[0019] v ( t ) = v 0 + Σ n = 1 ∞ v n ( t ) + e ( t ) ...

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Abstract

The invention discloses a data-based strong electromagnetic pulse electromagnetic coupling modeling method, which is suitable for the requirements of transient electromagnetic field electromagnetic coupling modeling with the characteristics of instantaneity, broadband, high field strength and wide action range, such as electro-static discharge (ESD) coupling modeling, nuclear electromagnetic pulse (NEMP) coupling modeling, lightning electromagnetic pulse (LEMP) coupling modeling, high-power microwave (HPM) coupling modeling, ultra wide band (UWB) coupling modeling and the like. The data-based strong electromagnetic pulse electromagnetic coupling modeling method is characterized in that transient modeling is performed by utilizing observable experimental data before and after an electromagnetic coupling process; input data are strong electromagnetic pulse signals (ESD, NEMP, LEMP, HPM and UWB) starting to entering equipment under test (EUT) in the manner of irradiation; and the input and the output of an electromagnetic coupling process are synchronously tested time sequences. A second-order or high-order Volterra kernel function is adopted by a model structure so as to meet different requirements of nonlinear degree system modeling. A frequency domain identification algorithm is high-order spectral estimation. A brand-new path is opened to solving the complicated strong electromagnetic pulse electromagnetic coupling modeling problem by the method.

Description

Technical field [0001] The invention relates to a data-based strong electromagnetic pulse electromagnetic coupling modeling method, which is suitable for ESD, NEMP, LEMP, HPM, UWB and other transient electromagnetic field electromagnetic coupling with the characteristics of transient, wide frequency band, high field strength, and large action range modeling needs. Background technique [0002] The evaluation of electromagnetic pulse effects includes two aspects: experimental testing and effect simulation. EMP effect simulation has become a research hotspot in the field of electromagnetic compatibility at home and abroad, and electromagnetic coupling model research is a prerequisite for carrying out EMP effect simulation research, protection design, and realization of system electromagnetic compatibility. It is of great significance to improve the safety and reliability of electronic systems. However, the existing research results are far from meeting the research needs of t...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 高永生马久河房立清魏明
Owner PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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