Multi-source multi-channel complex electromagnetic environment simulation generation method

Abstract

The invention discloses a multi-source multi-channel complex electromagnetic environment simulation generation method. The method comprises the following steps: step 1, adjusting a main beam of a transmitting antenna to point to a key part of tested equipment; step 2, constructing an electromagnetic environment physical simulation system which comprises an ultra-wideband electromagnetic signal transmitting unit, a complex electromagnetic environment simulation device, a wideband up-converter, an ultra-wideband data recording and playback unit, a power amplifier, a directional coupler, a power meter, a test antenna and a switch; and step 3, real-time monitoring of complex electromagnetic environment generation: reading the coupling end power of the physical simulation channel by adopting a method of connecting a coupler to the output end of a power amplifier, and monitoring the electromagnetic environment generation of each channel. The frequency coverage range is wide, and the signal simulation types are diversified; software drives a plurality of radiation sources to efficiently and automatically realize simulation generation of a complex electromagnetic environment; and the built electromagnetic environment data can be obtained in real time, and system error introduction is controlled.

Description

technical field [0001] The invention relates to the field of electromagnetic compatibility testing, in particular to a multi-source and multi-channel complex electromagnetic environment simulation generation method. Background technique [0002] The complex electromagnetic environment contains multiple types of signals with complex components and various changing rules, which are characterized by dense, crowded, overlapping, dynamic changes in spectrum, and uneven energy density, which brings many uncertain effects to the performance of electronic equipment. Therefore, it is urgent to carry out physical simulation and construction research of complex electromagnetic environments to carry out performance tests of electronic equipment under complex electromagnetic environment conditions. [0003] my country has carried out some basic research work in the construction of complex electromagnetic environment. However, through comparison, it is found that the research projects th...

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a multi-source and multi-channel complex electromagnetic environment simulation generation method for the defects in the prior art, so as to solve the problems of the existing electromagnetic interference simulation method with narrow simulation frequency band, single simulation object, and lack of closed-loop simulation environment Monitoring problems, realize the simulation of multiple types of electromagnetic environments such as its own electromagnetic environment, background electromagnetic environment, and threat electromagnetic environment, and improve test capabilities and test efficiency at the same time

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