Electronic device electromagnetic environmental effect test system and test method under electromagnetic pulse compound field environment

Abstract

The invention discloses an electronic device electromagnetic environmental effect test system and test method under an electromagnetic pulse compound field environment. A tested electronic device is fixed to a tested posture control table and placed in a uniform field test area, the tested electronic device is set to a certain working state by using an electronic device working state controller, and the tested posture control table is adjusted, a magnetic field control circuit and an electronic field control circuit are controlled to set a magnetic field amplitude value and an electronic fieldamplitude value, a magnetic field generator and an electronic field generator are subjected to linkage and trigger, and a compound field is formed to perform an irradiation effect test. The magneticfield amplitude value, the electronic field amplitude value and delaying time are continuously changed from low to high, responding phenomenon and responding signals of the tested electronic device under different interference source parameters are recorded, and effect laws are analyzed. The electronic device electromagnetic environmental effect test system and test method under the electromagnetic pulse compound field environment ensure standardization and rationality of the electromagnetic environmental effect test of the electronic device, improve accuracy of the electromagnetic environmental effect test of the electronic device, and are suitable for carrying out relative research work of an electromagnetic pulse compound field environmental effect test of a ground nuclear explosion source area.

Description

technical field [0001] The invention relates to the technical field of electromagnetic interference testing methods, in particular to a method for testing electromagnetic environment effects of electronic equipment in a low-frequency, low-impedance electromagnetic pulse composite field environment. Background technique [0002] Due to the extreme asymmetry of the explosive environment, when a nuclear weapon explodes on the ground, its source area can produce a peak magnetic induction intensity of hundreds of gauss, a pulse duration of milliseconds, a main energy spectrum ranging from 10Hz to 100kHz, and a wave impedance less than 377Ω. Low-frequency low-impedance pulse strong magnetic field, the rise time of the electric field generated by it is 10-100ns, the half-wave width is 1ms, and the intensity is as high as 100kV / m. The electromagnetic pulse environment in the ground nuclear explosion source area has the characteristics of high intensity, high energy, low frequency, l...

AI Technical Summary

Problems solved by technology

In domestic research, there are neither test requirements nor suitable test methods for the effect test of electronic equipment in the low-frequency, low-impedance electromagnetic pulse compound field environment of the ground nuclear explosion source area to ensure the standardization and rationality of the electromagnetic environment effect test of electronic equipment.

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