Short-wave radio set electromagnetic pulse test circuit based on finite-difference time-domain analytical method

Abstract

The invention discloses a short-wave radio set electromagnetic pulse test circuit based on a finite-difference time-domain analytical method, which comprises an algorithm control unit, an electromagnetic pulse generator and a radio set load and test unit, wherein the electromagnetic pulse generator generates electromagnetic pulse interference entering the test unit after radio set loading; the test unit is used for measuring the influence on the radio set load by the electromagnetic pulse interference and sending the measured result to the algorithm control unit for computational simulation; the algorithm control unit is used for carrying out computational simulation according to data provided by the test unit, and the result provides reference for the electromagnetic pulse protection of a radio set. The invention utilizes the finite-difference time-domain method to carry out analyzing simulation on antennae, cables and screening body models of the short-wave radio set to obtain the coupling law under the condition of specific electromagnetic pulse parameters and design the protection circuit or protection mode of the antennae, cables and screening body hole seams of the short-wave radio set. The invention is especially suitable for electromagnetic pulse protection of high-sensitivity and high-gain radio sets and other sensitive equipment.

Description

technical field [0001] The invention relates to an electromagnetic pulse protection circuit and a design method of a shortwave radio station, specifically, a finite difference analysis method is used to analyze the electromagnetic pulse of the antenna, cable and shielding body of a shortwave radio station, and the computer simulation results are used to obtain Specific parameters of electromagnetic wave characteristics, design and implementation of electromagnetic pulse protection circuits and methods for antennas, cables and shielding bodies of short-wave radio stations. Background technique [0002] With the rapid development of microelectronics technology, the degree of special integration of communication electronic systems has been continuously improved. These highly microelectronic communication electronic systems have greatly improved system performance, but also increased the system’s resistance to high-energy impacts such as electromagnetic pulses. Vulnerability and...

AI Technical Summary

Problems solved by technology

[0006] The current short-wave radio stations generally use technologies such as large-scale integrated circuits and digital signal processing, and their structures are relatively complicated.

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