Cable harness electromagnetic pulse sensitivity test system and method based on long-line crosstalk

Abstract

The invention discloses a cable harness electromagnetic pulse sensitivity test system and method based on long-line crosstalk, and aims to solve the problems that an electromagnetic pulse sensitivity test method is low in coupling efficiency, high in performance index requirements on equipment such as an electromagnetic pulse source and the like, and inconvenient to flexibly change interference field incidence and polarization parameters. The method comprises the following steps: firstly, establishing a test platform, selecting an incident angle, a direction angle and a polarization angle to be tested, and then calculating an output waveform of an electromagnetic pulse source connected to a grounded flat plate; the sensitivity test method provided by the invention is different from a standard method and an existing alternative test method, the adjacent long cables in mutual crosstalk are used as a coupling network, crosstalk belongs to near-field coupling, and the coupling efficiency of the sensitivity test method is far higher than that of far-field coupling of the standard method. Compared with the prior art, equipment such as a TEM cell and a GTEM cell does not need to be used, the test platform is simple, the cost is low, the operation is convenient, and the method has good application prospects in the technical field of cable harness radiation sensitivity testing.

Description

technical field [0001] The invention belongs to the technical field of cable harness electromagnetic pulse sensitivity testing, and relates to a cable harness electromagnetic pulse sensitivity testing system and method based on long-line crosstalk. Background technique [0002] Electromagnetic pulse (EMP) is the transient, wide-area, and high-intensity electromagnetic radiation produced by high-altitude nuclear explosions. Through the coupling of cable bundles, high voltage and high current can be induced at key ports of well-shielded electrical and electronic equipment. It leads to equipment interference, degradation, downtime, damage and other effects, which poses a huge threat to the electromagnetic safety of equipment, systems and equipment. [0003] For the purpose of testing the electromagnetic pulse damage capability of equipment, the method RS105 of GJB 151B-2013 "Electromagnetic Emission and Sensitivity Requirements and Measurements of Military Equipment and Subsyst...

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Problems solved by technology

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a cable harness electromagnetic pulse sensitivity test system and method based on long-line crosstalk, aiming at solving the low coupling efficiency of the electromagnetic pulse sensitivity test method in the prior art, High requirements on the performance indicators of electromagnetic pulse sources and other equipment, and the defect technical problem that it is not convenient to flexibly change the incident and polarization parameters of the interference field

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