Phased array radar strong electromagnetic pulse shield

Abstract

The invention discloses a phased array radar strong electromagnetic pulse shield, including more than one protective layer and support structure layers located at two sides of the protective layers; each protective layer includes a frequency selection layer, semiconductor diodes loaded on the frequency selection layer and a direct current bias module connected with a radar transmitter, wherein the direct current bias module is connected with the frequency selection layer; the frequency selection layer includes an upper conducting layer, a substrate and a lower conducting layer, wherein the upper conducting layer includes upper conducting layer units, and the lower conducting layer includes lower conducting layer units; each upper conducting layer unit includes a metal square frame in which four square metal sheets are arranged, and a rectangular metal sheet is arranged between adjacent metal sheets; 16 semiconductor diodes are arranged on each upper conducting layer unit, wherein 8 semiconductor diodes are located between the rectangular metal sheets and the square metal sheets, and 8 semiconductor diodes are located between the square metal sheets and the metal square frame; and the lower conducting layers include cross-shaped metal sheets. The phased array radar strong electromagnetic pulse shield provided by the invention can effectively protect a phased array radar.

Description

technical field [0001] The invention belongs to the technical field of strong electromagnetic pulse protection, and in particular relates to a phased array radar strong electromagnetic pulse protective cover, which can be used for various L, S, and C frequency band phased array radars without affecting the normal operation of the radar. strong electromagnetic pulse protection. Background technique [0002] With the development of electromagnetic pulse technology, strong electromagnetic pulse weapon (including broadband ultra-wideband electromagnetic pulse and narrowband high-power microwave pulse) technology is gradually applied to equipment. At present, due to the super multi-target detection capability of phased array radar, phased array radar has become a major development trend of electronic information equipment. With the continuous enhancement of the detection capability of phased array radar, the sensitivity of phased array radar receiver is continuously improved, an...

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Problems solved by technology

[0005] The invention aims to solve the problem that the existing low-power equipment strong electromagnetic pulse protective cover cannot effectively protect the phased array radar due to the low protective starting field strength, and proposes a protective starting field strength adapted to the phased array radar that can follow the Phased array radar strong electromagnetic pulse shield with synchronous change of phased array radar sending and receiving period

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