Ultra-wide-spectrum high-power microwave sensor based on aqueous medium

A high-power microwave and sensor technology, applied in the antenna radiation pattern and other directions, can solve the problems of insufficient measurement time window, inability to apply wide pulse width, and unsatisfactory measurement results, and achieve long-distance transmission, light weight, and reduced construction. effect of time

Active Publication Date: 2020-08-14
中国人民解放军63660部队
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problem that TEM horn antenna and D-dot sensor have insufficien

Method used

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  • Ultra-wide-spectrum high-power microwave sensor based on aqueous medium
  • Ultra-wide-spectrum high-power microwave sensor based on aqueous medium
  • Ultra-wide-spectrum high-power microwave sensor based on aqueous medium

Examples

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[0043] Example 1

[0044] The rectangular parallelepiped shell 2 is made of polytetrafluoroethylene material with a dielectric constant of 2.4, the size is Ls=304mm, Ws=40mm, Hs=5.5mm, and thickness Ts=2mm. The metal conductor tape 3 is pasted at the middle position of the inner bottom of the rectangular parallelepiped shell 2, and its length, width, and height are respectively Lc=300mm, W=3mm, and Tt=0.5mm. The thickness Tg of the grounding metal plate 4 is 2 mm, and it fits tightly with the cuboid housing 2 to form a closed cavity. Pure water fills the entire cavity through an orifice valve located on the cuboid shell 2. The metal conductor strip 3 is immersed in pure water and kept at a distance of 1mm from the grounded metal plate 4, wherein a cylindrical dielectric support structure 5 is set between the metal conductor strip 3 and the grounded metal plate 4, with a height of 1mm and a diameter of 3mm. The material is polytetrafluoroethylene. The distance between the weldi...

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Abstract

The invention belongs to the technical field of high-power microwave measurement, and provides an ultra-wide-spectrum high-power microwave sensor based on an aqueous medium. The sensor comprises an aqueous medium, a cuboid housing, a metal conductor band, a medium supporting structure, a metal probe, and a coaxial output port. The cuboid housing is arranged above a grounding metal plate; the metalconductor band is arranged in the middle of the bottom of the inner side of the cuboid housing; a hole valve is arranged at the upper part of the cuboid housing and is used for injecting a water medium so as to fill a cavity formed by the cuboid housing and a metal grounding plate; one end of the metal probe passes through the grounding metal plate and the aqueous medium and is connected with oneend of the metal conductor band, and the other end is connected with a coaxial output port. According to the invention, the effective measurement time window is improved to more than 10ns while the miniaturization of the sensor is ensured, and the sensor has the characteristics of good waveform fidelity performance, wide measurement frequency band and an output waveform being the original waveform of an excitation pulse electric field, can be applied to a small space and realizes accurate measurement of ultra-wide spectrum electromagnetic pulses with different pulse widths.

Description

technical field [0001] The invention belongs to the technical field of high-power microwave measurement, and in particular relates to an ultra-wide-spectrum high-power microwave sensor. Background technique [0002] Ultra-Wideband High Power Microwave (UWS-HPM, Ultra-Wideband High Power Microwave) is a transient strong electromagnetic pulse with no carrier frequency, the pulse width is on the order of nanoseconds, and the pulse rise / fall time is on the order of sub-nanoseconds , its instantaneous spectrum width can reach the order of hundreds of megahertz to gigahertz. Compared with nuclear electromagnetic pulse, its rising edge is steeper, pulse width is narrower, frequency band is wider, and penetrating ability is stronger. serious threat. In the performance test of the ultra-broadband high-power microwave radiation system, it is necessary to accurately measure the UWS-HPM radiation field, and the measurement results are an important basis for testing and evaluating syste...

Claims

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Application Information

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IPC IPC(8): G01R29/10
CPCG01R29/10
Inventor 韦金红刘真燕有杰张凯悦张守龙姚佳伟
Owner 中国人民解放军63660部队
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