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 insufficient measurement time window as UWS-HPM measurement devices, cannot be applied to wide pulse width and measurement results are not ideal

Method used

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

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Embodiment 1

[0044] The cuboid shell 2 is made of polytetrafluoroethylene material with a dielectric constant of 2.4, and its dimensions are Ls=304mm, Ws=40mm, Hs=5.5mm, and thickness Ts=2mm. The metal conductor strip 3 is pasted in the middle of the inner bottom of the cuboid shell 2, and its length, width and height are respectively Lc=300mm, W=3mm, and Tt=0.5mm. The ground metal plate 4 has a thickness Tg of 2 mm, and is tightly fitted with the cuboid shell 2 to form a closed cavity. Pure water fills the entire cavity through the orifice valve located on the cuboid housing 2. The metal conductor strip 3 is immersed in pure water and kept at a distance of 1 mm from the grounded metal plate 4, wherein a cylindrical dielectric support structure 5 is arranged between the metal conductor strip 3 and the grounded metal plate 4, with a height of 1 mm and a diameter of 3 mm. The material is polytetrafluoroethylene. The distance between the welding point of the metal probe 6 and the metal cond...

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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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