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A lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and antenna array

An electromagnetic pulse and radiating antenna technology, which is applied in the antenna, radiating element structure, circuit and other directions, can solve the problems of low main shaft radiation field strength and no space focusing ability, and achieve improved forward radiation ability, compact structure, and structural design reasonable effect

Active Publication Date: 2022-03-04
NORTHWEST INST OF NUCLEAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the TEM horn antenna radiates spherical waves and has no spatial focusing capability, the main axis radiation field strength is low

Method used

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  • A lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and antenna array
  • A lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and antenna array
  • A lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and antenna array

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1 to Figure 4 As shown, a lens-type ultra-broadband electromagnetic pulse radiation antenna includes an upper plate 1, a lower plate 2, a housing 3, a lens 4 and a cable head (not shown in the figure);

[0043] The upper plate 1 and the lower plate 2 form a TEM horn with gradually changing impedance,

[0044] The shell 3 includes a bottom plate 5, an upper side plate 6 and a lower side plate 7;

[0045] Both the starting ends of the upper pole plate 1 and the lower pole plate 2 are connected to the bottom plate 5, and the starting ends of the upper pole plate 1 are connected to the core wire of the cable head;

[0046] One end of the upper side plate 6 is connected to the upper edge of the bottom plate 5, and the lower surface of the other end is connected to the aperture end of the upper pole plate 1;

[0047] One end of the lower side plate 7 is connected to the lower edge of the bottom plate 5, and the upper surface of the other end is connected to ...

Embodiment 2

[0057] Such as Figure 5 As shown, the present invention also provides embodiment 2, and the structure of embodiment 2 is basically the same as embodiment 1, and the only difference is:

[0058] The periphery of lens 4 in embodiment 2 is cut with two mutually parallel first planes 13 and two mutually parallel second planes 14; The space utilization rate when the single antenna structure forms an antenna array.

[0059] In addition, on the basis of Embodiment 1 and Embodiment 2, the present invention has also made the following structural optimizations:

[0060] 1. The casing 3 also includes two trapezoidal side plates 16; the two trapezoidal side plates 16 are respectively located on the left and right sides of the bottom plate 5; The two waists of the plate 16 are respectively connected with the side edge of the upper plate 1 and the side edge of the lower plate 2, and its function is mainly to reduce the side radiation of the antenna and enhance the forward radiation capab...

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Abstract

The invention discloses a lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and an antenna array. The structure is simple and can effectively improve the radiation field intensity of the main axis of the TEM horn antenna. The antenna includes an upper pole plate and a lower pole plate, and the upper pole plate and the lower pole plate form a TEM horn form with a gradual impedance change, and also includes a housing, a lens and a cable head; the housing includes a bottom plate, an upper side plate and a lower side plate; the upper pole Both the starting ends of the plate and the lower plate are connected to the bottom plate, and the starting end of the upper plate is connected to the core wire of the cable head; one end of the upper side plate is connected to the upper edge of the bottom plate, and the lower surface of the other end is connected to the The aperture end of the upper pole plate is connected; one end of the lower side plate is connected with the lower edge of the bottom plate, and the upper surface of the other end is connected with the aperture end of the lower pole plate; the inner surface of the lens is a plane, and the outer surface of the lens is a spherical or ellipsoidal surface Or a hyperboloid, the inner surface of the lens is fixedly connected to the side of the upper side plate and the lower side plate at the aperture end.

Description

technical field [0001] The invention belongs to the electromagnetic pulse measurement technology, and relates to an antenna, in particular to a lens-type ultra-wide-spectrum electromagnetic pulse radiation antenna and an antenna array. Background technique [0002] Ultra-broadband electromagnetic pulses usually refer to pulse fronts or pulse widths in sub-nanoseconds (10 -10 s) Transient electromagnetic pulses with a magnitude and a spectrum range of tens of MHz to several GHz, which have broad spectrum and short pulse characteristics similar to nuclear electromagnetic pulses. It has been widely used in many fields such as target detection, target recognition, electromagnetic damage, electromagnetic compatibility, and biomedicine. [0003] The ultra-broadband electromagnetic pulse radiation antenna is the core component of the ultra-broadband microwave system, and its function is to radiate the ultra-broadband pulse generated by the pulse source to a designated area with a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q15/02H01Q13/02
CPCH01Q1/36H01Q15/02H01Q13/02
Inventor 易超龙樊亚军石一平乔汉青谢佳玲石磊朱郁丰夏文锋卢彦雷张兴家王翔宇方旭
Owner NORTHWEST INST OF NUCLEAR TECH
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