UHF雷达天线馈源的研究

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Study of the feed of teh UHF radar antenna

LI Ping1,2;LIANG Chang-hong1;ZHANG Dian-fu2

(1. School of Electronic Engineering, Xidian Univ., Xi'an 710071, China;
2. ENGG College of teh Chinese People's Armed Police Forces, Xi'an 710086, China)

Received:1900-01-01 Revised:1900-01-01 Online:2004-04-20 Published:2004-04-20

Abstract

Abstract: aiming at spreading bandwidth, ministurization and high-gain of the air-borne SAR antenna, this paper puts forward a new type of prism radar antenna, whose feed based on the technices of CPW is a two-component H-shaped antenna array printed by dubble plane overlap. The frequency bandwidth is the 2.2 times the frequency, the VSWR within the bandwidth is less than 1.85 and the gain at the centural frequency is more than 9 dBi, which are found by means of the High-Frequency Structure Simulator and the larruping designed. The VSWR and the radiate direction plot by simulation and test are given. The results show that it can be the new feed for UHF radar antennas.

Key words: H like printed antenna, UHF wideband, antenna array

CLC Number:

TQ174.175

LI Ping1;2;LIANG Chang-hong1;ZHANG Dian-fu2.

Study of the feed of teh UHF radar antenna

[J].J4, 2004, 31(2): 234-237.

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Study of the feed of teh UHF radar antenna

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