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|本期目录/Table of Contents|

开关扫描技术在被动毫米波成像中的应用(PDF)

《探测与控制学报》[ISSN:1008-1194/CN:61-1316/TJ]

期数:
2009年06期
页码:
38
栏目:
出版日期:
2009-12-26

文章信息/Info

Title:
Application of Switch-scan Technique to Passive Millimeter Wave Imaging
文章编号:
1008-1194(2009)06-0038-04
作者:
张英浩; 杨国; 吴文
南京理工大学近程高速目标探测技术国防重点学科实验室，江苏 南京210094
Author(s):
ZHANG Ying-hao; YANG Guo; WU Wen
Ministerial Key Laboratory of JGMT,Nanjing University of Science&Technology,Nanjing 210094,China
关键词:
开关扫描; 被动毫米波成像; 直接检波式接收机; 透镜; 低温共烧陶瓷
Keywords:
switch-scan; lens; direct detection receiver; passive millimeter-wave imaging; low temperature co-fired ceramic
分类号:
TN015；TN971
DOI:
.
文献标识码:
A
摘要:
针对透镜焦平面全通道被动毫米波成像系统所用接收机数量多，成本高等问题，将开关扫描技术引入被动毫米波成像。在透镜天线焦平面上设置2维馈源天线阵列，多个馈源天线通过开关共用一个毫米波接收机，通过开关选择来完成对景物的扫描成像。系统中毫米波接收机采用直接检波式接收机，聚焦透镜采用组合透镜系统，馈源天线及毫米波器件采用低温共烧陶瓷（LTCC）技术集成。分析表明，这种开关扫描被动毫米波成像系统是可行的，系统所用接收机数量大大减少，成本降低。
Abstract:
For the problem that full-channel focal-plane array passive millimeter-wave (PMMW) imaging system needs lots of receivers and is expensive,switch-scan technique is introduced to PMMW imaging system.In this system,a 2-D feed antenna array is placed on the focal plane of the lens antenna,and a set of feed antennas shares one receiver through a multi-channel switch.Images are acquired by switching the receiver from one feed antenna to another in turn.Direct detection receiver is adopted in the system,and a lens-fed lens system is used as a focus block.The feed antennas and the millimeter-wave MMIC chips are integrated by low temperature co-fired ceramic (LTCC) technology.The analysis results show that this imaging system which uses fewer receivers is feasible.

参考文献/References

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备注/Memo

备注/Memo:
*收稿日期：2009-07-26    修回日期：2009-08-12
基金项目：国家部委基金项目资助（9140A01040307BQ0207）
作者简介：张英浩(1981-)，男，江苏人，博士研究生，研究方向：毫米波被动探测及成像技术。E-mail：zyhee@163.com。
更新日期/Last Update: 2010-01-07