变温目标毫米波被动探测辐射特性分析  

Analysis of the Radiometric Characteristics on Changing Temperature Target with Millimeter Wave Radiometer

作　　者：聂建英[1,2] 李兴国[1] 娄国伟[1] 龚冰[1] 

机构地区：[1]南京理工大学毫米波、光波近感技术研究所,南京210094 [2]福州大学,福州350108

出　　处：《光电工程》2010年第7期1-7,共7页Opto-Electronic Engineering

基　　金：国防重点预研基金资助项目(51305050204)

摘　　要：毫米波系统有着较微波、红外、光学系统不同特性的优点。目前,毫米波被动探测技术在反装甲导弹和末敏弹的制导中起着重要作用。针对目标动能等因素,通常目标温度变化,本文研究变温目标毫米波被动探测辐射特性,并通过实验分析了辐射能量与介电常数及物理温度的辐射关系特性,以及与探测角度关系的分析,并给出了目标毫米波被动探测隐身特性的基本要素与变温目标辐射特性的理论分析。Millimeter wave characteristics differ from those of microwaves,infrared or optical system,and it has some distinct advantages over microwave,infrared,or optical system.Currently,passive detection techniques with the Millimeter Wave（MMW） radiometer play important role in homing guidance of anti-armour missile and end-sensing-cartridge.In view of the factors such as kinetic energy of the target,the target＇s temperatures are changing.This paper studied on the radiometric characteristics of the changing temperatures target with passive millimeter wave seeker.The relationship among the electrolytic coefficients,radiometric characteristics of the changing temperatures target and the radiation of the targets was analyzed based on the experiments.Moreover,the angles of detector and the detection distance were analyzed.And then,the main factors for the method of passive MMW stealth technology were given.

关 键 词：毫米波辐射计 辐射特性 温度变化量 

分 类 号：TN95[电子电信—信号与信息处理]