综合孔径辐射计空中隐身目标探测技术

Detection of Aerial Stealthy Targets by Synthetic Aperture Microwave Radiometer

为研究反隐身技术,提出综合孔径辐射计用于空中隐身目标探测系统的基本组成,包括综合孔径辐射计、用于无源定位的辐射计站,并介绍其工作原理。从灵敏度、空间分辨率、辐射探测距离和无源探测定位精度等指标入手,分析微波辐射计用于空中隐身目标探测的基本性能。对综合孔径辐射计的探测距离进行仿真计算,仿真结果表明,采用单天线直径为0.25 m、基线数为60的综合孔径辐射计,在35 GHz可以探测到119 km的空中隐身目标,而在90 GHz可以探测到144 km的空中隐身目标。

For the purpose of studying anti-stealth technology,the basic system components for detecting the aerial stealthy targets by synthetic aperture microwave radiometer are proposed and the principle is introduced. The performance of the system is analyzed from the parameters of sensitivity,spatial resolution,detection range and location precision of passive detection and location. Simulation on detection range of synthetic aperture microwave radiometer is given,and the simulation results show that,the detection range can be119 km when the single antenna diameter is 0. 25 m and the base-line number is 60 at 35 GHz,while the detection range can reach144 km at 90 GHz.