摘要
测试极低副瓣天线时，要求测量距离远远大于２Ｌ２／λ，其中Ｌ为天线口径尺度，λ为工作波长。为了解决现有远场测试场地测量极低副瓣天线所遇到的测试距离不够的问题，本文提出了一种远场测量修正方法。对在费涅耳区测量的天线波瓣图进行修正，可以获得被测天线的远场波瓣图。对极低副瓣线阵天线的计算机模拟计算表明，该方法是有效的，可以获得满意的校正效果。
In order to measure the Ultra-Low sidelobe antenna pattern, a far field range with its measurement distance much longer than 2L2/λ is necessary. A new far field measurement correction method of Ultra-Low sidelobe antenna is presented in this paper. By correction the Fresnel field pattern of antenna under test, its far field pattern can be obtained. Computer simulation result has shown that corrective effect is very satisfactory.
出处
《现代雷达》
CSCD
北大核心
1998年第3期73-78,99,共7页
Modern Radar
关键词
低副瓣天线
远场测量
校正
天线
low sidelobe antenna, far field measurement, corrective technique
