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引言仪表着陆系统是为飞机提供进近着陆引导的精密进近设备,包含航向、下滑和指点标或测距仪设备。下滑设备作为仪表着陆系统的一部分,为飞机提供垂直引导信息,而天线是设备的关键部件。本文以国内常用的KATHREIN公司生产的下滑M型天线为例,说明使用射频尺量网络分析仪对天线进行测量。一、下滑天线介绍要确定天线的实际性能,例如增益、定向波瓣图、相位波旁图等,精确的测量是必不可少的。天线在应用场合有其
INTRODUCTION The instrument landing system is a precision approach device that provides approach and approach guidance for aircraft, including heading, glide and pointing or range finder devices. As part of the instrument landing system, a glide device provides vertical guidance to the aircraft while the antenna is a key component of the device. In this paper, KATHREIN company commonly used in the domestic decline of M-type antenna, for example, shows the use of RF ruler network analyzer to measure the antenna. First, the decline of the antenna Introduction To determine the actual performance of the antenna, such as gain, directional lobe, phase map, etc., the accurate measurement is essential. Antennas are used in applications