It is a property for practical application as a frequency scanning antenna since it ensures a stable radiation pattern with little distortions while beam is being scanned.

对频率扫描天线能保证当波束扫描时，可以保持一个相对稳定不畸变的辐射方向图。

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A novel frequency-fixed beam-scanning microstrip leaky-wave antenna with phase-shifter has been described in this paper.

提出了一种新型带移相器多端口馈电微带漏波天线，实现了频率固定下的相控微带漏波天线双向主波束扫描。

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