This paper discusses some techniques of the passive radar based on FM-broadcast signals.

本文主要研究了基于多个调频广播电台信号的无源雷达技术。

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This paper discusses some of the key techniques of passive radar based on FM-broadcast signals.

本文主要讨论了基于调频广播信号的无源雷达的部分关键技术。

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However, some organizations or individuals launch FM signals without permission for various purposes, thus seriously disrupting the normal operation of FM broadcast.

但是部分组织或个人出于各种目的，在未经允许的情况下，私自发射调频信号，严重扰乱了调频广播的正常运行。

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