丹尼尔·奥图和朱丽叶·比诺什饰演的一对巴黎中产阶级夫妇收到了奇怪的录像带，这些录像带显示有人注视着他们家的一举一动。

Daniel Auteuil and Juliette Binoche star as a bourgeois Parisian couple that start to receive disturbing video tapes showing their home.

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无源雷达系统接收到的信号有四部分组成：直达波信号、静物回波信号、动目标回波信号以及干扰噪声。

The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.

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无源雷达系统接收到的信号有四部分组成：直达波信号、静物回波信号、动目标回波信号以及干扰噪声。

The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.

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