Owing to its close relation with radar echo signals, little jamming energy is lost.

由于与雷达回波密切相关，所以经脉压处理后，干扰能量损失不大。

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Target echo signals are the main information source in underwater acoustic detection system.

目标回波信号是水声探测系统主要的信息来源。

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The threshold algorithm of the target detection is often used to detect target echo signals.

目标检测的阈值法经常用于检测目标的回波信号。

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They simulated stray radio tower signals in UL's echo-free chamber (pictured here)outside Chicago to make sure the signals wouldn't accidentally trigger a car's air bag.

FORBES: By the Numbers