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Automatic clutter-canceler for microwave life-detection systems

机译:微波寿命检测系统的自动杂波消除器

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A microprocessor-controlled automatic clutter-cancellation subsystem, consisting of a programmable microwave attenuator and a programmable microwave phase-shifter controlled by a microprocessor-based control unit, has been developed for a microwave life-detection system (L-band 2 GHz or X-band 10 GHz). This system can remotely sense breathing and heartbeat movements of living subjects. This automatic clutter-cancellation subsystem improves manual clutter-cancellation in microwave systems. A series of experiments have been conducted to demonstrate the applicability of this microwave life-detection system for rescue purposes. The 2-GHz system performs well for remotely detecting human breathing and heartbeat signals through a pile of rubble of up to about three feet thick.
机译:已开发了一种用于微波寿命检测系统(L波段2 GHz或X波段)的微处理器控制的自动杂波消除子系统,该子系统由可编程的微波衰减器和由基于微处理器的控制单元控制的可编程的微波移相器组成。频段10 GHz)。该系统可以远程感测生活对象的呼吸和心跳运动。该自动杂波消除子系统改善了微波系统中的手动杂波消除。已经进行了一系列实验,以证明该微波寿命检测系统可用于救援目的。 2-GHz系统通过一堆厚约三英尺的瓦砾可以很好地远程检测人的呼吸和心跳信号。

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