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WT—931微功耗人体探测探头是利用多谱勒效应,将物体移动信号转换成电平信号。WT—931探头由振荡器、发射头、多谱勒放大器、检波限幅器组成,它在接通电源后通过天线向周围空间发射信号,覆盖面积不低于100m~2,当物体(人体)在
WT-931 micropower human probe is the use of Doppler effect, the object moving signal into a level signal. The WT-931 probe consists of an oscillator, a transmitter, a Doppler amplifier and a detector limiter. When powered on, the WT-931 transmits signals to the surrounding space through an antenna, covering an area of not less than 100 m 2. in