• Working principle and difference between microwave induction and infrared induction

    Microwave inductor, microwave inductor, or microwave radar, microwave inductive switch, is mainly realized by the Doppler effect of electromagnetic wave. Any wave has the characteristic of reflection. When a wave of a certain frequency touches a barrier, part of the wave will be reflected back. If the barrier is stationary, the wavelength of the reflected wave will be constant. If the barrier moves toward the wave source, the wavelength of the reflected wave will be shorter than the wavelength of the wave source. If the barrier moves away from the wave source, the wavelength of the reflected wave will be longer than the wavelength of the wave source, It means the change of frequency. In short, if the barrier is stationary, the wavelength and frequency will not change. If the barrier moves, the wavelength and frequency will change. Microwave induction is to transmit microwave within a certain range, and then…

    Technology News, News 12/09/2022

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