Device and method for monitoring health of computer operator
A monitoring device and operator technology, applied in applications, diagnostic recording/measurement, medical science, etc., can solve the problems of expensive detection equipment and complex algorithms, achieve high motion interference suppression ability, accurate detection of respiratory rate and heart rate, The effect of strong resistance to movement interference
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[0029] like figure 1 As shown, a monitoring device for the computer operator's health includes a micro-power biological radar front-end that radiates a narrow pulse signal non-contact to the computer operator. The echo signal is output to the USB acquisition card through variable delay and related detection. The USB acquisition card digitizes the breathing and heartbeat signals and connects them to the data processing module in the computer for result display and control for subsequent software processing; at the same time, it provides 8 The digital high and low level controls the variable delay line in the front end of the micropower biological radar, realizes the tomographic scanning of the distance, and provides +5V power supply to the entire hardware system.
[0030] The micropower bioradar front-end includes a pulse signal source, a narrow pulse shaping circuit, a variable delay line circuit, a correlation detection circuit, an integrator and a differentiator. The front-...
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