High-precision short-distance ultrasonic ranging method
A distance measurement method, ultrasonic technology, applied in the direction of sound wave reradiation, radio wave measurement system, measurement device, etc., can solve the problems of inability to actively shield, wrong measurement results, limited single-chip clock and interrupt corresponding speed, etc., to achieve reduction The effect of design difficulty
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[0019] The embodiments of the present invention will be described in detail below with reference to the drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation modes and specific operation procedures are given, but the protection scope of the present invention is not limited to the following Mentioned examples.
[0020] This embodiment is based on the realization of high-precision short-distance ultrasonic ranging controlled by a single-chip microcomputer. The single-chip microcomputer is used to generate the initial measurement signal, the inverter generates the square wave transmission signal, and the comparator generates the ultrasonic receiving signal. The measured distance is calculated and uploaded to the serial port. Host computer.
[0021] Such as figure 1 As shown, this embodiment provides a high-precision short-distance ultrasonic ranging method, including the following steps:
[0022] Step 1: ...
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