Rotating body non-contact detection signal processing method
A technology for detecting signals and processing methods, which is applied to the analysis and processing of the contour signal of the rotating body by a computer, and the measurement of the geometric parameters of the rotating body contour, which can solve the problems of large error, slow measurement speed, and expensive measuring instruments.
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[0020] The present invention will be described in further detail below.
[0021] The invention provides a processing method for a non-contact detection signal aiming at the outline size of a rotating body. The overall input of this method is the matrix signal collected by the optical sensor, and the overall output is various geometric parameters of the profile of the measured object.
[0022] The signal processing process is divided into seven steps, which are described in detail below
[0023] In the first step S1, the original signal is obtained from the optical sensor. The type of the original signal is a numeric matrix, and each element in the matrix is a non-negative integer representing the signal strength at that location. Typically, the target object location has a strong signal and the background has a weak signal.
[0024] In the second step S2, each element value in the original signal matrix is mapped according to certain rules. The mapping rules described ...
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