Voltage flicker modulating wave detection method
A technology of voltage flicker and wave detection method is applied in the field of wave detection to achieve the effect of saving computing resources and simplifying computing steps
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[0015] In order to overcome the low detection accuracy of the existing wave detection method, the large amount of calculation, the long corresponding time, and the need to involve low-pass filters or band-pass filters, the algorithm is relatively complicated, and it is not suitable for application in digital measuring devices. problem, and then proposed a detection method of voltage flicker modulation wave.
[0016] Such as figure 1 As shown, the detection method of the voltage flicker modulation wave of the present invention comprises the following steps:
[0017] Step 101: Set the number of sampling points N and the sampling frequency f in a measurement period s , where N is a natural number;
[0018] Step 102: Obtain the voltage sampling value sequence u(n) (n=0, 1, 2, . . . , N-1) of the signal to be tested through the voltage sampling circuit;
[0019] Step 103: According to the formula y(n)=u(n)-u(n-1), obtain the sequence y(n) (n=0, 1, 2, . . . , N-1);
[0020] Step...
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