A real-time automatic threshold calculation method for radio signal scanning monitoring
A technology of radio signals and calculation methods, applied in wireless communication, transmission monitoring, electrical components, etc., can solve problems such as inability to take into account large and small signals, automatic threshold missed detection, and inability to distinguish between signals and noise.
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[0024] Such as figure 1 As shown, a real-time automatic threshold calculation method for radio signal scanning monitoring, the method steps are as follows:
[0025] The first step: real-time scanning of a complete frame of real-time scanning frequency domain monitoring data [Kn];
[0026] The second step: Carry out wavelet decomposition to the monitoring data [Kn], the calculation formula of its wavelet decomposition is [Kn]=[An]+[D1n]+[D2n];
[0027] The third step: the details of wavelet decomposition, the calculation formula of the details of wavelet decomposition is: [Dn]=[D1n]+[D2n];
[0028] The fourth step; detail data contour fitting to obtain data [D'n];
[0029] Step 5: Calculate the arithmetic mean of each collected data [D'n], δ=([D'1]+[D'2]+...[D'n]) / n;
[0030] Step 6: Compare the size of each data [D'n] and the arithmetic mean δ; when the data [D'i]>arithmetic mean δ, then the data [D'i] is not background noise, so no The next step is to keep the data [D'i];...
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