Signal processing method based on quasi high-order square spectrum
A signal processing and high-frequency signal technology, applied in baseband system, baseband system components, shaping network in transmitter/receiver, etc., can solve problems such as maintenance, discrete spectral line weak calculation complexity, etc. The effects of strong features, slow attenuation of spectral line features, and high engineering application value
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[0032] The present invention will be further described below in conjunction with the drawings.
[0033] Reference attached figure 1 The specific steps of the implementation of the present invention are described as follows.
[0034] Step 1. Obtain a time-domain complex baseband signal.
[0035] The analog-to-digital conversion module of the wireless communication signal processing receiver is used to convert the radio frequency analog signal received by the radio frequency antenna into a time domain high frequency signal.
[0036] In the field of non-cooperative communication, the center frequency of the time-domain high-frequency signal is obtained by using the center of gravity estimation formula, and in the field of cooperative communication, the center frequency of the time-domain high-frequency signal is obtained according to the cooperative communication protocol.
[0037] In the field of non-cooperative communication, use the following formula to obtain the center frequency of th...
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