Frequency shift estimation method and system for coherent demodulation frequency shift keying modulating signals
A frequency offset estimation and frequency shift keying technology, applied in multi-frequency code systems, baseband system components, shaping networks in transmitters/receivers, etc. And other issues
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[0066] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the various embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, a person of ordinary skill in the art can understand that, in each embodiment of the present invention, many technical details are proposed for the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed by the claims of this application can be realized.
[0067] The first embodiment of the present invention relates to a frequency offset estimation method of coherent demodulation frequency shift keying modulation signal, such as figure 1 As shown, it specifically includes the following steps:
[0068] Step S101, providing GFSK / FSK signals;
[0069] In this embodiment, the received GFSK / FSK sig...
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