High-precision pilot frequency digital phase-locked loop system based on fuzzy region pulse detection
A digital phase-locked loop and pulse detection technology, which is applied in the field of phase-locked loops, can solve the problems that the synchronization accuracy of the phase-locked loop is difficult to guarantee, the phase difference signal does not show regular changes, and the conversion line noise and other problems
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[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0033] like figure 1 As shown, the high-precision inter-frequency digital phase-locked loop system based on fuzzy area pulse detection according to the present invention includes a frequency standard module, a DDS module, a signal pulse conversion module, an inter-frequency group phase coincidence point pulse module, a phase difference measurement and A processing module, a voltage-controlled crystal oscillator module, a display module and a power supply module; the power supply module is used for a f...
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