Teaching Practice of Phase-locked Loop Frequency Synthesizer Based on Matlab
The performance of a communication system largely depends on whether there is a good synchronization system.In the course of Communication Principles,the textbook mentions synchronous systems based on phase-locked loops,but the introduction to this part is relatively simple and there is no systematic derivation or conclusion.Based on Matlab's phase-locked loop,through simulation programs,the amplitude frequency response and closed-loop response of the phase-locked loop filter under different parameters can be obtained,enabling students to understand the principle of the phase-locked loop.In the Simulink toolbox,a frequency synthesizer based on the phase-locked loop is designed,enabling students to understand the principle of synchronization and providing support for learning communication principles courses.
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