Modulation and demodulation based on matlab PM
PM modulation (Phase Modulation) is a modulation method that changes the frequency by changing the phase difference between the information signal and the carrier signal, which can realize high-quality voice and image transmission.
In MATLAB, PM modulation can be implemented by calling the comm.PhaseModulator object. First, we need to define some basic parameters such as carrier frequency, symbol period, modulation index, etc. These parameters can be set according to specific situations.
fc = 100e3; % 载波频率
fs = 1e6; % 采样率
Tc = 1/fc; % 载波周期
Ts = 1/fs