5.3 The 2-d signal waveforms(1) -- Binary and M-ary Baseband signals
5.3 The 2-d signal waveforms(2) -- PSK signal
5.3 The 2-d signal waveforms(3) -- Constellation and Gray code of PSK
5.3 The 2-d signal waveforms(4) -- Quadrature Amplitude Modulation
