A、Modulator and Demodulator
B、Demodulator and Modulator
C、Encoder and decoder
D、Decoder and encoder
喵查答案:Modulator and Demodulator
A、Modulator and Demodulator
B、Demodulator and Modulator
C、Encoder and decoder
D、Decoder and encoder
喵查答案:Modulator and Demodulator