Digital demodulators for phase modulated and amplitude-phase mod
Digital detection method and circuit for PSK modulated signals
Digital modulator having a digital filter including low-speed ci
Digital PSK-type demodulator having clock recovery before carrie
Digital transmission demodulator including an automatic fault co
Digitally implemented fast frequency estimator/demodulator for l
Direct digital synthesis in a QAM demodulator
Doppler learning phase lock loop for burst demodulator
DPSK demodulator which may be used in an interrogator of a remot
DQPSK demodulator capable of improving a symbol error rate witho
Dual automatic gain control in a QAM demodulator
Dual bit error rate estimation in a QAM demodulator