It adopts high resolution Colour TFT LCD with clear display of Real-time FHR, Histogram, Fetal Heart Rate Values & Heartbeat Waveform ... our Sonotech® Fetal Doppler range , also available ...

pose a challenge for communications systems due to significant Doppler spreads deteriorating the performance of the current waveform — orthogonal frequency division multiplexing (OFDM) and orthogonal ...

Doppler division multiple access (DDMA) approach, as a type of slow-time waveform achieving waveform orthogonality across multiple pulses within a coherent processing interval, disperses the transmit ...