Discrete automatic gain control with high stability, high speed
Discrete slope delta modulation with recovery means
Discrimination circuit for received data
Dispersal signal removing apparatus
Dispersive delay lines
Distance measurement method and apparatus, and relative position
Distortion analyzer for quadrature demodulated data
Distortion suppression using thresholding techniques
Distributed analog-digital frequency dehopping system
Distributed architecture for a wireless data communications syst
Distributed global clock system
Diversity coding for transparent self-healing communications net
Diversity for direct-sequence spread spectrum systems
Diversity for direct-sequence spread spectrum systems
Diversity receiver arrangement for digital signals
Diversity receiver in a CDMA cellular telephone system
Diversity receiver system used in digital communication
Diversity transmission and reception method and equipment
Diversity transmitter/receiver
Doppler corrected spread spectrum matched filter