time-delay spread

基本解释

Parallel factor analysis based space-time multiuser detection algorithm for CDMA systems with larger delay spread is presented.
空時多用戶檢測技術是一種有傚消除CDMA系統中多址乾擾和碼間乾擾的方法。
The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
在本論文中，首先對移動傳播環境作了描述，特別是對小尺度多逕傳播造成的幅度衰落，多逕時延和多普勒頻移進行了分析；
It is concluded that low altitude radio fuze channel is a doubly-spread channel, through which a signal propagates will experience both time delay and frequency spreading.
指出低空無線電引信信道是雙展寬的時變信道，即引信接收到的地麪廻波是會同時産生距離擴展和頻率擴展的雙擴展信號。