time-delay spread

基本解釋

Parallel factor analysis based space-time multiuser detection algorithm for CDMA systems with larger delay spread is presented.
空時(shí)多用戶檢測技術(shù)是一種有效消除CDMA系統(tǒng)中多址干擾和碼間干擾的方法。
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(duì)移動(dòng)傳播環(huán)境作了描述，特別是對(duì)小尺度多徑傳播造成的幅度衰落，多徑時(shí)延和多普勒頻移進(jìn)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(shí)變信道，即引信接收到的地面回波是會(huì)同時(shí)產(chǎn)生距離擴(kuò)展和頻率擴(kuò)展的雙擴(kuò)展信號(hào)。