delay spread

基本解釋

• 延遲擴展

英漢例句

雙語例句

• When the data rate is high, there is ISI because the signal duration is shorter than the channel delay spread.
  在較高的信號傳輸速率下，傳輸符號的符號周期小于信道的時延擴展，從而產(chǎn)生ISI。
• If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
  對于傳統(tǒng)的OFDM系統(tǒng)來說，如果循環(huán)前綴的長度大于信道的時延擴散值，則可以通過簡單的頻域均衡來解調(diào)OFDM信號。
• This paper studies the application of minimum description length (MDL) criterion for estimating root-mean-squared (RMS) delay spread (RDS) for MIMO OFDM systems.
  研究了MIMO OFDM系統(tǒng)中最小描述長度（MDL）準則在均方根時延擴展估計中的應用。

權(quán)威例句

• Clinton said that every year of delay in ratifying the treaty increases the probability that nuclear weapons will spread to regions with intense national rivalries and to rogue leaders and perhaps even to terrorists.
  CENTERFORSECURITYPOLICY: Center for Security Policy Politics and the Test Ban Treaty, By George F. Will, Newsweek, 20 October 1999

• delay spread更多例句

詞組短語

短語

• group delay spread 群時延展寬
• multipath delay spread 多徑時延展寬
• RMS delay spread 均方根時延擴展;時延
• simulcast delay spread 同播延遲擴展
• RMS time delay spread RMS 時延擴展

• delay spread更多詞組

專業(yè)釋義

電子、通信與自動控制技術

• 時延擴展

  Simulation results show that the proposed method is not sensitive to Doppler shift and multi-path delay spread.
  仿真結(jié)果表明,該方法對多普勒頻移和信道時延擴展均不敏感。

• 延遲擴散