delay spread

基本解释

• 延遲擴展

英汉例句

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於信道的時延擴展，從而産生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.
  對於傳統的OFDM系統來說，如果循環前綴的長度大於信道的時延擴散值，則可以通過簡單的頻域均衡來解調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

词组短语

短語

• group delay spread 群時延展寬
• multipath delay spread 多逕時延展寬
• 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更多词组

专业释义

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.
  倣真結果表明,該方法對多普勒頻移和信道時延擴展均不敏感。

• 延遲擴散