time-in-variant channel 中文意思是什麼

time-in-variant channel 解釋
非時變通道
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • variant : adj. 1. 相異的,不同的,不一致的。2. 各種各樣的。3. 易變的,不定的。n. 1. 變體,變形;變量。2. (字音的)轉訛;(字的)異體。3. 【統計學】變式;【生物學】變種,變異體。
  • channel : n 1 水路,水道,渠,溝;海峽;河床,河底。2 (柱等的)槽,凹縫;【機械工程】槽鐵,凹形鐵。3 〈比...
  1. With the characteristics of large ambient noise, very narrow bandwidth, low carrier frequency, great propagation latency and time - space - frequency variant multipath effect ( mpe ), the stochastic ocean channel has demonstrated the greatest complexity and difficulty for underwater acoustic wireless communications. among them multipath effect ( mpe ) is the most difficult obstacle that results in signal fading and inter - symbol interference ( isi )

    但是噪聲高、帶寬窄、載波頻率低、傳輸時延大、多途徑效應隨時間?空間?頻率變化等通道特性都會給有效、可靠的水聲通信帶來很大的麻煩,其中多途徑效應是最主要的困擾因素,它會導致信號幅度衰落和碼間干擾。
  2. Performance analysis of closed loop transmit diversity for wcdma systems in a time variant fading channel

    系統閉環發送分集的性能分析
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