載頻指配 的英文怎麼說

中文拼音 [zǎibīnzhǐpèi]
載頻指配 英文
carrier frequency assignment
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 指構詞成分。
  • : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
  1. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分通道荷方式原理,由此出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對譜的影響,採用fft方法計算adsl線路的噪聲功率譜,為adsl線路測試提供了可靠的理論依據。
  2. In april, the asiasat 4 satellite which carries the four broadcasting satellite service ( bss ) channels assigned to hong kong was successfully launched

    在四月,予香港的四條衛星廣播服務道的亞洲四號衛星成功發射。
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