例句與造句

1. The channel of satellite communication is described to be the typical band - limited and non - linear channel . based on its special characteristic , we have the principles to select a type of modulation techniques for satellite communication systems
   本文對(duì)帶限和非線性的衛(wèi)星信道作了描述，在此基礎(chǔ)上得出衛(wèi)星通信中選擇調(diào)制技術(shù)的準(zhǔn)則和依據(jù)。
2. From the research of ijf - oqpsk , we draw the conclusion that , compared with bpsk , qpsk and msk modems , in the band - limited and non - linear channel , it has nearly constant envelope , less spectral spreading , better pe performance and the less interference of the adjacent channel , et . so , it is more suitable for the satellite communication channel
   通過(guò)對(duì)ijf ? oqpsk的分析研究可知，它相對(duì)于傳統(tǒng)的bpsk和qpsk調(diào)制方式，在帶限非線性信道下，具有包絡(luò)近似恒定，頻譜擴(kuò)展小， eb no惡化小，對(duì)鄰道產(chǎn)生干擾弱等優(yōu)點(diǎn)，因而它更適合于衛(wèi)星信道。
3. It's difficult to find linear channel in a sentence. 用linear channel造句挺難的