keying space 中文意思是什麼

keying space 解釋
鍵控間距
  • keying : 按電鍵
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  1. Some critical coding and modulation techniques in uav communication have been discussed in this thesis, including differential phase keying ( dpsk ), modulation multiple symbol detection ( msd ), adaptive trellis coded modulation ( atcm ), and space - time coding. this work was supported by the national defense 973 project. uav communication has many sophisticated technologies

    本論文在國防973項目「無人機信息傳輸理論與方法研究」的資助下，結合現代數字通信領域的新技術，根據無人機通信的特點和需求，對其中的幾項關鍵技術做了深入研究。
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