receiving and transmitting equipment 中文意思是什麼

receiving and transmitting equipment 解釋
接收和發射設備
  • receiving : n. 1. 接收。2. 收買賊贓。adj. 接受的;收報的。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • equipment : n. 1. 〈常 pl. 〉設備,裝備,配件,配備物品。2. (一個企業除房地產以外的)固定資產。3. (工作必需的)知識,技能,修養。4. (火車)車輛;(汽車等)運輸配備。
  1. It mainly includes two parts : the frequency offset caused by the difference of the mobile equipment ’ s transmitting frequency and the nodeb ’ s receiving frequency ; the frequency offset caused by the vehicle of the mobile equipment, which is called doppler shift. accurate frequency offset estimation and compensation is of importance for demodulation

    它主要由兩部分構成:由於nodeb (基站)和移動臺晶振本振頻率的不同而產生頻偏;由於移動臺運動產生多普勒效應,引起的多普勒頻偏,在信號功率譜上表現為多普勒頻譜擴展(以後簡稱多普勒擴展) 。
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