doppler equipment 中文意思是什麼

doppler equipment 解釋
多普勒裝置
  • doppler : 多普勒效應
  • 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. Doppler very high frequency omni - directional range and distance measuring equipment ( dvordme ) system standard icao radio navigational aids used to provide bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures

    這是國際民航組織指定的標準無線電導航設備，可向航機提供方向及距離的資料，並可以確定航路、終端區程序、儀表進場及離場程序等。
  2. 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） 。
  3. Doppler ultrasound equipment

    多普勒超聲波診斷儀
  4. Siu mo to doppler vhf omni - directional range and distance measuring equipment ( dvordme ) antenna maintenance

    小磨刀多普勒甚高頻全向信標天線維修
  5. Replacement of doppler very high frequency omni - directional range and distance measuring equipment at tung lung island

    更換東洲多普勒甚高頻全向無線電信標及測距設備
  6. Railway fixed equipment. doppler fizeau micro - wave radar. characteristics

    鐵路固定設備.多普勒fizeau微波雷達.特性
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