low-speed helicopter 中文意思是什麼

low-speed helicopter 解釋
低速直升機
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • helicopter : n 直升機。vt 用直升機載送。 helicopter sb aboard the ship 用直升機把某人送到船上。vi 乘直升機。n ...
  1. Frequency sweep flight technique is used to collect the flight data of a model helicopter near its hover and low speed working condition, window frequency spectrum is combined to obtain the frequency response of both lateral and longitudinal channels, then weighted fitting method is utilized to obtain the transfer functions of the two channel

    摘要利用掃頻試飛技術獲取了某無人直升機在懸停工作點附近的舵機輸入和直升機動態輸出數據，利用組合窗頻譜分析的方法獲取了直升機橫滾通道與俯仰通道動態的頻率響應特性，利用加權擬合的方法獲取了各自的傳遞函數。
  2. The down wash flow has been mainly studied in its forming and its model, and also the its distribute is given under terms with helicopter hang and park or low - speed flying, for offering the basis of next research on the down wash flow ' s influence of the guided missile launching

    主要對下洗流的形成和模型進行了研究，並給出了在直升機懸停和低速前飛條件下的下洗流分佈，為下一步研究導彈發射受下洗影響提供了依據。
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