low frequency sweep 中文意思是什麼

low frequency sweep 解釋
低頻掃描
  • 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...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • sweep : vt （swept ）1 掃（房間等），掃除，打掃；刷，撣（灰塵等）。2 （像掃一樣）吹去，颳去，沖去 （along...
  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. By analysis of the reasons of why the data is not coincident, we got the following quality monitoring measures : the first is, to choose wells with low noise as receiving wells ; the second is to bring down the source sweep frequency segment ; and the third is to conduct multiple stack

    通過分析，我們得出以下三點質量監控措施： （ 1 ）選擇噪聲小的井做為接收井，因為如果接收井的噪聲大於500微巴，得到的記錄基本上都是噪音記錄，要得到比較好的井間記錄，接收井的噪聲必須小於500微巴。
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