hovering helicopter 中文意思是什麼

hovering helicopter 解釋
懸停的直升機
  • hovering : 墊升
  • 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. Detection of hovering helicopter with binary hough transform

    變換法檢測懸停直升機
  2. Radar detection of hovering helicopter

    懸停直升機的雷達探測技術
  3. With the helicopter hovering tail - in, add backward cyclic and flip the helicopter to an inverted nose - in hover, hold for five ( 5 ) seconds

    機尾朝向操控者保持停懸，將升降舵拉升舵使直升機翻滾為機頭朝向操控者的倒飛姿態，保持靜止倒飛停懸5秒鐘。
  4. With the helicopter hovering nose - in, add backward cyclic and flip the helicopter to an inverted tail - in hover, hold for five ( 5 ) seconds

    機頭朝向操控者保持停懸，將升降舵拉升舵使直升機翻滾為機尾朝向操控者的倒飛姿態，保持靜止倒飛停懸5秒鐘。
  5. One idea is a platform capable of flying vertically and hovering in the air like a helicopter

    其中的想法之一就是構建一個能夠垂直升降並像直升機一樣在空中盤旋的平臺。
  6. Move the helicopter to the right, keeping the tail pointed away from the pilot, in a circle around the pilot. until the helicopter is hovering over the take - off point

    保持機頭朝向操控者，以操控者為圓心，以順時針的方向執行水平圓的動作，直到直升機到達起飛點的上空。
  7. Move the helicopter to the right, keeping the tail pointed at the pilot, in a circle around the pilot. until the helicopter is hovering over the take - off point

    保持機尾朝向操控者，以操控者為圓心，以順時針的方向，執行直徑10公尺的水平圓。直到直升機到達起飛點的上空。
  8. With the helicopter hovering over the landing area, start pirouetting clockwise while the helicopter is pirouetting fly the helicopter in a figure of eight to the right

    在降落區的上空將直升機保持停懸，機體以順時針的方向保持自旋，並且朝右側開始執行外側水平8字飛行。
  9. B. move the helicopter to the right, keeping the tail pointed at the pilot, in a circle around the pilot. until the helicopter is hovering over the take - off point

    保持機尾朝向操控者，以操控者為圓心，以順時針的方向，執行直徑10公尺的水平圓。直到直升機到達起飛點的上空。
  10. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    最後，本文針對懸停直升機旋翼回波的時頻域特點，探討了從回波信號中提取旋翼回波最大線速度v和旋翼回波閃爍周期tp的方法，在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。
  11. At last, this paper put forward a recognition method using the parameter of moving target the missle - borne pulsed doppler radar can be achived and the hmm and the analized the limited performance of the method under different circumstance. in chaper 4, this paper analized the temporal chracreristic and spectral chracterisc of hovering helicopter, and then analized the possible methods for detection hovering helicopter and the message that can be achived

    第四章中，本文首先分析了懸停直升機回波信號的時域特性和頻域特性，結合彈載高重頻脈沖多普勒雷達的一些具體參數分析了利用彈載高重頻脈沖多普勒雷達對懸停直升機進行檢測的可能途徑和可利用信息。
  12. Combined with the key project of the preliminary research of national defence science and technology, the target recognition system for millimeter wave initiative homing guidance, a systematic study on the signal processing method based on the background of millimeter mave ( mmw ) missle - borne pulsed doppler radar is performed. it include specifically the detction and the recognition of the moving target and hovering helicopter under strong clutter background

    本文結合國防科技重點預研項目「毫米波主動尋的制導目標識別」 ，針對脈沖多普勒體制雷達導引頭的應用背景，對基於彈載高重頻脈沖多普勒體制雷達的信號處理方法進行了較深入的研究。主要研究內容包括對雜波背景中的機動目標以及對懸停直升機的檢測和識別方法。
  13. With the helicopter hovering nose - right, add right cyclic and flip the helicopter to an inverted nose - right hover, hold for five ( 5 ) seconds

    機頭朝右保持停懸，將副翼打右舵使直升機翻滾為機頭朝右的倒飛停懸姿態，保持靜止倒飛停懸5秒鐘。
  14. An automatic detection method of hovering helicopter

    一種懸停直升機的探測方法
  15. Recognition of a hovering helicopter

    懸停直升機的識別
  16. Analysis of simulation of characteristics and detection of echo from hovering helicopter

    懸停直升機回波特性與檢測模擬分析
  17. A hovering helicopter from royal air force promoting the keep hong kong clean message in the countryside

    一家大小合力保持香港清潔皇家空軍直升機在郊遊重點上空宣傳清潔香港
  18. However, a recent task to select a site for a new weather station on lantau island was quite a challenge to me - i had to be winched down from a hovering helicopter

    但最近我到大嶼山為新氣象站選址時，要從盤旋空中的直升機利用吊帶登陸山頭，卻是一項前所未有的挑戰。
  19. Abstract : the radar echo of a helicopter rotor is modeled and analyzed theoretically at first, then a new method is proposed to detect hovering helicopter by using low - pass filter and multilevel hypothesis examination

    文摘:首先對直升機旋翼的雷達回波進行建模和分析，在此基礎上提出一種懸停直升機積累檢測新方法即低通濾波和多級假設檢驗相結合的方法。
  20. Then combining the idea of likelihood ratio detection and the template matching method, this paper put forward a matching detection method for detecting hovering helicopter using missle - borne pulsed doppler radar. in the third part of this paper, the author analized the effect of multipath to the detection using radar, and put forward a modified m n detection structure to the detection of hovering helicopter under multipath circumstance

    本章的第三部分闡述了多徑干擾對雷達檢測性能的影響，提出了一種應用於多徑效應環境中檢測目標回波的修正mm檢測結構並應用於懸停直升機的檢測過程，分析了該演算法的檢測性能及其與檢測結構的關系。
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