通用直升機 的英文怎麼說
中文拼音 [tōngyòngzhíshēngjī]
通用直升機
英文
general-utility helicopter- 通 : 通量詞(用於動作)
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 升 : Ⅰ動詞1 (由低往高移動) rise; hoist; go up; ascend 2 (等級提高) promote Ⅱ量詞1 (容量單位) lit...
- 機 : machineengine
- 通用 : be in common use; be current; apply or be used universally
- 直升機 : air horse
- 直升 : helicopter
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Elevated walkways, vent buildings, helipad, pier, temple, other uses
高架行人走廊、通風大樓、直升機升降坪、碼頭、廟宇、其他用途General specification for tachometer of the helicopter
直升機轉速表通用規范It is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems
在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢,但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重,並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重,而且降低了估算誤差,具有及時應用最新數據學習的能力.此外,該方法易於在直升機設計系統中得到應用To testify ae ' s prediction function, we use the acoustic emission in a great deal of fatigue experiments, and have attained experiential data which can be included in the ae features database. the building of ae features database is investigated
?通過大量的實驗,對聲發射技術在直升機部件疲勞裂紋檢測中的應用進行研究,驗證了應用聲發射技術進行監測所起到的預警作用,獲得的大量實驗數據可作為經驗數據納入到聲發射特性參數數據庫中。Finally, the thesis developed 3d animation flight simulation platform for helicopter using opengl in visual c + +. and the 3d terrain and helicopter model are constructed. the simulation of two typical maneuver ( s maneuver flight and bopup - bopdown ) and terrain following shows that the fight control system of attack helicopter is improved by the realistic optical impact
本文最後在vc環境下用opengl開發了直升機三維動畫模擬平臺,構造了三維地形和直升機模型,模擬了直升機做蛇形機動、急躍升急躍降、地形跟隨等機動飛行,通過逼真的視覺效果驗證了飛控系統的正確性。General specification for helicopter blade lead - lag damper
直升機槳葉擺振阻尼器通用規范In this dissertation the control loop of attitude angle and collective piston loop are separately. the controller is designed at two scales. and the simulation shows the uncoupling of three attitudes angle loop is achieved with dynamic inversion scheme
在姿態角通道的設計中,採用了動態逆思想,按照時標分離的原則將直升機飛控系統劃分為快慢迴路,並採用動態逆方法對飛行控制系統進行設計和模擬,模擬結果表明動態逆在通道解耦方面非常有效。Once caricatured as “ helicopter ben ” for suggesting that cash scattered from the sky would cure deflation, the federal reserve ' s chairman is now widely accepted as a champion of low inflation
這位曾因暗示美聯儲將用一切手段遏制通貨緊縮,甚至可以「大量印製鈔票並用直升機散發」來鼓勵消費而被譏諷為「直升機阿本」的美聯儲主席,如今卻作為「低通貨膨脹率的捍衛者」被大眾認可。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。Based on the current helicopter operation at home and abroad on transmission line and its technical development trend, the paper has carried on research and demonstration on feasibility to apply helicopter in cruising inspection of yang - huai 500kv transmission line from various aspects as its significance, necessity, selection of operating management mode and technical working plan as well as its rationalization economically etc. applying helicopter to operate on power transmission has been tendency of the world power industry. on using helicopter to cruise, inspect and maintain the yang - huai 500kv transmission line, the first objective is to insist on flying safety. two steps should be taken seperately for short term and long term objective. first, to rent helicopters and then, to buy them
採用直升機進行電力作業已經成為世界電力工業的潮流,應用直升機巡視和維護500千伏陽淮線,應堅持把安全飛行作為首要目標,宜分近期和遠期兩個目標分階段實施,先租機,再購機;直升機的選型,主要從安全性和經濟性兩方面考慮,在起步階段租賃bo - 105c直升機;要根據作業項目和方法選擇機載儀器設備;用直升機進行輸電線路巡檢,能極大地提高勞動生產率,具有明顯的經濟效益,並將提高我國直升機運用水平,促進我國通用航空事業的發展,從而帶動相關行業的發展。It is important to soft developing. the topic of the paper has been listed in the basic research project for national defence of the " tenth - five project " by the commission of science technology and industry for national defence. one is " distribution experimentation and test technology ", the other is " mathematic helicopter and test technology ". base on the research of literature of the world, we will research the technology of measurement and control system
本文結合十五國防預研項目「分散式協同綜合虛擬試驗與測試技術」和個五航空預研項目「直升機飛行載荷全數字加載控制和數據採集技術」的研究,在分析了國內外研究現狀和技術發展趨勢的基礎上,對其共性的關鍵技術之一? ?系統開發支持平臺(通用測控平臺)技術展開了深入研究。In this area, collapsed bridges had cut off access to infenda and real townships and floods reached as high as two meters in low lying parts of infenda. the local people thus relied on food supplies airlifted during the day by u. s. army helicopters
該區由於橋梁倒塌,交通中斷,通往茵芬達鎮infenda及雷爾鎮real等災區的道路封閉,茵芬達鎮的低洼地區,淹水甚至高達二公尺,因此只能仰賴美軍的直升機隊,利用白天不停地運送食物。The following conclusions have been drawn from this research program, : ( 1 ) the model following architecture allows for straightforward implementation of requirements of handling quality standard, and it can be utilized for helicopter handling quality design. ( 2 ) the adaptive model - inverse control theory can provide the referenced helicopter with consistent handling quality throughout its operating envelope, with requiring only an approximate linear model at a single operating point. ( 3 ) the technology of adaptive neural network model - inverse control can reduce costs and period associated with pcs development
通過該課題的研究,得到以下結論: ( 1 )參考模型跟蹤結構能夠直接實現飛行品質規范要求,可以用於直升機飛行品質設計; ( 2 )自適應模型逆控制方法只需一個基準狀態下的近似線性模型,卻可在整個使用包線內提供協調一致的飛行品質; ( 3 )自適應神經網路模型逆控制技術可節約成本,縮短飛控系統研製周期; ( 4 )在某些部件部分意外失效或戰損情況下,自適應神經網路具有實現控制的在線快速重新配置、保持飛行品質的潛力; ( 5 )軌跡跟蹤控制器可以用於任務科目基元模擬及飛行品質評估。* the huge american market results from huge military helicopter demand, oil crisis in 1970s, government policy and etc. but chinese market is confined by comparatively lower gdp, weak military demand, preliminary air control and powerless industry association. * facing the keen competition, catic should further strengthen its competitive advantage in helicopter sales ability, extend its business line to supply service for helicopters such as fixed base operation
*面對日益激烈的競爭環境,中航技公司應該大力增強其在銷售領域的競爭優勢,圍繞航空產品和技術進出口這一核心業務向外圍擴展,進入直升機運營領域開展直升機服務業務及運營通用航空服務站,在新產品的研發方面則應以起飛重量不超過4噸的單發渦軸直升機為主,採用合資合作等方式。In this study the author aims to analyze the primary problems concerning civil helicopter markets, and then based on which the strategy of catic in this market is to be designed
筆者希望通過本次研究對發展民用直升機市場的一些重要問題做出回答,並以此為依據提出中航技公司在該領域的發展戰略。Predator pilots say it is not unusual to abort a hellfire missile strike when an army helicopter unexpectedly comes into view
「掠奪者」的飛行員說道,當一架軍用直升機出人意料地進入你的視線,你就得取消「地獄火」導彈的發射,這種情況都通常會出現的。Abstract : it is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems
文摘:在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢,但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重,並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重,而且降低了估算誤差,具有及時應用最新數據學習的能力.此外,該方法易於在直升機設計系統中得到應用The control loop of attitude angle is designed with dynamic inversion method, and is divided into fast loop and slow loop at two time scales. in the end, the result of simulation showed that the three channels of attitude angle are discoupled by dynamic inversion method
在姿態角通道的設計中,採用動態逆思想,按照時標分離的原則將直升機飛控系統劃分為快慢迴路,並分別採用動態逆的方法進行設計,最後通過模擬得以證明直升機的三個姿態角通道得到有效的解耦。With high agility and high accuracy, and being safe and reliable in flight, unmanned helicopter has a broad prospect in city traffic monitoring, landform mapping and battlefield reconnaissance
無人直升機的高靈敏度、高準確性和高可靠性使得它在城市交通監控、地形測繪和戰場偵察等方面有著廣泛的應用前景。Over there, there was no transportation and communication was very difficult. so they sometimes had to use helicopters
去進行研究,那裡交通不方便,通訊也很不發達,所以有時必須用直升機。分享友人