飛機用天線 的英文怎麼說
中文拼音 [fēijīyòngtiānxiàn]
飛機用天線
英文
aeroplane antenna-
Russians likewise reinforced air units at the front. on 13 sep, ebashi gave go - ahead. 225 planes airworthy ; fighters and some light bombers deployed to forward bases. weather improved on 14 sep
俄國人同樣向前線增援航空單位.在9月13日，江橋到達前線. （鳥注:此譯不確，請高手指正） .可用飛機總數為225架;戰斗機和輕轟炸機布署在前進機場.自9月14日起，天氣轉好On the assumption that a cabin and a horn antenna were under the bottom of an airplane, fdtd method was applied to analyze the antenna patterns which are generally affected by the body of the airplane
摘要假定飛機腹部加裝了某一形狀的炮艙和矩形喇叭天線，用時域有限差分法（ fdtd ）分析了這樣的外形對天線輻射特性的影響。The motion carriers such as the automobile, trains, war vessels, the plane and so on, are in flux by their position and azimuth, if want kepting satellitic message and taking over satellitic signal, must adopt the platform system of tenaclous tracking satellite antenna
汽車、火車、艦船、飛機等運動載體的位置和姿態不斷的在變化，要保持與衛星的通訊聯系和接收衛星視頻等信號，就必須採用衛星天線穩定跟蹤平臺系統。Chapter four research the technology means of multimedia - aided aviation learning such as representation of the sky - ground line, the tri - dimension model facture and fictitious technology. by summarizing the software development experience, we put forward our own solving method of the technological difficulties
第四章對多媒體輔助飛行教學的技術手段進行了深入研究，就天地線的表現、飛機三維建模和虛擬現實等技術的應用進行了闡述，通過總結多年的軟體開發經驗，對技術難點提出了相應的解決辦法。Before the implementation of ifr routes and procedures, helicopter services between hong kong and macau were operated only when weather conditions satisfied the visual flight rules. flights were sometimes delayed or even cancelled due to inclement weather
在儀表飛行規則路線及程序獲準採用前，來往港澳之間的直升機只可在天氣容許目視飛行的情況下運作，直升機服務偶會因天氣惡劣而延遲或取消。More than a half of domestic model friends have not paid enough attention on the right use of channel flag, ribbon is often tied to the antenna of emitting device to see the direction of wind sometimes no strips, in fact channel flags are mainly used to tell the different channels by it s distinct colours in addtion to observing the direction of wind, please notice that some colourful flags can no longer be used
3 .我有我品味多半國內模友在飛行時都沒有注意正確使用頻道旗，往往只是在發射機天線上繫上飄帶以便看風向有的甚至沒有，其實頻道旗除了可用於看風向外，最主要的作用是以其不同的顏色區分不同的頻道，注意不要隨意掛五顏六色的旗了哦！Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度In this paper, the application of advanced composite in space shuttle, aviation engine, radar antenna mask, aviation hot insulation material, space satellite solid rocket engine and strategic missile are discussed
摘要討論了先進復合材料在航天飛機、航空發動機、機用雷達天線罩、航天隔熱材料、航天衛星和宇航器、固體火箭發動機殼體、戰略導彈等方面的應用情況。The parallel robot has become a hot spot for a long time because of its simple structure, high stiffness, high precision, and low movement inertia. it especially adapted to the task, which required high precision, heavy load and limited space
並聯機器人具有結構簡單、剛度好、定位精度高、動態響應快等優良特性，特別適用於高精度、大載荷且工作空間較小的場合，在裝配生產線、高精密機床、飛行模擬器、衛星天線換向裝置等等很多方面都有著巨大的應用價值。In this paper, the vacuum thermo - cycling effects and vacuum ultraviolet effects on space inflatable structural materials were analyzed based on a thorough survey over the studies done through flight tests, ground simulation experiments and theoretical research. the main contents of this thesis are as follows : the performance damage effects of thermo - cycling on space inflatable structural fabric carbon fiber reinforced epoxy laminates ( cf / ep ), aluminized kapton ( al / kapton ) films which used as reflector of space inflatable antenna were investigated by a temperature range of - 120 120 with the vacuum degree 10 - 5 pa which conducted with space environment ground - based simulation facility
本文在對國內外飛行試驗、地面模擬試驗以及理論研究等所取得的成果調研的基礎上，針對空間充氣結構材料進行地面模擬真空熱循環與真空紫外輻照的研究工作:利用真空熱循環地面模擬試驗機研究了真空環境（ 10 - 5pa ）中- 120 120的熱循環條件下空間充氣支撐結構織物碳纖維增強環氧樹脂（ cf / ep ）層合材料、空間充氣展開天線反射面鍍鋁聚酰亞胺（ al / kapton ）薄膜的空間環境效應。This will allow singapore airlines to operate each of its jets for some 14 hours a day this year, at least two hours longer than some of its long - haul rivals, so it needs fewer of them than a carrier trying to serve the same routes with older planes
這將允許新加坡航空公司今年每天使用飛機大約14個小時，比一些它的長途線路競爭者至少多兩小時，所以，它比試圖用老飛機飛行同一線路的公司需要更少的飛機。Precision transmission device is one kind of the key fundamental components, which are extensively applied to many industry fields including robot industry, machine industry, instrument industry etc. with the development of information technology and space navigation technology, especially the micro - miniaturization, speediness and automation of satellite communication, scouting the flying project, remote sensing and measuring and astronomic observation antenna system, more hard requirements are demanded on precision transmission
精密傳動是一種重要的基礎性零部件，在機器人、機床、儀器儀表等工業領域有著廣泛的應用。隨著信息和宇航科學技術的發展，特別是衛星通信、飛行目標跟蹤與攔截、遙感與遙測、天文觀察等天線系統的微小型化、快速化及自動化，對精密傳動提出了更高的要求。With the rapid development of modern computer science and information technology, and with the marvelous renovation of image identification, mtt comes out into the open and is of great practical value in the field of military defence, medical research, traffic monitoring, astronomical prediction, intelligent supervision etc. particle filter, as a nonlinear filtering based on bayesian estimate, has an advantage in the field of nonlinear moving target tracking
隨著現代計算機和信息技術的飛速發展及圖形識別演算法的革命性改進，多目標的實時追蹤技術脫穎而出，在軍事國防、交通監視、天文預測、智能監控等領域有著非常重要的實用價值。粒子濾波作為一種基於貝葉斯估計的非線性濾波演算法，在處理非線性運動目標跟蹤問題方面有獨到的優勢。分享友人