直線導航 的英文怎麼說
中文拼音 [zhíxiàndǎoháng]
直線導航
英文
straight line navigation- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
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Palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞,棕櫚谷, 1977年,布魯斯?戴爾,光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。Bruce dale, palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞,棕櫚谷, 1977年,布魯斯?戴爾,光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。With argumentation system and differential system, gnss is capable of supporting en route flight and cat iii precision approach. this system can meet the need of all flight phases in terms of integrity, precision and continuity. with the application of area navigation and required navigation performance ( rnp ), this would make the parallel route, random route and direct flight route possible, and also improves the efficiency of air space and the flight safety
在導航系統中,全球衛星導航系統是其主要成分,通過增強系統和差分技術, gnss具有支持從航路飛行到類精密進近的能力,在完好性、精度、可用性、連續性上都可以滿足飛行各階段的要求;隨著區域導航和所需導航性能的實施,平行航路、隨機航路和起點和終點之間的大圓航線直飛得以實現,提高了空域利用率和飛行安全。" with the implementation of the ifr procedures, pilots can utilise signals from ground navigation aids and fly along the designated ifr routes even when the visibility precludes visual flights. the regularity of the helicopter service between hong kong and macau is therefore improved, " the spokesman said
他說:儀表飛行規則程序獲準使用后,即使能見度低至不可能靠目視飛行,飛行員仍可根據地面導航儀器所發出的信息,以設定的儀表飛行規則路線飛行,令來往港澳之間的直升機服務更有規律。By the simulation, it is indicated that the curve motion model based on the particle can describe the curve motion of the target. and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique. by the contrast between the simulation results and the positioning result of commercial data process software,
模擬結果表明,基於質點的曲線運動模型可較準確地描述進行曲線運動的載體; ukf演算法作為衛星導航系統的非線性濾波技術,較之傳統的線性濾波技術可獲得較高的定位精度;其定位結果與商業數據處理軟體相比,可滿足定位精度要求,該演算法可以直接應用於衛星導航系統的軟體實現。It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail
該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力,同時在航空舵機、伺服閥,以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想,以及系統方案的設計和各組成部分的功能與實現方法。Advanced weaponry and new tactical capability and communications combined with an increased weapons load of mark 48 anti - submarine torpedoes, harpoon missiles and tomahawk cruise missiles, which allow seawolf to operate from under arctic ice to shallow water close to shore. the seawolf was a product of the cold war, conceived to maintain the usa acoustic advantage over soviet submarines. with the end of the cold war and the change of emphasis to littoral operations, the cost of the seawolf submarines was judged prohibitive and the programme was curtailed in favour of the smaller and cheaper virginia class new attack submarines
「海狼」級擁有強大的攻擊力:為了能夠獲得並保持戰場的主動權,該艇裝備有8具660mm魚雷發射管,攜帶的武器有: slam陸攻型戰斧式巡航導彈,射程485海里, ssm反艦型戰斧式巡航導彈,慣性制導主動雷達反輻射制導,航速0 . 7馬赫,射程250海里,魚叉反艦導彈,航速0 . 9馬赫,射程70海里mk48adcap魚雷,直徑660mm ,有線制導,航速55節,射程27海里。Bruce dale, palmdale, california, 1977, streams of light trace a lockheed tristar l * * * ing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞,棕櫚谷, 1977年,布魯斯?戴爾,光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。It is a professional manufacturer of series of linear motion bearings, flange linear bearings, lengthened flange linear bearings, linear slippers, linear guides linear shaft chromeplate non - chromeplate, precise linear guides aluminium support guides, spherical plain bearings rod ends, spherical plain radial bearings, bolt type roller and needle roller bearings. we also can make other nonstandard bearings at any time. our products are used widely in various industrial machineries of weaving, printing, medical, precise machine tool, packing, metallurgy, spaceflight, automatic recording instrument, etc
麗水市豪滾軸承製造有限公司座落在浙江麗水市水閣工業區,是一家專業生產:直線運動球軸承系列法蘭直線軸承系列加長型法蘭直線軸承系列直線滑塊系列直線導軌光軸鍍鉻不鍍鉻精密直線導軌系列鋁支撐導軌桿端關節軸承系列向心關節軸承系列螺栓型滾輪滾針軸承系列,隨時可訂做各種非標型軸承,產品廣泛用於紡織機械印刷機械電動工具醫藥機械精密機床包裝冶金航天自動記錄儀等各種工業機械的配套。Specialist in educational and study tours across a range of curriculum areas including art and architecture, geography, history, modern languages, ww1 poetry and science
-提供出國留學的相關資訊,含留學指南院校導航留學直通車在線申請以及出國留學論壇Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device
本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究,研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論,推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝,在玻璃表面上製作了一塊面積為70mm 70mm ,線寬為5 m ,線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用,而且不影響精確制導的紅外線高效透過。The directing function of knowledge to detect the guiding road is analyzed, and the line road model is provided according to the characteristics of the agricultural environment
分析了路徑先驗知識對路徑檢測的指導作用,根據農田中視覺導航路徑的特點提出了直線路徑模型。The motion law of the perspective projection of a line on the ground in the image space is analyzed, and the navigation parameters are gotten directly by transforming the line in the image space into navigation parameters space according to the principle of hough transformation
本文中分析了直線路徑在圖像空間中投影的運動規律,研究了如何利用hough變換把圖像空間中的線映射成導航參數空間中的點,直接獲取所需導航參數的方法。Supported financially by the national natural science foundation of china, employing the testing techniques such as optical metallography analysis, scanning electron microscope ( sem ), electron microprobe scanning microscope ( emsm ), transmission electron microscope ( tem ), x - ray diffraction ( xrd ) and mechanical performance measurements ( including micro - yield strength mys ) etc., this research has worked comprehensively and deeply on a very important issue ? the micro - yielding behavior and mechanism of beryllium material for inertial guidance instruments and optical mirrors ? which has been paid more attention to by designers since the 8th even the 7th five - year plan
在國家自然科學基金資助下,本研究採用光學金相顯微鏡,掃描電鏡( sem ) 、電子探針( emsm ) 、透射電鏡( tem ) 、 x射線衍射( xrd ) 、力學性能(包括微屈服強度_ ( mys ) )等測試技術,較詳盡和深入地研究了「七五」 、 「八五」計劃期間用戶一直希望解決的慣性導航和光學鏡體鈹材一個十分重要的問題:微屈服行為及機理。Generally, traditional hough transformation is used to detect the line or some special curves in the image space, and navigation parameters can only be obtained indirectly by finding the corresponding position in the navigation coordinate through the anti - perspective matrix
傳統的hough變換是在圖像空間中檢測直線或某種特定的曲線,然後在把直線通過透視投影關系矩陣映射到導航坐標系中間接地得出所需的導航參數。Based on this, we determine to focus on some key technologies that impact the practicability of vehicle navigation system currently, take the route planning subsystem, which is the weakness of the existing vehicle navigation system, as the core, and mainly study the following three items : the route planning algorithms fitting for vehicle navigation, the representation and storage structure for road network, and the calibration of road weight, where the latter two are the basis of the former one
在此基礎上,確定了本文選題的指導思想:針對當前直接影響到車輛導航系統實用性的幾項關鍵技術展開研究,以現有車輛導航系統的薄弱環節? ?路線優化子系統為核心,重點研究適于車輛導航的各種路線優化演算法,以及作為其基礎的路網表達方法與存儲結構、道路權重的標定方法。Rotary - wing gunner : the helo gunner helps to navigate prior to combat, and once in combat, he scans for and engages the enemy while communicating his needs to the pilot ( ie that he needs to approach a target from a certain direction, or that he wants to employ specific armaments that require special delivery flight )
旋翼機炮手:直升機炮手有助於戰斗中的導航,一旦進入戰斗,他便向飛行員通報其搜索和交戰的需要,例如他需要一條確切的路線接近目標,或使用某種武器時需要特殊的飛行姿態。Fly on nonstop routingsmost accidents occur during the takeoff, climb, descent, and landing phase of flight so flying nonstop would reduce exposure to these most accident prone phases of flight
選擇直飛航線大多數空難發生在起飛、上升、降落或是著陸階段,所以盡可能選擇直飛來減少可能導致多發事故的環節。分享友人