目標衛星 的英文怎麼說
中文拼音 [mùbiāowèixīng]
目標衛星
英文
target satellite- 目 : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 衛 : Ⅰ動詞(保衛) defend; guard; protect Ⅱ名詞1 (周朝國名) wei a state in the zhou dynasty2 (姓氏...
- 星 : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
- 目標 : 1. (對象) target; objective 2. (目的) goal; aim; destination
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Orbiting satellites were better at spying on enemies than wayward reconnaissance drones, and rockets destroyed targets more reliably than temperamental flying bombs did
按軌道運動的衛星比難以駕馭且以監控為主的無人駕駛飛機更好地偵查敵情,而且相對於我行我素的自動導航導彈而言,用火箭來毀滅目標更具可靠性。Object location of satellite imagery under lacking ground control points
缺少控制點的衛星遙感對地目標定位In order to increase pointing precision, the error caused by inductosyn and ad2s80a are analyzed as a focus, consequently, high precision inductosyn is used, then current iscompensated and finally the input and output differences are adjusted when
根據衛星軌道姿態,運用球面三角形找出衛星及星下點與目標點之間的關系,建立了指向反射鏡與目標點的角度關系。So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets
本文結合「空間目標監視光電望遠鏡陣系統」課題,進行了空間目標可視化系統的設計和研究,主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理,分析了二體軌道特性和發射窗口的基本特性,星下點軌跡計算、可見性和覆蓋分析和兩行根數。The maximum range is the most important specification for a laser altimeter and 200km is the required level for the spaceborne laser altimeter in the lunar resources survey. in the paper, one kind of method and setting characterizing the laser altimeter ' s performance aiming at the specification of maximum range - noncooperative regulable attenuation was put forward and founded
中科院知識創新重大方向?月球資源探測衛星激光高度計,要求實現200km的對月測距能力,本文以地面驗證激光高度計最大測程指標為目標,提出並建立一種激光高度計性能驗證方法?非合作目標可調衰減法和裝置。By means of images processing of satellite, geometrical correction of images from uav rs system was accomplished by polynomial. in the processing of images of wuming in guangxi province, a set of scan large - scale relief maps were used
借鑒衛星影像的處理方法,將目標區現有的大比例尺地形圖數字化后,利用多項式法完成了廣西武鳴城區無人機遙感飛行試驗影像的幾何糾正,並取得了較好的效果。In any event, the us, as the world ' s leading space - faring nation, has much at stake and much to lose if space becomes a shooting gallery and satellites the tar * * s, both sides agree
從任何角度來說,如果太空變成一個射擊場將人造衛星做射擊目標,美國,做為世界上太空使用國的領頭羊,將具有重大的麻煩和巨大的損失,雙方都承認這一點。In any event, the us, as the world ' s leading space - faring nation, has much at stake and much to lose if space becomes a shooting gallery and satellites the targets, both sides agree
從任何角度來說,如果太空變成一個射擊場將人造衛星做射擊目標,美國,做為世界上太空使用國的領頭羊,將具有重大的麻煩和巨大的損失,雙方都承認這一點。Inverse aperture radar ( isar ) can image non - cooperative moving targets such as aircrafts, ships and celestial objects over a long distance under all weather and all day. it is of particular interest for strategic defense, anti - submarine warfare and radar astronomy
逆合成孔徑雷達( isar )能夠對飛機、艦艇、天體等非合作運動目標進行全天時、全天候、遠距離成像,在戰略防禦、反衛星、戰術武器以及雷達天文學中都有重要應用價值。Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。4. on the base of deep discussing about spaceborne sar operation, we present an approach to acquire the target location plane by satellite position and platform attitude, then to locate the target consistent with the earth surface curvature
論文在深入研究星載雷達實際工作狀況的基礎上,提出了一種由衛星位置和平臺姿態獲得衛星與目標所在的定位平面,再根據目標所在地面的彎曲狀況以及衛星到目標的距離確定目標位置的方法。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。124 well - designed commercial guest rooms include a variety of fashionable contracted standard rooms, economic comfortable king - size bed rooms and spacious valued advanced king - size bed rooms. all rooms are equipped with excellent bed necessaries, free high speed internet service, pleasant shower equipment, plenty satellite tv, fashionable contracted washroom and so on. it also offers council chamber and leisure commercial chamber. han ting hotel - waitan, waiting to provide you with careful and polite service. let you omnibearing enjoy the special inventive mind and unique charm from the hotel
上海漢庭酒店連鎖-外灘店擁有精心設計的商務客房124間,包括時尚簡約的標準房經濟舒適的大床房寬敞尊貴的高級大床房。客房提供優質的床上用品免費高速寬帶上網舒適的淋浴設備豐富的衛星電視節目時尚簡約的衛生間等。並設有會議室休閑商務會所。Guilin tailian hotel is a three - star hotel, located in the central city of guilin, with the architecture area about 22000 square meter, adjoining to store building of guilin. surrounding two rivers and four lakes, elephant trank hill. central square etc. tourist attractions, it is very convenient for travel, shopping and traffic. room intro there are suite, standard room, triple room, couple room king size bed, family room one big and one small bed etc. deluxe room about 200 in the south and north building. in rooms, there are mini - bar, satellite tv program, drinking machine, drier, air - conditioner etc. facilities. and there is the broadband internet service of high speed in the north building
酒店南樓北樓擁有套房標準間三人間夫妻間大床間家庭間1大1小床等設備全的豪華客房二百間,客房內設有迷你冰箱衛星電視節目電熱水壺或飲水機電吹風空調等服務設施,北樓房間設有高速寬頻介面,可免費供您上網,為您的商務活動助上一臂之力。The hotel has 228 guestrooms at all levels including presidential suites, deluxe suites, deluxe rooms, standard rooms, couple s suites, tri - bed rooms, rooms for the disabled, and rooms for kids. all these are well - equipped and elegantly decorated. the hotel has bas intell - igence control, satellite tv and cable tv programs, hi - fi systems and fire - alarm systems
酒店擁有各種類型客房228套,設總統套房豪華套房豪華客房標準客房三人房家庭房殘疾人客房嬰兒房,客房裝修豪華典雅,設備全,大廈bas智能控制,衛星及有線電視節目bbc nhk hbo kbs . ,背景音響系統消防報警一應俱全,並免費提供國際網際網路。At the same time it is also the training base of chinese business association. room intro the hotel has 226 rooms of different types, including standard rooms, deluxe suites, executive suites, and 700m garden suites
擁有各種不同風格四星級水準的標準間高級套間行政套間及近700平方米的花園套間共226套,裝飾高雅溫馨,配有高檔傢俱電器國際國內長途電話24小時衛星電視節目寬頻上網服務等配套設施一應俱全。During simulating the observation of the synchronous debris, choicing two sites : nanjing observatory and kunming observatory, employing two ways that are tracking stars and tracking satellites, and observing the geostation - ary satellites of the identical geographical longitude are in this paper. the method of finding the new object and its initial orbit are given, too
在對于高軌空間碎片進行了觀測模擬時,分別選取南京和雲南兩個觀測站;採用兩種跟蹤方式:跟蹤恆星和跟蹤衛星;並對于同一地理經度上的同步衛星進行觀測;提供了發現新目標的方法;並給出了新目標的初軌多種計算方法。The event occurred 94 min. before sunrise at xichang, but the target satellite was in sunlight, enabling excellent monitoring of the event by the chinese
試驗是在西昌日出前94分鐘進行的,但目標衛星在陽光照射之下,這為中方監測試驗提供了極佳條件。Tracking of the target satellite was managed from a large team at the xian chinese space tracking control center
對目標衛星的測控是由中國西安空間測控中心的龐大隊伍來運作的。Air force space command data show that when the kill vehicle impacted the target satellite, debris was ejected from the impact point at velocities of up to 1, 400 mph. ( 2, 000 fps. )
美國空軍空間指揮中心的數據表明,當攔截器撞擊目標衛星時,碎片會以每小時超過1400英里(每秒2000碼)的速度從撞擊點飛散出去。分享友人