星體的跟蹤 的英文怎麼說

中文拼音 [xīngtǐdegēnzōng]
星體的跟蹤 英文
star tracking
  • 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...
  • 體 : 體構詞成分。
  • 的 : 4次方是 The fourth power of 2 is direction
  • 跟 : Ⅰ名詞（腳的後部或鞋襪 的後部） heel Ⅱ動詞1 （在後面緊接著行動） follow 2 （指嫁給某人） be marrie...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 星體 : cytaster aster; kinosphere aster; planet; aster; [天文學] celestial body; heavenly body
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. 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。
  3. And then, according to the kind of satellite and the requirements for geodetic and astrometric study and the geometry of gnss ( gps, galileo ) satellite to track the space vlbi satellite, the six keplerian elements of chinese space vlbi satellite ( test - svlbi ) are selected and determined

    根據衛星軌道的分類、大地測量和天體測量對空間vlbi衛星的要求，以及gnss （ gps和galileo ）衛星對空間vlbi衛星跟蹤觀測的幾何條件而設計了我國空間vlbi衛星的六個軌道根數。
  4. Finally, attitude stabilization control of the satellite and pointing precision of the payload are researched in the phase of infrared camera tracking object

    第三，在紅外相機跟蹤目標階段，研究了星本體的姿態穩定控制以及有效載荷的指向精度問題。
  5. Based on research and experiments, we effectively improved the s - band tt & c transponder for satellite in such dimensions : with sensitivity up to - 92dbm ; dynamic range wider than 55db ; capture bandwidth of the receiver wider than 500khz ; capture time reduced to 22ms

    通過論文工作，成功地改進了川于衛星的s波段測控通信一體機，跟蹤和捕獲接收靈敏度都能達到一92dbm ，動態范圍55db以上，接收機的捕捉帶寬大於500khz ，捕捉時問減小到22ms 。
  6. Radar altimeter is a kind of very important microwave sensing instrument for observing the earth, and there are a lot of key technologies involved in the high resolution spaceborne radar altimeter ( hrsbralt ). the principle of hrsbralt, the acquisition and track methods, the if simulation, the closed loop internal calibration method, the pulse repeat frequency ( prf ) design, and the ocean - land compatible altimeter design are studied in this dissertation

    雷達高度計是一種重要的微波遙感儀器，本文就高解析度星載雷達高度計的工作機理、跟蹤方法、大時帶積在軌閉環內校準以及海陸兼容等內容進行了深入的研究，具體包括以下八個方面的內容： （ 1 ）深入研究了星載雷達高度計的工作機理，並對典型雷達高度計系統進行了分析。
  7. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機，採用多邊形磁鏈軌跡法（電壓空間矢量法）的控制策略；動量平衡電機採用永磁無刷直流電機，通過電流環、速度環達到快速、精確跟蹤驅動電機的目的，確保了衛星姿態恆定；設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制，並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  8. The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time

    文章分析了天線作跟蹤運動和星體作姿態調整時，對星體姿態控制精度和天線的指向精度影響，同時分析了阻尼、跟蹤速度、噴氣脈沖寬度等因素變化對動力耦合程度的影響。
  9. A multiloop antenna pointing controller has been designed while three feedforward schemes are used in this control design. the simulation results show that the antenna pointing control system can improve the precision of the attitude angle and the attitude angle rate, and the antenna can slew to the neighborhood of tdrs fast, search and then track tdrs

    在設計好的天線跟蹤指向控制系統基礎上，採用前饋+反饋的復合控制策略設計了復合控制器，模擬結果表明設計的天線指向控制系統能夠較好的提高星體的姿態穩定度和控制精度，天線能夠快速回掃至中繼衛星附近並進行跟蹤，天線指向精度滿足設計要求，表明了所設計的天線指向控制系統的合理性和有效性。
  10. Fitful system scheme is chosen for both tdrs and user ’ s satellite

    選擇了適合中繼星和用戶星的角跟蹤體制。
  11. Through further analysis on chosen angle tracking system, two angle tracking receiver schemes are fixed for tdrs and user ’ s satellite

    通過對選定的角跟蹤體製作進一步的分析，確定了中繼星和用戶星的角跟蹤接收機方案。
  12. Thesis gives cargo tracking mode and architecture as well as thoughts when enterprises carry out co - operation cargo tracking system. to state cargo tracking co - operation between china national foreign trade transportation ( group ) corporation ( sinotrans ) and guangdong south satellite telecommunication service co. ltd ( sst )

    論文以中國外貿運輸總公司和廣東南方衛星通信服務有限公司進行協同跟蹤為例，提出了協同跟蹤模式，並給出了跨省際的物流運輸企業建設協同跟蹤系統的總體框架和思路。
  13. Abstract : the single toroidal non - reciprocal ferrite phase shifter that isthe key components of a phase array antenna is studied to develop the phase array antenna for autotracking synchronous communication satellite

    文摘:為了研製自動跟蹤同步通信衛星平板相控天線陣系統，對相控陣天線中的關鍵元件單環非互易鐵氧體移相器進行了研究。
  14. The key equipment of mobile carrier satellite communication system is the automatic tracking system of satellite antenna

    移動載體衛星通訊系統的關鍵設備是衛星天線自動跟蹤系統。
  15. In addition, this paper succeeful design a ship - borne antenna stabilized system, introduce the hardware design and debug process

    此外，本文還成功地設計了一套用於海上衛星通信的船載天線穩定跟蹤系統，詳細介紹了其硬體設計思想和調試過程。
  16. The star calibration system, which is one of methods to calibrate precision and adjust tolerance of tracing and measuring devices in fields, has been widely applied to high precision tracing and measuring devices such as photoelectric theodolites, radars, etc. combining with many researching fields such as astronomy, computer control technology, communication, science engineering algorithm, etc, star calibration software have characteristics of large size, long development period, etc, but their inherent coherence and constant establish the base of abstract and reuse

    星體標校系統是實現跟蹤測量設備外場精度標校和誤差調整的方法之一，廣泛應用於光電經緯儀、雷達等高精度跟蹤測量設備中。星體標校軟體集天文、計算機控制技術、通訊、科學工程計算等眾多知識領域，具有軟體規模大，開發周期長等特點，但其本身存在一致性和不變性，奠定了它們的可抽象性和可復用性的基礎。
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