tracking receiver 中文意思是什麼

tracking receiver 解釋
跟蹤接收機跟蹤接收器
  • receiver : n 1 接受者。2 收稅人，收稅官。3 招待人。4 窩家，收買賊贓的人。5 應戰者。6 【法律】破產案產業管理...
  1. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  2. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。
  3. As a result, pseudorandom code acquisition and tracking, carrier recovering, error correction and decoding functions are needed in the if digital receiver

    因此，其中頻數字接收機需要完成偽隨機碼捕獲跟蹤、載波恢復、糾錯譯碼等功能。
  4. Pn acquisition involves coarsely aligning the local replica generated in the receiver with that of the received signal and pn tracking is to realize the synchronization accurately, so pn acquisition is the emphasis and difficulty of pn synchronization

    序列捕獲實現擴頻序列的粗同步，序列跟蹤實現擴頻序列的精確同步，序列捕獲是擴頻序列同步的重點和難點。
  5. The article emphasizes on analyzing the ability to capture and track of a tracking receiver in antenna systems

    論文深入研究了天線系統跟蹤接收機捕獲跟蹤性能分析的相關問題。
  6. 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。
  7. Tracking receiver is an important partition of data relay satellite capturing and tracking system. its performance affects the quality of space link directly

    跟蹤接收機是數據中繼衛星捕獲跟蹤系統的關鍵部件，它的性能將直接影響鏈路質量。
  8. Three - channel tracking receiver

    三通道跟蹤接收機
  9. Two - channel tracking receiver

    雙通道跟蹤接收機
  10. According to the tracking principle being exploited, we make the simulation plan and flow chart, and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems. the data simulation model of the tracking receiver is built up. using matlab simulation, we verify the fact, investigate the accuracy factors and finally conclude all in practice

    在自動跟蹤系統中，跟蹤接收機作為核心控制單元，根據所採用的跟蹤方式的原理，制訂模擬方案，確定模擬流程，重點討論了天線系統跟蹤接收機性能對捕獲跟蹤系統的影響，研究並建立了跟蹤接收的數字模擬模型，通過matlab模擬軟體系統進行了模擬分析和驗證，研究了各種參數對系統精度的影響，得到了有實用價值的結果。
  11. The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator, parallel - to - serial conversion module, output processor and afc module

    接收部分主要有數字下變頻、數字匹配濾波器、積分清洗、功率檢測、符號跟蹤處理、差分解調、並串處理、自動頻率跟蹤處理等模塊。
  12. A flock of pigeons fitted with mobile phone backpacks is to be used to monitor air pollution, new scientist magazine reported on wednesday. the 20 pigeons will be released into the skies over san jose, california, in august. each bird will carry a gps satellite tracking receiver, air pollution sensors and a basic mobile phone

    據路透社2月2日援引美國新科學家雜志的報道說，每隻鴿子的身上都會被放置一臺gps衛星定位接收裝置，一個能監測空氣中一氧化碳和二氧化氮含量的空氣污染傳感器以及一部具備基本功能的
  13. Such tdrss system can significantly reduce the use of ground - based monitors as well as increasing medium - low orbit coverage, hence enhance the efficiency of the usage of space along medium - low orbit. “ space target capturing and tracking ” ( stct ) is an important technique in data relay satellite system, and is the preliminary requirement to establish the space link. “ performance of analyzing and simulating on tracking receiver in data relay satellite capturing and tracking system ” plays an important role of stct

    數據中繼衛星系統是為中、低軌道的航天器與航天器之間、航天器與地面站之間提供數據中繼、連續跟蹤與軌道測控服務的系統，使用數據中繼衛星可以大量減少地面測控站的數量，增大對中、低軌道的覆蓋率，有效的利用中、低軌道資源。 「星間目標捕獲與跟蹤」是數據中繼衛星系統的一項關鍵技術，是建立星間鏈路的首要條件。
  14. And the pn code tracking scheme adequate for the wcdma uplink is presented and combined with the mulipath acquisition and channel estimation algorithms to complete the rake receiver scheme. computer simulations show the tracking scheme meets the requirement of wcdma uplink in 3gpp protocols and has good performance

    通過大量的計算機模擬和驗證，證明本論文提出的同步跟蹤方案完全能達到3gpp協議對上行鏈路接收機的要求，具有較好的性能，同時指出進一步研究和提高的思路。
  15. The underwater wget sdriulator is developed for the underwater tuget tracking system. lts functon is to simulate acoustic muhi - channel signals and underwater taiget ' s dring tracks as if the buoy receiver is receiving data frorn the real world

    水下目標模擬器是水下目標跟蹤定位系統的實驗室檢驗設備，主要任務是模擬水聲多途信號和水下目標的運動軌跡。
  16. The main work of this thesis includes : system level design and implementta - tion of an underwater multiple targets tracking ( umtt ) system, use of the embedded dgps receiver in buoy, migration of wireless communication system on ocean, and performance verification by experiments

    本論文的主要工作包括水下多目標跟蹤系統的總體設計研究與實現，浮標中嵌入式dgps接收機的使用和海上無線通信系統的搭建，最後通過實驗驗證系統的工作性能。
  17. Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation

    主動水聲跟蹤定位系統通過測量脈沖信號的傳播時延可以測得目標相對接收機的距離，當此傳播時延大於系統同步周期時，時延測量就會呈現不確定性，可能相差若干個重復周期，導致定位解多值，稱之距離模糊現象。
  18. It is necessary that the receiver tracks the acquired signals steadily and credibly to ensure the successful demodulation process. in this thesis, an improved tracking loop design method is presented which adopts self - adaptation parameters and varied bandwidth tracking technique to adapt to the input signals, and improves the acquisition and tracking performance

    接收機穩定可靠地跟蹤被捕獲信號保證成功解調是必要的，本文介紹一種改善的鎖相環設計方法，這種方法採用自適應參數和變帶寬跟蹤技術來調整輸入信號改善捕獲和跟蹤性能。
  19. Ups on - line tracking software provides a real - time image of receiver s signature and allows a customer to track up to 100 packages at a time

    Ups在線包裹追蹤軟體提供收件人簽名的實時圖像，並使得一個客戶能夠一次追蹤多達100件包裹。
  20. By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well

    本文從經典的gps接收機跟蹤環出發，分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數學模型；通過對多徑效應的幾何模型分析，提出了多徑信號相對路徑延遲的數學模型；在此基礎之上，提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法，通過計算機模擬證明了該演算法的有效性。
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