satellite acquisition 中文意思是什麼

satellite acquisition 解釋
衛星獲得
  • satellite : n 1 【天文學】衛星；人造衛星；〈比喻〉衛星國。2 隨從，幫閑者，食客。3 【生物學】隨體（指染色體）...
  • acquisition : n. 1. 取得，獲得；習得。2. 取得物，獲得物[人]。3. 【無線電】探測。
  1. However, the longer length of c / a code, the more hardware resource and power it cost. this dissertation commits research on algorithm of c / a code acquisition in satellite navigation position system, and compares the acquisition means of digital differential matched filter ( ddmf ) with traditional means, and also achieves ddmf with the vhdl language and fpga platform

    擴頻碼的周期的加長會給衛星導航定位系統帶來許多相應的好處，但問題也就隨著之而來了，擴頻碼的周期越長，同步捕獲所需得的時間就越長，而且若用傳統的并行捕獲方法，將極大的耗費硬體資源，而且系統功耗會隨之增大。
  2. At last the algorithm of ddmf is achieved by the investigation tool of altera company ? quartus ii and the vhdl language, and its ip core is also achieved which is used not only in the satellite navigation position system, but also in the long pn code dsss system. ddmf investigated in the dissertation gives a good way to design the rapid pn code acquisition in the beidou project, and the technology has the definite theory and practice significance

    此外還應用altera公司的最新的fpga開發工具quartusiiv5 . 1 ，採用了國際標準的硬體描述語言? vhdl語言，對數字差動匹配濾波器和傳統匹配濾波器演算法予以實現，開發了該演算法的軟ip核，可以對所應用的擴頻碼長度， a / d采樣后的數據量化階數，所用擴頻碼等可進行隨意改寫。
  3. Satellite remote sensed images provide us environmental data of wide ground coverage, multi - temporal acquisition and digitized format

    衛星遙測影像基本上可提供大范圍，多時性，及數位化的環境資料。
  4. Also because this technology to build 3d gis relates to a lot advanced data acquisition means, such as satellite photography and aerial photography. to help understanding, i introduce some geographic information system ' s elementary theory and some knowledge about photo processing and measurement

    因為創建三維地理信息系統涉及一些先進的數據獲取手段（例如衛星影像、航片的處理） ，為方便理解，本文也介紹了一些專業外的地理信息系統的基礎理論知識和一些先進的遙感圖像處理、攝影測量技術。
  5. Using this dynamic model, the influences of the flexible solar - array ' s rotation have been discussed. 2. employing classical control techniques, the satellite earth acquisition has been studied and numerically simulated

    2 、以經典控制理論作為主要工具，研究了衛星捕獲地球的技術，並對衛星捕獲地球的整個過程進行了數值模擬。
  6. Then it explains how to develop the general data acquisition terminal with pic16c57 by referring to the principle, interface, and data communications protocol of environmental multiple - parameter sensors ysi and satellite terminal modules

    然後，本文在分析環境多參數傳感器ysi和北斗衛星終端的工作原理、介面特點和通信協議的基礎上，用pic系列單片機pic16c57研製了通用數據採集終端。
  7. To implement the snps acquisition, the new satellite signal frame form, modulation and error control codes are designed

    本文還提出了衛星導航定位信號的快捕獲方案，設計出利於實現長碼快捕獲的衛星信號格式，調制方式和糾錯編碼方案。
  8. In satellite navigation and positioning system, time is important information for fast and direct acquisition of long cycle code, one of its important aspects is the uncertainty compression of signal ' s propagation delay to reduce time search range

    摘要衛星導航定位系統中，輔助長碼快捕的一個最重要的信息是時間信息，衛星信號傳播時延估計是提供先驗時間信息，減少時域搜索范圍的一個重要方面。
  9. The dynamic model of the satellite with a flexible appendage has been studied in this thesis. also, the techniques of the satellite earth acquisition and three - axis attitude stabilization of both the rigid satellite and the liquid - filled satellite have been researched

    本文針對單翼大撓性太陽帆板衛星，建立了撓性衛星動力學模型，在此基礎上，研究了地球捕獲、剛體衛星三軸姿態穩定、充液衛星三軸姿態穩定問題。
  10. Thus, automated information acquisition from imagery has become a bottleneck, which needs to be overcome. road networks are important geographical thematic information of satellite imagery. in the past, automatic road extraction from digital imagery has received considerable attention

    道路信息是遙感影像中的一種重要的地理專題信息，從遙感圖像中識別道路是圖像解譯和目標識別的一個重要的研究課題。
  11. The inter - satellite link ( isl ) establishing is the precondition for tdrs system ’ s operation. acquisition and tracking ( a & t ) technology is one of the key technologies for isl establishing

    星間鏈路的建立是中繼衛星系統運行的前提，星間鏈路捕獲跟蹤技術是星間鏈路建立技術中的關鍵。
  12. The latest success was the entry into china s energy sector through an agreement with liaoning xinsheng digital technology to provide a satellite - based supervisory control and data acquisition solution for the liaoning rural electricity project

    最新的突破是與遼寧訊盛數碼科技簽訂協議，為遼寧郊區電力項目提供衛星監控及資訊提取方案，進軍中國能源行業。
  13. Rapid acquisition of doppler shift in satellite communications

    衛星通信中多普勒頻移的快速捕獲
  14. By computer sampling the long periodic sequence and estimate the confidence interval, we can conclude the cross correlation value of long periodic sequence is biger than 0. 03 with a probability lower than 10 - 7. this thesis also presents a new quick acquisition method of long periodic non - linear codes used in the satellite navigation and positioning signal ( snps )

    通過計算機采樣數據和區間估計，對于超長偽隨機序列可以以99 . 99的概率確信，在2048相關長度的條件下，長碼的局部互相關值超過0 . 03的概率低於10 ~ （ - 7 ）數量級。
  15. Design of optical fiber gyro data acquisition circuit applied in satellite based on dsp

    的星載光纖陀螺數據採集電路設計
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