carrier phase 中文意思是什麼

carrier phase 解釋
載波相位
  • carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  1. Autonomous formation flyer technology developed by jpl is used three receiving antennas and one transmitting antenna are installed on each satellite each of satellites can transmit analog gps signal but more accuracy. the multiple receiving antennas on the every satellite are capable of acquiring precise pesudorange and carrier phase signals transmitted by other satellite and compose of a kind of onboard augment gps system

    在文中,利用jpl提出的自主編隊飛行技術aff ,在每個編隊衛星上安裝一個發射天線和三個接收天線,每一個發射天線可以發射類似於gps的高精度偽距和載波信號,與其它衛星上的多個接收天線構成星載擴展gps系統。
  2. 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。
  3. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現,利用該晶元的資源,實現各模塊的調度,完成對導航電文的提取,重新組幀,定位解算以及對外介面;在解算部分,把載波相位定位與碼測距定位相結合,利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試,以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  4. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  5. High precision positioning is based on carrier phase measurements. how to confirm integer ambiguity is very important

    以載波相位觀測量為依據進行高精度定位時,整周模糊度的確定是一個關鍵問題。
  6. In the thesis, i introduce the theory and application of gps carrier phase measurement, analyze the errors in the observation of gps signal, study the ways to reduce these errors, specially for the error caused by multipath

    論文介紹了gps載波相位測量技術的原理和應用,分析了gps觀測量的誤差,研究了減小和消除各種誤差的方法,重點是減小多徑效應的影響。
  7. The key problems of gps carrier phase measurement are how to solve the integer ambiguity of gps carrier and how to detect and compensate the cycle slip of gps carrier in the period of navigation process

    載波相位測量定位的關鍵問題是如何確定整周模糊度和周跳的探測和修復。本文對此問題展開研究,討論了在載體動態運行環境下,動態整周模糊度問題和周跳的探測與修復問題。
  8. To jupiter gps oem board receiver of the low cost, the software was developed according to the original data of satellite, the primitive observation data of receiver and gps theory of technology based on gps pseudo - range observation and carrier phase measurement. 2

    針對低成本的jupitergpsoem板接收機,直接根據星歷原始數據和接收機原始觀測數據以及gps定位技術的理論進行了gpsoem板的偽距與載波相位定位軟體的開發。
  9. Recently, with the development of gps, many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement. the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly

    近年來,隨著gps的發展和完善,利用gps載波相位觀測量實現飛機的精密進場與著陸的研究,開始受到人們的關注,而載波相位整周模糊度的動態確定是其中的關鍵技術。
  10. Firstly, the principle of gps kinematical carrier phase measurement positioning is introduced concisely. the mathematical mode of gps carrier phase measurement absolution positioning is discussed and provided. a way to obtain the difference between the true location and the estimated location is proposed

    論文首先介紹了gps動態載波相位測量定位原理,討論了動態載波相位測量絕對定位的數學模型,給出了一種求解接收機所在位置改正數的方法。
  11. 1 ) based on the theory and application of gps, the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied. the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages, and the advantages and disadvantages of using those types are pointed out. 2 ) the various factors, which influence positioning accuracy, are analyzed in this paper

    論文的主要內容和研究成果如下: 1 )簡要介紹了gps的原理和應用,論述了rtk ( realtimekinematic ) - gps載波相位測量(通常簡稱為rtk )系統的組成和工作原理,通過對rtcmsc - 104電文的分析,比較了rtk電文type18 19與type20 21的差別,指出分別使用這兩電文實現rtk的利與弊。
  12. In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests

    為了適應精準農業高精度、低成本的gps定位導航應用要求,本文通過對gps偽距和載波相位定位方法的研究,結合精準農業的實際情況,提出了基於gpsoem板的高精度定位與測量方法,並用模擬和田間試驗驗證了各關鍵技術的可行性。
  13. Integer ambiguity resolution is the key problem of gps based real - time attitude determination system which use double differencing carrier phase observables

    Gps姿態測量通常採用雙差載波相位觀測量,因此整周模糊值解算成為gps實時姿態測量的關鍵問題。
  14. With the rapid development of the carrier phase differencing technique and digital signal processing hardware, it is possible to implement real - time processing of gps based attitude determination system

    隨著載波相位差分技術和數字信號處理硬體的快速發展, gps姿態測量的實時處理成為可能。
  15. Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms

    為更好地解決高動態環境中的載波同步問題,本文進一步研究了存在動態多普勒頻移情況下的開環相干載波同步問題,包括基於擴展卡爾曼濾波、最小二乘演算法等的頻差、相差聯合估計方法。
  16. A integrated algorithm of ambiguity resolution is proposed. by using triple carrier phase, integer gauss transformations, qr factorization, cholesky factorization, and geometry constraint, the correlation between ambiguity components is reduced, and more error ambiguity can be discarded, also process of ambiguity searching getting rapidly. the ratio test combining constraint of baseline is used to fix ambiguity rapidly

    利用三差最小二乘求解模糊度浮點解,然後採用整數高斯變換降低模糊度分量間的相關性,再根據qr分解和基線幾何約束減少需搜索的模糊度組合,採用cholesky分解在搜索過程中及早淘汰不正確的模糊度組合,最後利用ratio檢驗與基線幾何約束條件相結合檢驗模糊度組合,盡快固定正確的模糊度。
  17. The results obtained from the simulation example suggest a good effect and significance of using gps simulation data for demonstrating the feasibility and validity of an od design or an algorithm of certain problem. 4 the ill - conditioned problem existing in relative kinematic od using gps carrier - phase data is discussed and then some preliminary efficient approaches for solving this problem are given out there are several reasons that cause the ill - condition pro

    (四)探討了星載gps相位相對定軌中的病態性問題,並嘗試給出了較有效的解決方案地面基準站、低軌衛星和gps衛星之間的幾何形狀分佈不佳,差分技術的應用使得模糊度之間及模糊度和三維坐標向量改正之間產生較強的相關性,往往都會導致星載gps定軌中的法矩陣的病態性。
  18. In this paper, i emphasize the key technology in the aircraft ' s real - time positioning - the method to fix the integer ambiguity of gps carrier phase

    本文著重研究機載gps精密定位系統的關鍵技術? ?確定載波相位整周模糊度的方法。
  19. Shapes of pulse envelope are found to have some effect on the degree of phase influences. dependence of single - cycle pulse ( scp ) energy on the carrier phase has been studied for gaussian, lorentzian, hyperbolic secant and sine shapes respectively, which shows that these energies can be expressed in the same form. phase effect on pulse with gaussian envelope is the first to show, then are hyperbolic secant and lorentzian pulses, and sine the last

    包絡對載波相位的作用范圍也是有一定影響的,我們對高斯、洛侖茲、雙曲正割和sinc四種不同包絡的脈沖,研究了單周期脈沖能量隨載波相位的變化規律,發現以上四種脈沖的歸一化能量均可在形式上用同一表達式表示,並發現對于這四種不同包絡的脈沖,高斯脈沖相位的作用最早體現出來,然後是雙曲正割和洛侖茲脈沖, sinc脈沖最遲。
  20. Analysis of gps multi - frequency carrier phase combinations

    多頻相位組合觀測值的定位精度分析
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