相位差測量 的英文怎麼說

中文拼音 [xiāngwèichācèliáng]
相位差測量 英文
phase difference measurement
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 相位 : phase position; phase
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Magnetoelectric phase difference torque measuring instrument

    磁電相位差式轉矩測量儀
  2. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  3. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長（頻率）測量精度等因素的影響，文中，在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。
  4. 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。
  5. 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。
  6. Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system

    因而干涉儀系統達到高精度的基礎是：頻率及頻差穩定的雙頻激光源、穩定的等效腔長；測量光與參考光合光後有很高同軸度的光路結構；能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。
  7. Measuring method for phase difference based on digital analysis

    一種基於數字分析的相位差測量方法
  8. A phase difference measuring meter based on cpld

    的相位差測量儀
  9. It is proved by computer simulation that the rms error of this new arithmetic is just almost 1 / 5 of that using the mean arithmetic

    通過計算機模擬計算，表明新演算法的微波相位差測量結果的均方根誤差，近似只有平均演算法的1 / 5 。
  10. The new system uses short base - line to avoid the long base - line phase illegibility to get the signal arrive angle with higher precision, then use the phase differences without illegibility and the arriving angle to detected the emitter ' s range

    該系統首先通過短基線測角，去除長基線接收機相位模糊，進而獲得更高精度的波達角度；然後通過無模糊的相位差側量值和波達角度估計值確定信號源與觀測站之間的距離。
  11. 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。
  12. Design of numeral type phase difference measurement instrument

    數字式工頻電壓相位差測量儀的設計
  13. A virtual phase difference meter is developed based on the principle of phase difference measurement of phase - locked loop, and the main requirements for data acquisition device are given

    發了一種基於鎖相環的相位測量原理而設計的虛擬相位差測量儀，並給出了該系統對數據採集設備的主要要求。
  14. Phase difference measuring instrument based on fpga technology

    在數字相位差測量儀中的應用
  15. Phase difference measuring system based on virtual instrument

    基於虛擬儀器的相位差測量系統
  16. The experimental results that the phase difference accuracy is less than 0. 01 degree, which can meet the requirement of industrial fields

    實驗結果表明，採用這種方法后，其相位差測量準確度小於0 . 01 ，完全可以滿足目前工業現場對相位差測量的要求。
  17. Design on the digital instrument of frequency and phase difference

    數字式頻率相位差測量儀的設計
  18. A digital tester for phase difference

    數字式相位差測量儀
  19. Implementation of measuring the difference of phase based on bayesian estimation

    基於貝葉斯頻譜估計的相位差測量及實現
  20. But the power ' s error makes the error of microwave ' s phase shift

    由於功率測量結果必定存在偶然誤差，會導致微波相位差測量結果不精確。
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