相位干涉法 的英文怎麼說

中文拼音 [xiāngwèigānshèfǎ]
相位干涉法 英文
phase interference method
  • 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...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 涉 : Ⅰ動詞1 （徒步過水 泛指從水上經過; 渡） wade; ford 2 （經歷） go through ; experience 3 （牽涉） i...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 相位 : phase position; phase
  1. Analysis the cause of channel disaccord of gain and phase, give four methods of gain and phase calibration, computer simulation illustrate the that the methods are effective. in the chapter 4, the basic relation of phase interferometer of one dimension, two dimensions, and the measurement accuracy and the approach of solving the phase ambiguity in the phase interferometers have been discussed in detail

    第四章對相位干涉儀進行了較為詳細和系統的研究，給出一維相位干涉儀的基本關系式，分析了五通道相位干涉儀測向定位演算法及其性能指標，對解相位模糊問題進行了探討，在ccss中模擬了測向演算法，模擬結果證明了演算法的正確性。
  2. Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer

    本文在分析了國內外不同干涉顯微系統的基礎上，根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋掃描方式實時檢測波面位相的激光干涉顯微系統，提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路，然後介紹了條紋掃描波面位相實時檢測技術以及四步移相法，並在此基礎上完成了光學系統及相關的機械結構。
  3. 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。
  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. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數，我們借鑒isar的技術，通過較長時間的相干積累，在多普勒頻域上對目標進行分辨。而對于編隊目標，可分為近似剛性的多目標和非剛性的多目標，所以對于可以近似為剛體的編隊目標相對位置固定，運動方式一致，可以近似看作一個大目標，採用最小墑準則對平動相位的進行補償，但是大多數並不滿足剛體近似的編隊目標，由於目標在相干積累時間的多普勒頻率近似呈線性變化，通過對較短數據利用relax的時頻分析方法，提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間，所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨，對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  6. In this paper, a single - frame fringe analysis method is presented, in which subdivided fringe is modeled by linear phase and the coefficients are extracted by complex wavelet transform ( cwt )

    摘要本文提出了利用復數小波變換對干涉圖象相位進行分塊線性擬合的一種新穎的單幀干涉圖象分析方法。
  7. After that, algorithms about the analysis of interferogram were realized in matlab. the related program analyzes the interferogram, and gives the three dimension profile of sample surface

    建立了干涉圖像的採集、位相計算、消跳變處理和波面擬合的相關演算法，並用軟體實現了這些演算法。
  8. Phase measurement methods in optical interferometry

    光學干涉計量中的位相測量方法
  9. We build a close vibration compensation system which can successfully achieve the measurement of interference fringes movement and - vibration compensation. it puts forward pre - setting fill - in pulses method to implement phase shifting with the same pzt. with this new method, the interference fringe can be stabilized at any pre - setting phase position

    提出了填充脈沖數預設定的方法，可以將干涉條紋鎖定在任意設定的位相位置，實現了用pzt同時實現振動補償和移相測量；深入分析討論了pzt的延遲問題，創造性地提出了用多次逼近補償的辦法，給出了反饋補償的演算法，解決了補償過程中存在的系統不穩定和過補償的問題。
  10. In angle measuring, an antenna configuration and interferometer ambiguity - resolving algorithm are proposed, and to eliminate the error caused by carrier phase error, a correction method is introduced, through which all ambiguity - resolving error can be recognized and he corrected even when the error probability is up to 0. 42

    在測角中，提出了一種干涉儀天線陣結構和干涉儀解模糊演算法，針對通道載波相位誤差可能引起的解模糊錯誤，又提出了一種糾正方法，模擬顯示，在發生解模糊錯誤的概率高達0 . 42的情況下，該方法仍然可以識別並糾正所有解模糊錯誤。
  11. However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences

    干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系，即干涉相位差，方位角或仰角是直接由干涉相位差計算得到，或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓（電流）分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈，模擬顯示出來波方位，干涉儀測向為典型的相位測向方法。
  12. 7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented

    七、採用已建立的空間相位調制環路徑向剪切干涉儀及其波前重建演算法，和位相調制持性已知的兩塊液晶空間光調制器，創建了一套用於模擬產生任意畸變波前並加以檢測和反饋控制的自適應光學硬體系統，並通過臺階波前對該系統實現了像素級校準。
  13. The position errors are measured by two dimension single - frequency laser interferometer, the pitch and yaw errors are tested using phase shifting interferometer with a resolution of 0. 1nm, the linearity along motion axis is investigated by autocollimator with 0. 01 " uncertainty

    利用單頻激光干涉儀測試其運動定位誤差特性，相位偏移干涉法測試運動轉角誤差，光電自準儀測試其運動偏擺誤差。
  14. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技術進行了研究：掌握了鈦寶石激光器的調節和維護技術，較深入地研究了飛秒激光脈沖產生的機理，其中對群速色散、自相位調制、自鎖模等問題進行了詳盡的分析；總結了超短激光脈沖的測量技術，重點研究了干涉自相關測量法；在總結展寬器類型的基礎上，對無象差展寬器進行了理論計算、優化設計，提高了展寬倍數；深入論述了脈沖列的選單問題，熟練掌握了脈沖選單技術。
  15. " misalignment error ", which is caused by misalignment during null test adjustment, together with fabrication errors is shown in test results, and it is important to separate these two errors so that the test results can be used in ccos process. asic software is developed for eliminating nonlinear error and separating misalignment error, and a high accuracy, suitable format data file is generated by asic for further analysis for ccos process

    在非球面測量技術方面，主要針對零位補償檢驗過程中測量坐標的「非線性誤差」的形成原因及其補償演算法由光學調整量引起的測量誤差以及調整量誤差的擬和方法等問題進行了討論，並編制了相應的干涉檢驗數據處理軟體asic ，干涉檢驗結果經分析、處理后能夠滿足ccos的技術要求並指導加工。
  16. In this paper, we analyzed the modulation of the interference intensity of each pixel on the time sequence speckle patterns in the time domain and proposed a new phase retrieve method, time sequence phase method ( tspm ), in which the time sequence speckle interferograms are used to obtain the whole field deformation of the object

    本論文通過對序列散斑圖上各點在時間軸上散斑強度調制函數的變化進行分析，提出了一種基於時間序列的散斑干涉場的相位解調方法，進而獲得物體全場變形信息。
  17. The deviation introduced by reference phase shifting errors on four - steps and five - steps algorithm are analyzed. based on the principle of phase algorithm, a novel compensation method of reference phase - shifting error is described for four - steps algorithm and the five - steps algorithm. the theoretic analysis and data simulation indicate that the phase deviation arising from the first and the second harmonic reference phase - shifting errors can be eliminated using this method

    在研究相位偏移干涉測量技術基礎上，重點研究了五幅演算法計算精度及移相誤差對計算結果的影響；提出了四幅演算法及五幅演算法移相誤差補償方法，理論分析及模擬模擬結果顯示，該方法可以補償移相過程中一階移相誤差及二階移相誤差對相位偏移干涉測量精度的影響。
  18. ( 4 ) applications of digital holography in optical metrology are briefly discussed. we also present the fundamental principles of digital holographic interferometry and the two ways to realize it. and also the difference between digital holographic interferometry and optical holographic interferometry is considered

    （ 4 ）闡述了數字全息干涉術的基本原理和兩種實現方法，討論了其與傳統光學全息干涉術之間的聯系與區別，並根據數字全息術自身的特點，討論了諸如相位倍增因子等提高全息干涉計量精度的方法。
  19. The reasons of the appearance of phase error in the system of direction finding by phase interferometer are introduced and a method of eliminating phase error resulted in inconsistency of channels is put forward

    摘要介紹了相位干涉儀測向系統相位誤差產生的原因，針對因通道不一致性導致的相位誤差提出了一種消除方法。
  20. Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel. a primary advantage of psi is its high precision. with careful control of environmental conditions, measurement precision to the nanometer scale or below is possible with psi

    它的基本測量原理是，通過攝像系統（ ccd ）接受到的干涉圖中空間坐標已知的各個像素點的光強信號，在壓電晶體驅動參考光程有序變化時，採集到多幅干涉圖的光強信號，由移相干涉法，由光強值得到被測光程差值（位相值） 。
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