interference fringe 中文意思是什麼

interference fringe 解釋
干擾帶
  • interference : n. 1. 沖突,抵觸。2. 干涉,干預。3. 妨礙,打擾,阻礙物。4. 【物理學】干擾;干涉。
  • fringe : n 1 (地毯等的)穗,須邊,流蘇;緣飾。2 (森林等最外面的)邊緣;〈比喻〉(知識等的)初步,皮毛。3...
  1. Achromatic interference fringe

    消色差干涉條紋
  2. Secondly, the steps of the glass ' s image processing are discussed in detail. based on the experiments and the characteristics of interference fringe, we pre - process the images with median filter and image segmentation with dynamic threshold. after marking and thinning the resulted fringes, we analyze linearly the unifor mity of product ' s samples with the characteristics of the framework

    然後,結合檢測系統中玻璃干涉圖像處理的任務,詳細介紹了處理的各個步驟:通過實驗比較,並結合干涉條紋圖像的特點,選擇中值濾波、動態閾值分割等技術對圖像進行預處理;然後對獲得的二值條紋進行標記、細化,提取條紋骨架;最後,用骨架的特徵進行線性分析,識別條紋的類型,判斷玻璃樣品的均勻性。
  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. On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed

    本論文根據實際研製的激光測振儀系統,從提高激光測振儀精度的角度出發介紹了激光測振儀的原理,並詳細地剖析了光路對測振儀干涉條紋對比度的影響、光電轉換對測量精度的影響、光電信號的濾波放大以及外界振動對測振儀系統的影響等技術問題。
  5. An analysis of the position of interference fringe in the experiment of newton ' s ring

    對牛頓環實驗中干涉條紋位置的分析
  6. 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。
  7. In its measurement, the interference fringe should be tracked and counted. to avoid its disadvantage, a novel method of length measurement based on two sphere waves ’ interference is been introduced

    為了避免其需要對條紋進行跟蹤計數的缺點,提出了基於兩球面波干涉的長度和距離測量方法,並進行了理論分析和模擬。
  8. The fourth chapter mainly introduces fringe center method of speckle image. a way which can double interference fringe is introduced here, and it can improve the precision of measurement. the principle of the filter in big curve window is described in detail ; it gives a detail description of its steps to realize it

    第四章主要介紹了散斑圖像處理的條文中心處理方法? ?條紋倍增的處理方法,它可以使散斑圖像的條紋增加一倍,相對提高了測量的精度,隨后詳細介紹了曲線大窗口濾波的原理以及實現該方法的主要步驟,同時討論了處理過程中的注意事項,並跟其他濾波方式做了比較。
  9. In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution

    為了詳細研究試件的熱變形特徵以及殘余應力的影響作用,本文在波前干涉理論的基礎上,設計了一新型三維光學測試系統,該系統的平面位移測試基於雲紋干涉方法,但採用與普通雲紋干涉不同的光路系統,利用試件光柵和平面反射鏡組形成的兩次衍射,使平面位移干涉條紋倍增,測量靈敏度是普通雲紋干涉的2倍,系統的離面位移場測試採用泰曼格林干涉光路。
  10. In this paper, we summarize the present testing level of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, curtly introduce the method for interference fringe processing and image processing by matlab

    本文對目前國內外的光學非球面的測量現狀作了概略的敘述,給出了激光波長掃描干涉測試方法的原理,對波長可調諧的激光光源進行了分析,對激光器波長的變化進行了研究,對實驗裝置進行了初步的設計,對干涉條紋圖處理方法進行了研究,並通過編寫matlab軟體語言對干涉圖進行了數字化處理。
  11. In this paper, we summarize the present testing status of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, and curtly introduce the method and principle for interference fringe processing

    本文對目前國內外的光學非球面的測量現狀作了概略的敘述,給出了激光波長掃描干涉測試方法的原理,對波長可調諧的激光光源進行了分析,對激光器波長的變化進行了研究,對實驗裝置進行了初步的設計,並對干涉條紋圖處理的方法和原理進行了簡單的介紹。
  12. The intensity distribution on a screen from dark to bright to dark again is called an interference fringe.

    屏幕上的強度分佈,從暗到亮再到暗,叫做一條干涉條紋。
  13. The nested coordinate systems are used to analyze the optical f - p periodic interference fringe

    摘要採用坐標系統嵌套的概念,對光學f - p周期變化干涉條紋進行分析。
  14. According to the different require of the phase mask, the holographic recording method for the design of linearly chirped phase mask is studied in this paper. the fringe formed by the interference of two spherical waves, whose density varies linearly with space, is used to record the chirped phase mask. the two design schemes proposed in this paper are analyzed and compared, and the experimental results are given

    根據光纖光柵掩模的不同要求,研究討論了用全息干涉方法製作線性啁啾位相掩模的設計方法,提出用兩球面波干涉產生條紋密度隨空間距離線性變化的干涉條紋記錄啁啾位相光柵,分析比較了文中給出的兩種設計方案,給出了實驗驗證結果,並且製作了線性啁啾光刻膠掩模。
  15. The binarization, dilation and thinning of interference pattern are stressed. computing the excursion of interference pattern based on fourier transform is based on the fact that interference pattern has different phase at different position, the signal extraction of interference pattern and phase unwrapping algorithm are mainly discussed. computing the excursion of the interference pattern based on the interference pattern intensity distribution is to position the fringe according to the intensity distribution characteristic

    基於圖像處理計算干涉條紋漂移量,目的是抽取干涉條紋的骨架,通過條紋骨架的定位實現對條紋的定位,重點討論了條紋圖像的二值化、膨脹和細化;基於傅里葉變換計算干涉條紋的漂移量,是基於條紋不同位置處的相位不同這一事實,重點討論了干涉條紋信號的提取和干涉條紋相位去包裹演算法;基於條紋亮度分佈計算條紋漂移量,是根據條紋自身亮度分佈的特點對條紋進行定位。
  16. ( 4 ) under the new environment, realize planar photo elastic stress analysis. based on this, it is easy to realize spatial photo elastic stress analysis. ( 5 ) under the new environment, realize interference fringe image preprocessing

    ( 4 )在新的軟體編程環境下,具體編寫及實現了一套二維光彈應力自動分析程序,為三維光彈應力自動分析程序的編寫奠定了基礎。
  17. In chapter three, the importance of maintaining the equal optical path between measuring beam and reference beam in measuring horizontal and vertical vibration table are analyzed, and the factors having effect on contrast degree of interference fringe are introduced. for improving the accuracy of laser - vibration - measuring - system, the phase - modulation - multi - period - average method and the vibration isolated of system are analyzed

    第三章分析了光路設計中的等光程問題的重要性,以及影響干涉條紋對比度的相關因素;並從提高測量精度的角度分析了調相多周期平均法和系統的隔振。
  18. To linear ccd, the posit ion of fringe is according to the intensity distribution of interference pattern, too. local fitting method is applied when position the fringe because of the high noise

    對于線陣ccd ,同樣是根據條紋自身亮度分佈的特點對條紋進行定位,由於噪聲較大,在對條紋進行定位時,採取了對條紋數據局部擬合的方法。
  19. First, the direction of fringe variation in the interference images is different with different intake duct, but in the same intake duct, the direction is the same. second, different intake duct has different rules to flow variation. third, the infinite width of interference fringe is visual, high precision, and easy to qualitative analysis, but the finite width of interference fringe is easy to judge the direction of fringe variation and to further detailed analysis

    實驗結果表明,氣道不同,條紋的變化方向不同,但同一氣道在不同的流量下,條紋的變化方向是一致的;不同形狀的氣道對流量的敏感程度不同,對氣體旋流的擴散作用影響也有很大的差異;用無限寬條紋法得到的圖像直觀,靈敏度大,易於做定性的分析對比,而有限寬條紋法可以進行流體在運動方向的判別,更有利於詳細的分析研究。
  20. ( 2 ) in interference fringe image processing, propose a new method of skeleton extracting

    ( 2 )提出一種通過改進的canny運算元自動提取全場條紋中心線位置的方法。
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