phase unwrapping 中文意思是什麼
phase unwrapping
解釋
相位展開- 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，...
- unwrapping : 展開
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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。 -
The software has realized the techniques presented before and has other functions, such as the simulation of a disk under diametral compression, various error analysis, phase unwrapping, real - time display of image information, and so on
附加功能還有對徑壓縮圓盤理論模擬模擬、各種誤差分析、相位去包裹和圖像信息實時顯示等，它為今後進一步開發奠定基礎。 -
3 ) for weak noise interferogram or filtered interferogram, dyadic wavelet can be used to detect fringe edges. a gvf snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4 ) phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map
4 ）對于低噪聲情況下或濾波后的干涉條紋圖，在基於邊緣檢測的相位解纏過程中，利用snake模型可以高效準確的實現邊緣點的連接，所連接的邊緣線與干涉條紋很好的吻合，可將連線的精度控制在三個像元。 -
A region growing phase unwrapping algorithm based on local frequency estimation for interferometric sar
一種局部頻率估計的區域生長相位展開方法 -
After the algorithms of phase unwrapping is studied, a new phase unwrapping method with flexible marking points is proposed. thus, the effects of noise, height mutation and also shadow can be avoided
研究了相位展開演算法，提出了基於邊緣檢測的柔性多標記點解相方法，克服了傳統解相方法在遇到噪聲時的不足之處，初步解決了高度突變、陰影對相位展開的影響。 -
Application of temporal phase unwrapping method in phase measurement profilometry
基於時間相位展開演算法的相位測量輪廓術 -
Analysis of the method about phase unwrapping of multi - baseline insar
多基線相位解纏方法分析。 -
2. research on the method about phase unwrapping of single - baseline insar and improvement
單基線相位解纏方法研究，並對常用演算法進行改進。 -
Finally, we suggest the future experiments in filtering and phase unwrapping according to the simulation results
最後，根據實驗模擬結果對濾波和相位解纏中存在的問題提出了進行下一步研究的建議。 -
After many years of development, various methods of phase unwrapping has been created, each having its advantages and disadvantages as well
經過多年的研究發展，相位解纏演算法多種多樣，各有優點和缺點。 -
This thesis, with the distributed space - borne insar height measuring system as its background technology, is mainly about the systematic research the phase unwrapping, a key step in data processing of insar, especially the method of it on multi - baseline condition
本文以分散式星載insar測高系統為背景，系統地研究insar數據處理中的相位解纏這一關鍵步驟，分析在多基線情況下的相位解纏方法。 -
On the basis of the chavacteristic that the interferometric fringes have minimum gradient in the tangent direction, this paper employs the spin filtering with curved windows along the fringe tangent direction for interferometric phase images, and its feasibility and efficiency in keeping the fringe information, suppression the noise and improving the unwrapping precision are proved through comparing the different filtering methods and the corresponding phase unwrapping results
文中根據干涉條紋在切線方向變化最小的特點，利用沿切線方向的曲線窗口對干涉相位圖進行旋濾波降噪，並通過對比不同的濾波結果及相應相位解纏結果，證明了旋濾波在保持條紋結構信息，消除噪聲和提高相位解纏精度應用中的可行性和有效性。 -
Chapter four illustrates the problems of two dimensional phase unwrapping of single and multi - baseline, and again proves the importance of filtering in improving the quality of interferometric phase images and the unwrapping result through comparing the corresponding noisy and filtering phase unwrapping results
第四章研究了單、多基線二維相位解纏問題，通過濾波前後干涉相位圖的解纏結果對比和精度分析，再次證明了濾波對于提高幹涉相位圖質量和改善相位解纏結果的重要性。 -
In accordance with the phase - shift miscalibration and detector nonlinearity, the error - compensating phase - shifting algorithms based averaging technique are proposed. and in order to solve the problems brought by traditional linearity scanning unwrapping algorithm, which leads to incorrect phase unwrapping, a correlative region algorithm for phase unwrapping is developed
針對相移器的相移不準給相位求解帶來的誤差，提出採用基於平均技術的誤差補償移相演算法；針對傳統線掃描位相去包絡演算法不能對含有較大噪聲的位相圖進行正確去包絡的問題，提出了區域相關位相去包絡演算法。 -
The speed of phase unwrapping is increased greatly because the ordered queue in this algorithm is developed by using look - up operation instead of sorting operation
在相位展開過程中，通過查表將相位待展開的點放到一個虛擬隊列（等同於洪水演算法中的有序隊列）中，再進行相位展開。 -
Finally, a new 3d surface ranging method based on a digital fringe projection and shifting technique is systematically studied and non - linear rectification algorithms which reduce measurement error is proposed. at the same time, the noise - immune phase unwrapping algorithm is deeply studied and a new algorithm for phase unwrapping of phase map is proposed. experiment make known the algorithm can reduce measurement error, bypass the noise points automatically, solve the problem of the shade sheltering or cavity, overcome the error propagation problem and better results have been obtained
論文最後系統研究了基於數字相移條紋投影曲面三維測量方法，創造性地提出了一種減小測量誤差的非線性校正演算法，取得了預期的效果；同時對相位去包裹演算法進行了較深入研究，提出了一種噪聲圖像相位去包裹方法；實驗表明該方法能減小非線性測量誤差，自動避開噪聲點和間斷點，獲得了滿意的結果。 -
Quality guided phase unwrapping for fringe projection profilometry
條紋投影形貌測量的品質評估位相展開 -
At the same time, the phase unwrapping problem is very difficult i
同時，單基線insas的相位展開問題非常困難。 -
A new phase unwrapping algorithm based on flagging poles and blocklines is proposed in this paper
本文提出了一種基於極點與截斷線的位相展開新演算法。 -
In the article, we mainly study the phase - shifting technique and the phase unwrapping technique
文中對相移技術和相位去包絡技術做了深入的探討和研究。
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