reconstruction time 中文意思是什麼

reconstruction time 解釋
重建時間
  • reconstruction : n. 1. 重建；改造；復興。2. 〈美國〉南北戰爭后南部各州的重建。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. On the basis of investigation and research about the technology of reconstruction for ict image up - to - date, this paper is devoted to develop an algorithm for image reconstruction based on wavelet theory. in this paper, time - frequency distribution for spatially varying filter was used to construct convolve - kernel by dwt, to modify convolve - back - projection algorithm

    本文在國內外有關ct圖像重建的研究狀況基礎上，根據小波分析理論，利用小波變換在時頻空間的可變性，用dwt變換構造卷積核，對卷積反投影演算法做了改進。
  2. Secondly, in order to make a deep analysis of c2 system structure, the author made the fire cell and aerial command control centre into the c2 organization nodes, then import into the information flow to analyze the c2 organization network, through which the author constructed a linear programming model to analyze the time consumption of c2 organization. based on object petri network ( opn ), the author also analyzed the c2 organization reconstruction process

    其次，為了深入分析c2系統結構，將火力單元和區域指控中心作為c2組織節點，引入信息流因素對支持網路化作戰的c2組織網路進行了建模分析，以c2組織的時效性作為目標函數提出了c2組織的一種設計模型，並研究了通過對象petri網對防空網路化作戰中的c2組織動態重組的建模方法。
  3. The dna - based identification of ecologically important hydropsychids larvae was primarily studied. the role of co i gene and its fragments on phylogenetic reconstruction of four lepidostomatids were discussed. larvae of all reared species and goera ramose were described for the first time except for apsilochorema hwangi

    具鈞豎毛螯石蛾成蟲、蛹與幼蟲間的核酸歧異度均為1 ，而具鉤豎毛螯石蛾成蟲、蛹、幼蟲與黃氏豎毛螯石蛾成蟲間的核酸歧異度為13 。
  4. By the time arthur left i was in the midst of a major reconstruction of the d research section.

    到阿瑟離開的時候，我正在對D處研究科進行大整頓。
  5. For phase space reconstruction of ship - radiated noise, using auto correlation function and mutual information to select the delay - time, and using false nearest neighbors method to select the embedding dimension

    從自相關函數及互信息嫡兩個方面討論了相空間重構中延遲時間的選擇。
  6. Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms

    首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。
  7. The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate

    討論了用於重構圖象的五種演算法，包括簡單的可進行實時處理的相關合成法，可以在缺乏相位信息時使用的包絡處理法，可以降低采樣率、減少運算量、存儲量的正交處理法，可以提高聲納運行速度，從而提高成象率的寬帶處理法和ctfm法等五種演算法。
  8. Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information

    第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。
  9. The method of compressing bandwidth of fringe function is proposed that basis fringe contains discrete spectrum which is based on human vision for real - time display, we also introduce discusses the spatial light modulators ( slms ) based on display system of digital holography and theory of numerical reconstruction of digital holography

    為了達到實時性要求，在滿足人眼視覺的光信息量基礎上，對帶寬壓縮的理論問題進行了研究，提出了基於離散頻譜的帶寬壓縮演算法，並給出了結果。
  10. Based on reconstruction of phase space of dynamical system, we research the divinable capability of time series from the point of view of nonlinear dynamics by constructing recurrence plot

    在動力系統的相空間重構基礎上，通過構造遞歸圖，從非線性動力學的角度研究了時間序列的可預測性。
  11. Objective : to establish a rat model of orthotopic gastric isotransplantation by using microsurgical techniques. methods : 70 sd rats were used in our experiment and 35 gastric trasplantations were carried out. in the donor ' s operation : after the spleen was resected and the proper liver artery was ligated, the stomach was perfused through the abdominal aorta. then the stomach was resected with its peripheral blood vessels including celiac trunk and the portal vein, etc. in the recipient operation : after the stomach and the spleen were reseeted, the implantation was performed by the following sequence : the end - to - side anastomosis between the portal veins. the end - to - end anastomosis between the celiac trunk and the left gastric artery. open the blood flow to observe the effect of the blood supply of the stomach. the end - to - end anastomosis between the duodenum. the end - to - end anastomosis between the cardiac and the esophagus. results : 35transplantations were carried out in which the operation success rate in the last 20 cases was 80 ( 16 / 20 ). the average operation time was 2. 35 h. the longest survival time was over three months. conclusions : the model of orthotopic gastric transplantation in rat was successfully established. it could be used to study the transplanted stomach in the abdominal multiviseeral transplantation and the reconstruction after the total gastrectomy

    目的應用顯微外科技術，建立大鼠原位異體胃移植模型.方法70隻sd大鼠，行35例次的胃移值手術.供體手術，先切除脾臟，經腹主動脈行原位胃冷灌洗.將胃及其所屬血管，包括腹腔乾和門靜脈乾等一併切取.受體手術，先切除胃和脾臟，分別行供、受體間門靜脈的端側吻合，供體腹腔干與受體胃左動脈的端端吻合，然後開放血流.再行供體和受體十二指腸間端端吻合，賁門與食管端端吻合.結果在施行的35例手術，后20例中有16例成功，成功率為80 .最長存活者達3個月.結論成功地建立了大鼠原位異體胃移植類型.該模型可用於腹部多臟器移植中移植胃的相關研究及全胃切除術後代胃的研究
  12. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  13. At the same time, we also have to carry out reconstruction and rehabilitation activities for people to lead a normal life

    與此同時，我們也將執行重建家園和恢復健康的計劃，使民眾過上正常的生活。
  14. It analyses the principle and methods of waveform reconstruction of the data acquisition module under double a / d parallel time - interleaved real - time sampling mode and random sampling mode. it also illustrates the flow of the monitoring software and the application of fpga technology in this design

    主要分析了雙a / d分相數字化實時采樣方式下和等效時間隨機采樣方式下採集模塊的工作原理及波形重建的方法，並簡單介紹了監控軟體流程及fpga在本設計中的應用。
  15. A new model is given by analyzing the different decomposition parts of the time series. the model called time series decomposition and reconstruction model is based on wavelet analysis. also, a new method of forecasting with wavelets is proposed

    針對經濟時間序列的特點，研究了時間序列在小波變換下的不同分解成分，提出了基於小波分析的時間序列分解及重構模型；在此基礎上，給出了小波預測方法。
  16. With computer techniques we not only use more skull feature points to minimize subjective fault, but also shorten reconstruction time greatly, we need not make much modification to produce enough facial images according with skull to get high recognition rate

    採用計算機技術不僅可以利用更多顱骨的人類學特徵點數據，減少主觀因素帶來的偏差，而且可以大大縮短復原時間，無須對面部器官做太大變動就可產生符合原來顱骨的多幅面部圖像，提高認證率。
  17. The records of these patients were analyzed for details regarding the neoplasms and the treatment thereof, details of the free vascularized fibular graft reconstruction, time to osseous union, functional outcome, and clinical outcome

    這些病倒從腫瘤確診及之後的治療、帶蒂游離腓骨移植重建、骨愈合的時間、功能結果及臨床結果的細節來分析。
  18. With the mean of range block, the compression ratio is improved, the coding time and reconstruction time are decreased. then we discuss the relations among range blocks covariance, contrast scaling s and mse

    採用值域塊均值作為分形編碼的參數可加快分形編碼的速度，提高壓縮比和加快分形圖像壓縮解碼的收斂速度。
  19. Experimental results show that the new hybrid image reconstruction algorithm is effective. the image reconstruction time for one image is 0. 08 second when the image area is divided into 54 pixels and the iterative times of sirt are 10

    實際計算表明新演算法的實時性較為理想，在將截面劃分成54個像素， sirt迭代10次的情況下進行一次成像所用的時間為0
  20. The real - time obtainment of the components of projection matrix and the substitution of constant step for optimal step in the one - dimension search in conjugate gradient were adopted to ensure the equality of reconstructed image from incomplete projections and shorten the reconstruction time simultaneously

    通過即時獲取投影矩陣分量，以固定步長替代共軛梯度法中一維搜索最優迭代步長，在確保品質的同時縮短重建時間。
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