解卷積 的英文怎麼說

中文拼音 [jiějuǎn]
解卷積 英文
deconvolution
  • : 解動詞(解送) send under guard
  • : 卷動詞[書面語] (捲袖子) roll up sleeves
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  1. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性增強、模型提取等一系列遙感譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新譯出了9條近東西向的斷裂。
  2. The original infomax is only applied in the instantaneous mixture and in the single channel blind deconvolution. this thesis applies the idea to blind sources separation in multiple channel convolutive mixture. through simulation, we can show that the algorithm has good performance

    Infomax演算法適用於瞬時混合情況下的盲分離和單通道盲解卷積問題,本文將infomax演算法推廣到多通道混合,對演算法進行模擬,取得了不錯的效果。
  3. Finally, this chapter emphasizes the importance of auxiliary processing in sar imaging, indicates that autofocusing is essentially a problem of blind deconvolution, and that speckle reduction is a problem of imagery restoration. no additional assumption and limitation, the inverse problem on autofocusing or speckle reduction can not be solution

    同時,介紹了sar圖像自聚焦和相干斑抑制處理及其發展現狀,指出自聚焦過程實際上是一個盲解卷積問題,而相干斑抑制是一個圖像復原問題,對這類逆問題的求需要附加假設或限定。
  4. Based on the ( 3, 1, 5 ) convolution code in digital trunking system, this paper first studied the decoding depth of the convolution code and fund out the right decoding depth for digital trunking system, then proposed a modified viterbi decoding algorithm

    本文以數字集群中所用的( 3 , 1 , 5 )碼為基礎,首先對碼的碼深度進行了研究,得出適合數字集群系統的碼深度,然後提出了一種碼的viterbi譯碼的改進演算法。
  5. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論;然後完成了包括數據格式,調制方式,糾錯碼方式,交織器和擾碼器等部分的中頻數據機通道設計;接著著重介紹了系統中使用的音頻壓縮演算法cvsd (連續可變斜率增量調制)的原理和實現,以及作為前向糾錯碼的碼編碼理論和編碼的高效實現。
  6. In channel decoding, crc and interleave are reversible in mathematics. the decoding of rcpc is using viterbi decoding after filling the deleted bits ’ position with zero

    在通道碼過程中, crc和交織在數學上都是可逆的, rcpc的譯碼是先將刪除的位置補零之後再對碼使用viterbi譯碼。
  7. 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析度,三角形窗有較好的密度析度,選擇餘弦窗則使得空間析度與密度析度的折衷;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。
  8. The narrow fan - beams are reset into parallel beam then the image reconstruction is conducted by parallel beam " convolution back projection algorithm, which combines the high scan efficiency with the convenience of image reconstruction. this paper analyses the parallelism in narrow fan - beam " convolution back projection algorithm, divides the task of image reconstruction into several subtasks, and discusses the parallelization of narrow fan - beam " decomposition and reset, parallel beam " convolution back projection, and image accumulation

    對于窄角扇束掃描方式,把窄角扇束重排成平行束,再由平行束反投影重建演算法來重建圖像,是把掃描的高效率和重建方式的簡便易行很好的結合起來。本論文對窄角扇束反投影演算法進行了并行性分析,指出把圖像重建任務分為多個子任務并行工作,並在工作站機群上討論了窄角扇束的分、重排、平行束反投影圖像重建、圖像合成的并行實現。
  9. The circuit to fulfill the byte processing function includes all parts between the modules on convolutional decoding and transfer stream de - multiplexing, consisting of the modules on data de - interleaving, rs decoding, data de - scrambling and format transforming

    完成位元組處理功能的電路包括從碼輸出後到傳輸流復用的所有部分,由交織、 rs碼、擾碼和格式轉換等模塊組成。
  10. A method for determining the interval of convolution integrating by use of the graphic partition is given in this paper, and the application and promotion of this method are exemplified

    摘要本文給出了利用圖分段確定分區間的一種方法,並舉例說明了其應用及推廣。
  11. According to this derivation, a bi - linear optical system could be decomposed into a set of convolution kernels, which could then be convoluted with input pattern, and the resulting set of convolution fields could be superimposed to yield an intensity field

    在這里提出了一種基於核的快速稀疏空間光強的光刻模擬計算方法。一個雙線性光學系統分成為一組空間域核,並通過對版圖的空間域來計算空間光強。
  12. By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified

    利用小波變換作時域內的解卷積計算,分析了結構在沖擊載荷作用下的彈性波的散射特性,結合非線性優化方法實現了載荷沖擊位置的識別。
  13. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反問題,給出一種時變系統處理模型。
  14. In recent decades, people have made a research in single channel deconvolution problems, for example, the traits, fast algorithm of deconvolution results and process for error. they proposed many methods, such as inverse filter algorithm, z transform algorithm, dfs algorithm, l2 algorithm, recursion algorithm

    幾十年來,人們對單通道信號反演問題如反的性質、的快速演算法及對誤差的處理等進行了深入的研究,並取得了不少的成就,如逆濾波法、 z變換法、遞歸法、 dfs法、最小平方法等。
  15. An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors

    在ccos控制模型及理論計算方面,提出了一種適用於高次離軸非球面最接近球面計算的優化演算法,經計算,某矩形離軸非球面最接近球面半徑的求精度較傳統的「三點法」有了較大的提高,理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ;提出一種基於磨頭與工件的相對位移量的控制模型,並且開發了阻尼迭代演算法,引入「虛擬加工」的概念進行迭代求和參數評價。
  16. Firstly, in the paper a family of integral solution representing ultrashort pulsed beam propagating in free space have been studied by using the co - moving frame coordinates and the fourier transformation for time variable in terms of well - known paraxial approximation. and the pulsed gaussian - like beam solution can be obtained as a especial solution of the integral solution, where including the pulsed gaussian beam

    首先利用傅立葉變換和惠更斯-菲涅爾衍射分公式,我們給出了傍軸標量場近似下超短脈沖光束傳輸的基本,並進一步得到了用形式表示的脈沖類gauss光束( pulsedgaussian - likebeam )的普遍形式
  17. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分,從而將土體動力平衡方程耦,求得到了土層的振動模態和阻抗因子,然後利用該以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求樁的動力平衡方程,得到了樁頂的頻域響應、復剛度和速度導納,利用定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半
  18. The whole paper had been divided into four parts : the first part introduces the general situation of digital trunking system and its channel encoding, the recent development of viterbi decoding ; the second part studies the error control scheme, and the convolution decoding depth which is most fit to digital trunking system ; the third part introduces several low power viterbi decoder and its principle ; the last part proposes a united - decision estimating viterbi decoding algorithm

    本文共分為四部分,第一部分介紹了數字集群及其通道編碼的總體情況, viterbi譯碼的發展現狀。第二部分給出了數字集群系統中話音通道差錯控制總體方案,並研究了適合數字集群系統的碼的碼深度。第三部分簡單介紹了各種低功率viterbi譯碼器及原理。
  19. The implementation of the convolutional code is also discussed in this paper. finally, the flow chart of the algorithms of the system is described

    最後,在介紹了差錯控制編碼的原理后討論了如何實現碼的編碼演算法。
  20. Second, this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate, 4 states punctured convolutional code with 8psk modulation, matching block interleave or random interleave, transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver. design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare

    為了驗證bicm和bicm _ id在衰落通道和加性高斯白噪聲通道( awgn )下的性能,設計了一個2 / 3碼率, 4狀態的鑿孔碼經過塊交織或隨機交織,與8psk調制相結合,在rayleigh通道下或awgn通道下傳輸,接收端採用相干調與維特比譯碼相結合的bicm方案,在接收端引入迭代反饋譯碼的bicm _ id方案,以及與之相比較的tcm方案。
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