過零編碼 的英文怎麼說

中文拼音 [guòlíngbiānmǎ]
過零編碼 英文
cross axis code
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. The channel capacity achieved in our experiments was better than that of the dual homodyne coherent state, homodyne coherent state and squeezed state communication when the average photon number exceed 0. 99, 1. 11 and 2. 06 respectively. it is more interesting that we found in the experiment, that the maximum channel capacity for a single mode - fock state communication can be surpassed with our system when the average photon number exceed 11. 302

    我們實驗所得密集編碼的通道容量在光子數大於0 . 99 、 1 . 11及2 . 06時將分別超過相干態雙零差通訊通道容量、相干態零差通訊的通道容量以及壓縮態零差通訊的通道容量；最重要的是，當平均光子數（
  2. The technology of identification based on iris is researched in the article, the key point of the technology is the iris characteristic acquisition and recognition, therefore based on the iris image texture characteristic, using the wavelet transforms to get the characteristic of iris image, a new method named zero - crossing detection and secondary circle coding is used in the article

    本文研究的就是用虹膜進行身份識別的技術，該技術的關鍵是虹膜特徵提取和識別。基於虹膜圖像的紋理特徵，利用小波變換來提取虹膜圖像的特徵，本文提出了基於小波過零檢測的循環二次編碼的方法。
  3. It can perform both lossy and lossless compression, and progressive codec, by providing high compression rate and image reconstruction quality

    在研究嵌入式零樹小波編碼演算法及原理的基礎上，描述了演算法的應用過程，闡述了具體的實現思路。
  4. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  5. The design cases are stored by relational database. the similar case can be obtained from the database by direct code retrieving and similarity coefficient computing. different overwrite mechanisms are used to overwriting different case database, for example, deriver overwriting for working parts, cbr for standard parts and feature - modeling for non - standard parts

    通過對沖裁模設計過程的分析，將設計方案組織成沖裁件及對應的沖裁模實例庫，採用簡單實用的編碼法對實例進行編碼；利用關系數據庫存儲實例，直接通過對編碼的檢索和相似性系數的計算得到相似實例；採用派生改寫法改寫工作零件，基於cbr的數據庫改寫標準件，特徵造型法改寫非標準件。
  6. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上，論文提出了基於位相編碼振幅調制的畸變不變多目標識別聯合變換相關技術，即通過改變隨機位相模板的調制因子的大小來改善相關輸出的性能，一步消除了共軛相關項、輸入待識別圖像之間的互相關項，並大大降低了零級相關峰的能量和寬度。
  7. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此，為提高原始電壓信號的質量，本文採用三相六元件的信號發生方案，通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析，依據磁場分析的結論對編碼器常用的信號發生結構進行了改進，改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲，進一步提高了信號質量，此結構不僅滿足了本課題的需要，而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  8. Additionally, flexible definition based on chain and hiberarchy was proposed and corresponding coding system had been developed, which implemented auto - coding of parts through coding tree

    建立了面向大批量定製設計的柔性分類編碼體系，提出了基於鏈式與層次結構的柔性化定義，開發了相應的編碼管理系統，通過編碼樹實現了零部件的自動編碼。
  9. If capp and cam system want to use of these information about a part in cad, they have to transfer these information to proper style, and then they can recognize and use them. these years, there are many researches about how to make full use of the information in cad system and how to describe a part in other systems. during these researches, many methods about part information description have been developed, such as gt code method, language description method, knowledge description method, feature description method, and so on

    多年來，為了使capp 、 cam等后續系統能夠有效地利用cad系統中相關的零件信息，亦即對零件信息進行合理的描述，人們進行了大量的研究，提出了分類編碼法、語言描述法、知識表示描述法、基於形狀特徵或表面元素的描述法等各種方法對零件信息進行描述，但是，這些方法都需要人來對零件圖紙進行識別和分析，即需要人工來對已設計好的零件圖進行二次輸入，由於輸入過程繁瑣、費時、易出錯，因此這些信息描述方法無法滿足信息集成的要求，也不能適應集成環境下capp系統的需要。
  10. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  11. Then the exisiting algorithms on iris location are studied and the disadvantages are pointed. a new approach based on edge detection, mathematic morphology and probability statistic is put forward. after studing the means of daugman ’ s encode of iris texture and w. w. boles ’ extraction the unique features by the zero - crossings of the wavelet transform, we adopted wavelet multi - resolution analysis that extract the feature

    在研究和分析了前人的虹膜定位演算法以及daugman對虹膜紋理的編碼方法、 w . w . boles的小波過零點分析提取虹膜特徵識別演算法的基礎上，研究了基於邊緣檢測和數學形態學以及概率統計等理論的一種新的虹膜定位方法;研究了虹膜圖像的歸一化和圖像增強;研究了基於db4小波的多分辯率分析的虹膜特徵提取演算法;研究了相關系數匹配識別。
  12. To reduce the runtime of the software, fast algorithms are adopted in the motion estimation and dct modules. moreover, this paper introduces early detection of zero motion vector and all zero coefficients to optimize the coding process

    為了提高軟體運行速度，對運算時間較長的運動估計和dct模塊採用快速演算法，並對編碼過程進行優化，採用了零運動矢量和零系數提前判決的方法，節省了很大一部分塊匹配搜索和dct運算時間。
  13. It ' s reviewed for the coefficient classification of existing wavelet image encoding technologies. wavelet coefficient is clustered with gray structuring elements dilation and outputted in the form of fractional bit plane according to the different significance. zero tree structure is used to employ cross - subband dependency to promote the coding effort

    在對現有的小波編碼器對系數的分類方法的分析下，通過灰度結構元的形態學膨脹運算對小波系數進行更細的聚類分析，按照重要性的不同以分數比特平面的形式輸出系數，通過零樹結構開發帶間相關性。
  14. Such recognition algorithms the feature extraction based on a set of 2 - d gabor wavelet and computation of percentage mismatched bits hamming distance between a pair of iris representations developed by daugman, texture analysis methods developed by wildes and chinese academy of science, extraction of iris signatures by means of zero - crossing of the dyadic wavelet transform developed by boles and so on

    深入研究了多種典型識別演算法: daugman的基於2 - d復值gabor小波的虹膜相位編碼和hamming距離的方法; wildes和中科院的基於虹膜紋理分析的方法; boles的基於小波過零檢測的方法;上海交大的基於小波模極大值的方法等。並在此基礎上，對虹膜識別系統中的圖像預處理和識別的若干演算法進行了改進。
  15. Secondly, on the basis of the research on the characteristics of the wavelet coefficients, the combination of the ezw ( embedded zerotree wavelet ) and advanced rle ( run length encode ) is presented to realize the efficient codes of the wavelet coefficients. finally, the improved periodic extension algorithm is used to solve the boundary problem appeared in wavelet transform. the algorithm is realized by software and the good processing results are obtained

    論文選取cdf （ 2 ， 2 ）小波基，取得了較好圖像壓縮效果；二、通過對小波系數的特點的研究，提出了將嵌入式零樹編碼和改進的遊程編碼相結合的方法，實現了小波系數的有效編碼；三、採用改進的周期延拓法解決圖像進行小波分解時出現的邊界問題，並通過軟體實現，取得較好的處理效果。
  16. This paper also present a method that reduces the computational requirements of the encoder, while still upholding picture fidelity and remaining compatible with the h. 263 bitstream standard. often a substantial number of inter - macroblocks in the encoder are reduced to all - zero values after quantization. we introduced a method of predicting when those macrobolcks will quantize to zeros, which in turn allows us to eliminate the computation that would normally be required for those macroblocks

    在編碼器中宏塊經過dct變換和量化后，總有一定數量的宏塊的系數全為零，因此在進行dct轉換前先進行預測，將那些預測系數全為零的宏塊提前查找出來，然後將系數全為零的宏塊azq （ all - zeroquantizedcoefficients ）直接送到熵編碼模塊進行可變長編碼。
  17. 2 ) the embedded zero - tree wavelet algorithm, which is proposed by shapiro, is analyzed. regarding to its shortcomings, a new quantization method based on zero - tree is presented. in addition, this method needs to match the hvs characteristics

    2 ）仔細分析了shapiro的嵌入式零樹編碼演算法，根據其在量化過程中存在的問題，提出了一種改進的零樹量化演算法，並在量化過程中充分考慮了人的視覺特性對于重構圖象質量的影響。
  18. Through systematically defining the constructing elements of coding system, this paper pointed out the drawbacks of current part classification and coding systems and established flexible classification and coding system for mass customization

    摘要通過系統地定義分類編碼系統的構成要素，指出了當前零部件編碼系統的不足。
  19. The purpose of our research is to study the data compression coding method of still image. in this paper, an improved zero - tree coding method based on wavelet transform is proposed. with the related experience, it was proved effective

    本文就靜態圖像數據壓縮編碼方法進行了研究，提出了一種改進的基於小波變換的零樹編碼方法，通過實驗證明了此方法的有效性。
  20. This algorithm combined joint - component vector quantization respectively with zero block and zero tree coding, scanned three component of color image separately and simplified separate coding into joint scanning and joint encoding

    該方法將聯合色彩分量矢量量化和零塊、零樹編碼方法巧妙結合，把彩色圖像的三個色彩分量單獨掃描，單獨編碼的過程簡化為聯合掃描和聯合編碼的過程。
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