first quantization 中文意思是什麼

first quantization 解釋
一次量子化
  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • quantization : 分層量子化把連續量轉換為數字
  1. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  2. First, it expatiates the reasons in theory why the private - owned enterprises have advantages in the international competition during the course of investing abroad. then, the article discusses about the content of private - owned enterprises " competition advantages broadly, including the perspicuity of the property relations, the flexibility of the management mechanism, the advantages of the small - scale technology, the cost advantages and the more perfect abroad market network system. at last, with a verifying survey on private - owned enterprises of zhe ' jiang province, by utilizing the analytical method of quantization, the article fully affirm the private - owned enterprises " ability to absorb the key elements, and the ability to combine, develop and manage resources

    本文第二部分則著重分析了民營企業對外投資的優勢，首先從理論上闡述了民營企業具有何種國際競爭優勢；然後具體論述了民營企業的競爭優勢內容，包括產權關系明晰、經營機制靈活、小規模技術優勢、成本優勢以及比較完善的海外市場網路體系等等；最後，結合對浙江民營企業的實證性調研，運用量化分析方法，對民營企業的要素吸附能力、整合開發能力以及資源運營能力給予了充分肯定，同時也發現了某些不足之處。
  3. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。
  4. This paper can put into four parts ? this first part is the description and theoretical analyses of source coding, which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding, which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models, binary symmetric channel and cdma channel o in this part, two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts, one is to find the most appropriate quantization steps and centroid points of separate channel - source coding, another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding, the characters of joint channel - source coding are given

    本論文可以分成四部分：第一部分給出了信源編碼的基本概念和理論分析，重點放在最優均勻量化編碼的研究方面；第二部分給出了通道?信源聯合編碼的原理敘述，重點放在復合式通道?信源編碼的分析研究上；第三部分將通道-信源聯合編碼原理應用在兩種噪聲通道上：離散無記憶通道和cdma通道，並根據兩種通道的不同特點詳細描述了兩種相應的編碼設計方案；第四部分給出了復合式通道-信源編碼的模擬結果以及對結果的相應分析。
  5. The combination will involves these questions, such as running, ensuring, motive force, etc., namely what a issue of setting up and perfect the operating mechanism, security mechanism and power mechanism etc. : 1, operating mechanism about the two : should first clear perfecting leader and organize system that the two agree with, set up and regard party committee as leader, regard full - time political and ideological work staff, cultural construction personnel of enterprise as backbone, regard administrative personnel as cadre, to build the masses of vertical horizontal network system of organization that staff participate in actively ; secondly should define the mechanism of working routine, set up thinning, standardized operation system, making a whole set of thinning, quantization, standardized operation method

    這就涉及到兩者契合的運行機制、保障機制和動力機制等問題。 1 、關于兩者的運行機制：首先要明確和健全兩者契合的領導和組織體系，建立以黨委為領導、以專職政工、企業文化建設人員為骨幹，以行政幹部、各層管理人員為主體，廣大員工積極參與的橫向到邊、縱向到底的組織網路體系；其次要明確工作程序機制，建立細化、規范化的操作體系，制定出一整套細化、量化、規范化的操作辦法，實施定量和定性相結合的全過程式控制制管理。
  6. First, there is no specific parameter for quantization ; second, the effects of transaction fee are ignored ; third, because these models are equilibrium models, they can ’ t reveal many of the prosperities observed in empirical markets, such as fat - tails, long - range correlations in volatility, etc. in the process of i study financial economics, when the teacher xu jia - gen to speak the price of the stock market to visit the distance examination and the artificial intelligence models, i think, if mathematics combines with the calculator. ( i studied mathematics four years in the southwest normal university ). the stock market price exercise regulation will easily confidence

    首先，沒有用具體的參數來量化股市的行為，其次，它們都忽略了交易費對股市的影響，第三，由於這些模型都是均衡模型，無法展示實際市場回報分佈的特點，諸如「肥尾」現象、集群波動等。在我學習金融經濟學的過程中，徐加根老師講到股票市場價格的遊程檢驗與人工智慧模型時，我想，如果數學與計算機的結合（在西南師范大學學習了四年數學） ，股票市場價格運動規律就容易把握了。
  7. The algorithin adopts two well - known ideas called spread spectrum and quantization, first applies a frequency transformation on the motion signal, and then embeds watermark bits by quantizing proper intermediate frequency coefficients

    本章的演算法應用了量化與擴展頻譜的思想，首先對運動信號進行頻域變換，在dct域上選擇一定數量的中頻交流系數量化嵌入水印信息。
  8. According to the dirac constrain theory and the extended condition, we deduce the gauge generators, show the brst transformation of ( 1 + 1 ) dimension o ( 3 ) non - linear model under the new general condition. we first gain the new general commutation relations of ghost field, deduce the brst charge from gauge generator, complete the general brst quantization of the model, get green function, connecting green function and generating functional, gain three kinds of ward identities. at last, we complete the brst quantization of o ( 3 ) non - linear model with topological term in ( 1 + 1 ) dimensions space - time

    最後依據dirac約束規范理論和推廣的條件，導出了規范生成元，推導出了1 + 1維o （ 3 ）非線性模型的新的一般條件下的brst變換，給出了其brst變換與dirac規范變換的等價性，首次得到了鬼場的一般對易關系，且其一般參數為零時就回到通常的鬼場的對易關系，第一次由規范生成元導出了brst荷，進而完成了此模型的一般的brst量子化，並在此基礎上進一步導出了此系統的green函數、連通green函數生成泛函和正規頂角生成泛函，獲得了三種不同的ward恆等式。
  9. The first type of quantum effect is the quantization of certain physical quantities

    量子效應的第一種類型就是某個物理量的量子化。
  10. 5. for different decoding algorithm and different signaling schemes, different quantization schemes are used. the nonuniform quantization method for the special property signal is put forward for the first time

    系統地研究了turbo碼的各種迭代譯碼演算法的原理，對演算法中參數的取值進行了討論，並在awgn通道上進行了模擬比較。
  11. In this paper, we first investigate the impurity effect ( ba2 + ) on the dielectric and phase transition properties in srtio3 within the framework of the transverse - field ising model ( tim ). then a possible coupling mechanism between the magnetism and dielectric properties in eutio3 is discussed and the magnetic influence on the frequency of the soft - phonon mode is investigated via the heisenberg model, soft - mode theory under the mean field approximation, the second quantization theory and the perturbation theory. and we proceed further investigation on eu1 - xbaxtio3 of

    我們發現baxeul _ xtio3 （ o 『 x 『 0 . 2 ）的介電常數和由內察的偏置場導致的電極化除了隨雜質濃度產生相應的變化，同時在磁和介電性質的藕合作用影響下在低溫下偏離通常的量子順電體行為，在尼爾溫度附近出現異常，且磁場通過對最近鄰自旋關聯的作用來影響介電常數和電極化。
  12. At first, the error model of the vector quantization, watermarking embedding and the noisy channel were established and further the simplified model was given

    為了用蟻群演算法進行優化，首先建立了矢量量化、水印嵌入及通過噪聲通道的誤差模型，並給出了簡化模型。
  13. This chapter first introduces the principium of trellis coded vector quantization, then focuses on analyzing the algorithm of wavelet image classified weighted tcvq and its realization process, also gives tcvq application to wavelet image coding and its simulation results

    首先分析了網格編碼矢量量化的原理，在第三章矢量量化的基礎上詳細介紹了小波圖像分類加權tcvq演算法的原理和實現過程，並給出了tcvq在小波圖像量化中的應用實例和模擬結果。
  14. This paper first research on main technologies used by avs standard, which include prediction, transform, quantization, in - loop filter, and entropy encoding, and then focus on the 2d - vlc entropy coder of avs, which is context - based adaptive coder. this encoder operates on run - level pair, and it uses the type of current block and value of current coefficients to switch vlc code - table. these tables are designed according to the distribution of transformed coefficients, and this way is much better than using only one table to code all residual coefficients in one 8x8 block

    本文首先詳細研究了avs標準的核心技術，包括預測編碼、變換量化、環路濾波器以及掃描和熵編碼等，之後重點研究了avs標準中使用的基於上下文的2d - vlc變長編碼方法，這種方法編碼的是（ run ， level ）數對，同時根據當前編碼塊的類型和殘差系數這兩種上下文信息來切換碼表，這些碼表是預先根據變換系數在不同位置的分佈信息設計好的，這樣要比只使用一個變長碼表來編碼塊內所有位置上的殘差系數的壓縮效果要好得多。
  15. The new algorithm has three characters : first is that the new algorithm is on the basis of super frame which include 3 continuous simple frames in melp algorithm, the algorithm deal with parameters of a super frame by the mode of the super frame. secondly, two algorithms are introduced for improving vector quantization quality of line spectral frequency ( lsf ) parameter. one is swithed - adaptive inter - frame vector prediction ( sivp ), which can get rid of the correlation between neighboring frames effectively, the other is joint codebook optimization for multi stage vector quantization ( jco - msvq ), which can improve performance of codebook

    第二是在製作線譜對參數（ lsf ）矢量量化碼本時，引入了目前提高lsf碼本性能的兩個方法:在利用重點幀對非重點幀作預測時，借鑒自適應幀間矢量量化（ sivp ）去除相關性演算法的優點，提出了以固定矩陣去除相關性的方法，有效的控制了預測后殘差的動態范圍，提高了對殘差矢量量化的精度;採用聯合碼本優化多級矢量量化演算法（ jco - msvq ） ，改良多級矢量量化碼本的性能。
  16. The embedded bw also successfully survives cropping, filtering, noise and multi - watermarking etc. the new ideas the thesis proposed are : first, frequency - based watermarking idea using toral automorphisms is really a novel one, although, in the literature, there are some waterniarking schemes using toral autpmorphisms, all of which are based on space ; second, some improvements of the quantization function contribute to the algorithm ' s performances to some degree

    另外該演算法對圖象裁剪、濾波、噪聲和多重水印處理等都具有較強的魯棒性。本文提出了兩個新思想：第一，雖然現有文獻已經提出了利用環形自同構映射的數字水印處理演算法，但這種演算法是基於空域的，而利用環形自同構映射基於頻域的水印處理演算法，目前文獻上未見報道。
  17. During decoding, the component is first reconstructed using inverse quantization and wavelet inverse transform. then according to this component and the reconstructed correlation coefficients, the other two components are calculated out. finally the color image is reconstructed by the three color components

    解碼則是通過反量化和小波逆變換得到一個重構的色彩分量，再由這個色彩分量和重構的相關系數解出另兩個色彩分量，最後由這三個色彩分量恢復圖象。
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