transform variable 中文意思是什麼
transform variable
解釋
變換變量-
The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard
H . 264的技術特點可以歸納為三個方面，一是注重實用；二是注重對移動和ip網路的適應；三是在混合編碼器的基本框架下，對其主要關鍵部件都做了重大改進，如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。 -
The data processing system further includes a discrete transforming means for performing a discrete transform on the input data at the first sampled frequency for trans forming the input data to a discrete function in a second - variable - domain at the first sampling frequency
此資料處理系統也包含一個離散轉換裝置，用來對以第一個取樣頻率所取樣的輸入資料作離散轉換，也就是將輸入資料轉換成以第二個取樣頻率為頻率及第二個變數為定義領域的離散函數。 -
Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration
在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。 -
Then some key techniques in mpeg - 2 and mpeg - 4 recommendations are studied and compared in detail, including motion estimation, motion compensation, discrete cosine transform, inverse discrete cosine transform, variable length coding and layered description of picture and code stream
然後深入研究了mpeg - 2建議的視頻編碼標準，包括ts流、 ps流、時鐘恢復、視頻與音頻的同步、基於場的運動補償、 dct及變長編碼。 -
Just based on the two points mentioned above, a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper, which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed
正是基於上述兩個出發點，本文設計了一臺基於8xc196mc單片機的2 . 8kw變速恆頻雙饋風能發電控制系統。主電路中變流器的設計可使該系統能工作于亞同步速、同步速及超同步速三種運行狀態，並具有能量雙向流動的特點。 -
96 quantisation parameter : a variable used by the decoding process for scaling of transform coefficient levels
量化參數：解碼處理中使用的一個值，用於縮放變換系數。 -
The standard is designed to give a new technical solution for a broad range of applications, such as very low bit rate conversational services and entertainment quality broadcast, interactive video - on - demand services etc. for the enhancement of the coding efficiencies, the new standard adopts new tools as following : multiple reference pictures, variable block - size with seven block sizes in motion prediction, quarter - pixel accuracy for motion vector, short word - length integer transform, context - adaptive entropy coding and loop filter deblocking
H . 264 / avc標準支持從低帶寬、高誤碼率的無線移動視頻通信到高帶寬、低誤碼率的有線視頻廣播等多種應用，因此，日益受到業界的關注。為了實現更高的編碼效率， h . 264 / avc標準採用了很多新的編碼技術，如多參考幀預測、多尺寸編碼塊模式、 1 / 4像素精度運動矢量、整數變換量化、基於內容的熵編碼、新型幀內預測、去除方塊效應的濾波器等。 -
Via the transform of coordinate, mode iii crack problem in physical plane is inversed to stress plane to be investigated. equilibrium equation and compatibility equation are deducted, in which ( x, y ) is expressed by unknown variable 7 ^, 7 ^,
通過坐標變換，將物理平面中型裂紋問題變換到應變（應力）平面中加以研究，推導出用（ _ x ， ， _ y ）為未知變量表示（ x ， y ）的平衡方程和協調方程。 -
The virtual mission area concept was advanced to transform the constraints of three dimensions to those of two dimensions to decrease the decision - variable complexities
通過引入虛任務區概念，將三維約束降為二維約束，有效地降低了決策變量的復雜性。 -
In this paper, we briefly introduced the performance of wave coding and vocoder, emphasizedly studied the principle and performance of variable rate vocoder q4401, including the internal construction and pins, qcelp coder & vocoder, pcm interface, cpu interface initialization process, command format and so on. we also designed a application circuit, with the experiment validated its performance. in this design, the pcm interface chip is tp3057, it was used to finish a / d transform, the compress coding was finished by q4401, the initialization and control were accomplished by 8051 singlechip
重點是研究變速率語音編解碼晶元q4401的工作原理及性能。其中包括q4401的內部結構及管腳、 qcelp編碼方式、 pcm介面、 cpu介面、初始化過程、命令格式等，並在此基礎上，設計一個實際的應用電路，通過實驗，驗證其性能。在設計中用pcm介面晶元tp3057來完成從模擬信號到數字信號的轉換，再由q4401進行壓縮編碼，對q4401的初始化及控制由8051單片機來完成。 -
As analyzing the optical spatial filter and frequency domain filter with wavelet transform, the space variable processing > matched filtering and imagery system are the examples. all of these confirm the feasibility of wavelet transform applied in optical information processing
用小波變換處理光學信息，主要的是應用小波的多分辨特性，小波變換的定義是一相關運算，很容易在光學系統中實現，這是光學小波變換的理論依據。 -
The study state of art and development trend of structural damage identification research is simply summarized in this paper. hilbert - huang transform ( hht ) is applied to the damage identification and intrinsic frequency confirmation of time - variable structures. furthermore, a kind of inverse calculation is presented to calculate structural stiffness. this method can solve three main problems : the time that damage occurred, the location and the degree of damage
本文簡要總結了結構損傷識別領域的研究現狀和趨勢，圍繞損傷引起固有頻率變化這個特徵，將希爾伯特?黃變換（ hht ）應用於時變結構的損傷識別和損傷前後固有頻率確定上，並結合牛頓迭代法，對結構剛度進行反演計算，從而解決結構損傷識別領域所關注的三個主要問題:損傷發生時間、損傷位置以及損傷的程度。 -
In this paper, two important modifications in dct - based coding algorithm are suggested after making deep study on the generally used scheme of h. 263 coder. first, we find plenty of invalid computation in the transformation part of the h. 263 coder and an improved scheme based on the pre - transform decision to avoid invalid computation is proposed. second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences, and we suggest a new search algorithm which has variable search region based on the difference of motion level. combining the pre - transform decision scheme with variable search region method in motion estimation, a global decision coding scheme is provided, which greatly increases the coding speed of h. 263 coder
本文對h . 263編碼演算法的現有實現方法作了深入的分析，首先發現變換部分存在大量無效運算，提出了在變換前加判決的前變換判決的編碼方案，以壓縮無效的變換運算；其次發現運動估計部分由於忽略了圖像場景的分級運動而存在一定的無效搜索運算，提出了基於分級運動的可變搜索域法來壓縮無效的搜索運算；最後將前變換判決方案與運動估計的可變搜索域法有機地結合在一起，提出了全局判決編碼方案，從而比較全面地改進了現有實現方法，因而能大幅度地提高編碼器的編碼速度 -
This text derives out the sufficient condition again no using lagrange function, but direct eliminating a variable from the side condition to transform conditional extreme value into the unconditional extreme value
本文不用拉格朗日函數，而是直接通過消去一個變量將條件極值轉化成無條件極值，重新推導出充分性條件。 -
Rapidly changing needs variable strategies, so enterprises need to transform continually to respond to the environmental variation and pursue the development of them
迅速變動的時代需要變動的策略，企業要應對環境的變化和謀求自身的發展，必須不斷地實施變革。 -
Since 1980s, with the economic globalization, the competition among banks has become more intensified and financial innovation has made rapid progress. at the same time, customers " requirement became more variable, and banks began to transform production - oriented to customer - oriented. under this intensified competition, the customer manager system came into being and began to expand
與此同時，客戶的金融服務需求日益多樣化，銀行由以產品為中心轉向以客戶為中心，客戶經理制正是在此競爭態勢和金融環境下產生和推廣的，各商業銀行把建立、完善客戶經理製作為適應市場需求和同業競爭的重要手段。 -
The work theory, structure, work state and control of linear motor is analyzed. the use and rebuilding of servo controller and variable frequency adjustable speed of permanent magnet synchronous motor ( pmsm ) is presented. the theory and use of hall sensor is introduced. the obtainment approach of transform matrix coefficient is given
分析了作為驅動裝置的直線電機的工作原理、結構、工作狀態以及對它的控制。對控制器的使用和改造以及同步電機的變頻調速作了闡述。對位置傳感器（霍爾傳感器）的原理和使用做了說明。 -
Measuring and analyzing technology based on variable - time - interval fourier transform was dealt with for vehicle accelerating noise signal
摘要提出了基於變時基短時傅里葉變換來分析和處理時變信號的技術。
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