discrete variable 中文意思是什麼
discrete variable
解釋
分散變量-
Categorical data in its broadest sense is simply a collection of values of discrete variable obtained from a sample of individuals of objects.
范疇數據在廣義上就是一批得自於個體或對像樣本的離散變量值。 -
This text aims to establish mathematics model, everyday randomicity variable to be set up by the discrete transformation method, to set up the simulation parameter form and the moleling and covariance form, draw the procedure flow chart to proceed simulative newspaper calculator problem
摘要通過建立數學模型、運用離散反變換法產生每天賣報數隨機變量、建立模擬參量表和建模及統計變量表、畫出程序流程圖等步驟對報童問題進行模擬。 -
Discrete variable optimal design for the underground pipeline network
地下排污管網系統離散變量優化設計研究 -
Tlcd semi - active control methodology for eccentric buildings using discrete - time fuzzy variable structure law
窄限法得到的整體可靠性指標與點估計法 -
Concerned the discrete area of the steel shape, a method is presented : searching the best solution of continual variable first by criteria, and next searching optimal solution by the direct - searching method of mixed variable on the original point of the continual result
慮到型鋼截面的離散化，本文對多層輕鋼框架結構優化提出一種近似的處理方法，即先用準則法求得連續變量最優點，然後將其結果作為混合變量直接搜索法的初始點進行第二步優化。 -
Variable structure control is suitable for linear and nonlinear, continual and discrete, certain and uncertain, integrated and discrete parameter, synchronous and time - delay systems
而變結構控制適應于線性與非線性、連續與離散、確定與不確定、集中參數與分佈參數、同步與時滯系統，具有一定意義下的完全魯棒性。 -
In these manmade systems, it is not continuous variable but discrete event to impact the behavior of the system
在這類人造系統中，對系統行為進程起決定作用的是一批離散事件，而不是連續變量。 -
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。 -
The data processing system further includes a convoluted inverse transforming means for inversely transforming the discrete function in a second - variable - domain back to the time domain at a second sampling frequency for converting t he input data to a set corresponding data sampled at the second sampling frequency
此資料處理系統也包含一個旋積的逆轉換裝置，用來對以第二個變數為定義領域的離散函數，逆轉換回以第二個取樣頻率為頻率及以時間為定義領域的函數，也就是將資料轉換成以第二個取樣頻率所取樣的資料。 -
The third, synchronization in unidirectionally coupled 4 - order hyperchaotic chua ' s circuits is studied. synchronization of hyperchaotic systems can be achieved using only one variable unidirectionally coupled at discrete times. we obtain the threshold of couple coefficient based on lyapunov stability theory
第三，採用單向耦合方法實現了兩個四階蔡氏超混沌電路的同步，根據lyapunov穩定性定理，得到了兩個系統達到同步時耦合系數的閾值。 -
The analysis and design class diagram are given. the sequence indication stochastic simulation algorithm based on indicator kriging is realized. the algorithm applies to discrete and continuous variable has no restrict to data distribution
系統給出了沉積相隨機建模的分析類圖和設計類圖，實現了基於指示克里金估計的序貫指示隨機模擬演算法，該演算法對離散數據和連續數據都適用，不要求數據的分佈特徵，可以較好的模擬相特徵。 -
The asymptotical convergence of the identifier is proved. a discrete variable structure control algorithm with time - varying sliding surface is developed for a class of second - order uncertain discrete systems
針對一類二階不確定離散系統，利用離散變結構控制系統所具有的滑動模態區，提出了一種具有強魯棒性的時變滑模面離散變結構控制方法。 -
At present, most studies are linked to the semi - discrete scheme and the one - dimensional spatial variable. but there are very few studies about the full - discrete scheme and the higher dimensional spatial variable. furthermore, the former ca n ' t be extended directly to the latter
目前，大多數科研成果只限於對原方程是半離散和空間變量是一維的情況，對全離散格式和高維情況研究甚少，而後者並不是前者的平行推廣。 -
Cellular automata ( ca ) is nonlinear dynamical system in which space, time and state values are discrete. by using simply rules, ca has attained very good results in simulating variable complex natural phenomena and physical problems
Ca模型的時間、空間、狀態均為離散的，易於在計算機上進行運算且靈活可調，近年來在對交通流的研究中，元胞自動機模型得到了廣泛的應用。 -
Thirdly, with the simplest single - input discrete system as the model, we analyze and discuss the effects for control - delay on the discrete variable structure control systems, and bring forward the design method of discrete variable structure control based on the system state forecast ; simulations show that the above solution avoids adverse influences for control - delay on the performance of variable structure control systems with control - delay, and control effect is fine
第三，本文以最簡單的單輸入離散系統為模型，分析討論了控制量延遲對離散變結構控制系統的影響，提出了基於系統狀態預測值的離散變結構控制設計方法；模擬表明該方法設計的具有控制滯后的變結構系統避免了控制量延遲對系統動靜態的不利影響，控制效果良好。 -
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。 -
For instance, numerical simulations show that in discrete models made of interacting blocks carrying a continuous scalar stress variable, the average stress is about two thirds of the stress threshold for rupture
例如，數字化模擬顯示，由相互作用的承載著連續梯度變化應力的地塊構成的離散模型中，平均應力大約為導致破裂應力極限的三分之二。 -
Design of brushless dc motor position servo systems using discrete variable structure control approach
正弦波型直流無刷電動機位置伺服系統的變結構控制 -
The discrete variable representation ( dvr ) scheme is applied to investigate the photoelectron spectrum ( pes ) of multiphoton ionization for some diatomic molecules in strong fields
摘要採用離散變量表示（ dvr ）方案研究了雙原子分子在強場下的多光子電離光電子能譜，得到了與實驗相同的結果。 -
In the foundation of simulation, the paper applies the association regulator in the wh20s control system, and achieves well performance. the present flight simulator ’ s control system is composed of software, so the study of discrete time variable structure control is necessary. in the foundation of researching traditional discrete variable structure control, two improved methods are discussed
考慮到現代轉臺控制系統的控制器都是軟體實現，進一步研究了針對離散時間系統的變結構控制，在對傳統離散變結構控制進行研究的基礎上，研究了兩種改進的離散變結構控制，取得了較好的效果。
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