discrete value 中文意思是什麼
discrete value
解釋
不連續值-
The traditional method is that sampling 20 equidistance discrete voltages to calculate the virtual value. to gain the virtual value, we firstly average their square values, and then extract it
傳統的計算有效值的方法是利用一個周期內等距離散的20個采樣點的瞬時值進行求解，通過計算它們的均方根值來得到有效值。 -
Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。 -
On the basis of this, some annuities and life annuities with certain interest rate are more discussed. the property of m power of the present value about the discrete and continuous annuities is found as well as some recursion formulae and differential equations about some life annuities
在此基礎上，一方面對確定利率下的一些（生存）年金作了進一步地討論，得到了某些離散和連續年金現值的m （ m 2的整數）次方性質及一些離散生存年金精算現值的遞推方程和一些連續生存年金精算現值所滿足的微分方程。 -
In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果 -
In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p
第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。 -
The fuzzy layer of the hybrid fnn include two kinds of neurons, one is gaussian fuzzification neuron which used to give the continuous input an fuzzy membership value, another is a presented fuzzy cluster neuron which also used to give the discrete input an fuzzy membership value
該混合模糊神經網路的模糊化層除了具有模糊化神經元，還加入一類模糊聚類神經元。模糊聚類神經元通過預先計算的模糊聚類隸屬度矩陣來輸出對應于離散輸入的模糊化值。 -
Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance
本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題，根據大量實驗建立了高強輕集料混凝土工作性能的評價體系，提出了高強輕集料混凝土可泵性的測試方法；通過分析輕集料混凝土的結構形成過程，建立了輕集料混凝土拌和物物料運動的數學模型，提出了防止輕集料混凝土分層離析的技術措施；通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究，確定了影響輕集料混凝土強度因素的主次關系，提出了配製高強輕集料混凝土的技術路線；研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。 -
The numerical solutions show the integer - coded ga is effective. when number of the discrete value between representation for binary coding and in discrete list ca n ' t be corresponded by one - to - one, integer coding is predominant, and better solutions are achieved under the same parameters. in chapter 5, ga is applied to configuration optimization of truss with mixed variables and topology optimization of truss with singularity
通過算例表明，整數編碼的遺傳演算法是有效的，而且在二進制編碼所能表示的離散值個數與變量的可選離散值數目不能一一對應大連理工大學博士學位論文一時，整數編碼顯示了它的優勢，在相同的控制參數下，能夠得到比二進制編碼更優的結果。 -
Reinforcement learning algorithms that use cerebellar model articulation controller ( cmac ) are studied to estimate the optimal value function of markov decision processes ( mdps ) with continuous states and discrete actions. the state discretization for mdps using sarsa - learning algorithms based on cmac networks and direct gradient rules is analyzed. two new coding methods for cmac neural networks are proposed so that the learning efficiency of cmac - based direct gradient learning algorithms can be improved
在求解離散行為空間markov決策過程（ mdp ）最優策略的增強學習演算法研究方面，研究了小腦模型關節控制器（ cmac ）在mdp行為值函數逼近中的應用，分析了基於cmac的直接梯度演算法對mdp狀態空間離散化的特點，研究了兩種改進的cmac編碼結構，即：非鄰接重疊編碼和變尺度編碼，以提高直接梯度學習演算法的收斂速度和泛化性能。 -
One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system
第一種情況的壓縮方法為：採用傳統的傅立葉變換把原始信號從時間域變換到頻率域，舍棄20次及其以上的高次諧波成分（保證了gb / t14953 ? 93d5 . 3要求） ，然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組，以字元形式保存，採用靜態huffman編碼對變換數據進行壓縮；採用離散小波變換把原始信號從時間域變換到頻率域，然後對分解得到的高頻系數進行閾值量化處理，對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組，以字元形式保存，採用動態huffman編碼對這個文件進行壓縮。 -
Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures
最後針對現有演算法對帶有方向的紋理合成效果差，無法直接合成紋理圖像的難點，本論文首先提出了非正平行紋理與正平行紋理的概念，分析了它們之間的內在聯系，引入了兩個角度參數來描述紋理的朝向，採用傅立葉頻譜法分析紋理的方向特性，並提出了紋理主方向的概念，本論文引入離散逼近的方法來求解出紋理主方向的近似值，這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。 -
Existence of multiple positive solutions of discrete boundary value problem
離散邊值問題多重正解的存在性 -
The thumb position is always a discrete integral value. for instance, a scroll bar with a range of 0 through 4 has five thumb positions, as shown in figure 4 - 8
滑塊位置總是一個離散的整數值。例如，范圍從0到4的滾動條有五個滑塊位置，如圖4 - 8中顯示。 -
In chapter 5, both the convergence of discrete time cellular neural networks with the non - reciprocal templates in interacting updating mode, in non - interacting updating mode, and some properties of strict networks with value of zero threshold are studied
第五章研究了模板非互補的離散時間細胞神經網路在細胞相互作用演化方式和非相互作用演化方式下的收斂性，並且對并行和串列演化模式下的閾值為零的嚴格網路的吸引域的一些特性進行了研究。 -
Samples for strontium isotopic screened were selected by way of the test of cathodoluminescence, observation of thin sections, and analysis of sr and mn. the mn / sr value of all samples presented in this paper are less than 2, and the cathodoluminescence is dull, however, the samples from the cambrian underwent diagenetic alteration to a certain degree, and the plotted points of the thickness and 87sr / 86sr value are somewhat discrete. the strontium isotope evolution curve drawn from the data with relatively low 87sr / 86sr value are consistent with other curves based on samples from different areas of the world, supporting the notion of global consistency of strontium isotope composition of marine carbonates
根據鋸同位素地層學的基本原理，利用已有的鋸同位素演化曲線，筆者確定重慶秀山寒武系剖面寒武系底界、下一中寒武統界線和中一上寒武統界線都應適當下移；另外嘗試確定了重慶秀山寒武紀剖面一些關鍵點的年齡，累積厚度1380m處的年齡為503 ? 509ma ，累積厚度1900m處的年齡約為500ma ，這對秀山寒武系剖面下、中寒武統和中、上寒武統界線的確定具有參考價值。 -
Review of linear algebra, applications to networks, structures, and estimation, lagrange multipliers, differential equations of equilibrium, laplace ' s equation and potential flow, boundary - value problems, minimum principles and calculus of variations, fourier series, discrete fourier transform, convolution, applications
線性代數回顧，網路，結構以及估計的應用，拉格朗日乘數，平衡態的微分方程，拉普拉斯方程和勢流，邊值問題，最小值原理和變分法，傅立葉級數，離散傅立葉變換，卷積，應用。 -
In this paper, we consider mixed finit element methods for the initial - boundary value problems of two order hyperbolic equations and linear integro - differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems. in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux
本文討論了二階雙曲方程和線性拋物型積分微分方程方程初邊值問題的混合有限元方法，得到了這兩類問題混合有限元離散格式的誤差估計。第一章討論二階雙曲初邊值問題的擴展混合元方法。該方法能同時逼近未知函數、未知函數的梯度和流體的流量，較好的模擬了帶有混合型邊界條件的二階雙曲問題。 -
Fist, the problem of robust stability for the uncertain linear discrete - time systems is studied where the uncertain matrixes are unstructured, highly structured, norm bounded and matrix polytope structured. the relevant conditions that the systems is robust stability are obtained using the characteristic value method, lyapunov function method and linear matrix inequality method. then we give some examples to prove
分別針對具有非結構不確定性、強結構不確定性、矩陣多胞形結構不確定性和范數有界不確定性等線性離散系統，利用特徵值方法、 lyapunov函數方法和線性矩陣不等式方法等進行討論，給出了相應系統的魯棒穩定性判別條件，並通過算例進行了驗證。 -
The acceleration is first evaluated from governing equation, secondly, the formulae of displacement and velocity are developed basing on some assumptions, and then the discrete expressions of the response mean square value are deduced
首先，直接從控制方程出發計算加速度，其次，給出了位移和速度的一種近似計算公式，最後，推導出響應均方值的離散計算表達式。 -
Provides properties for retrieving and setting discrete value parameters
提供屬性，以便檢索和設置離散值參數。
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