解離指數 的英文怎麼說
中文拼音 [jiělízhǐshǔ]
解離指數
英文
dissociation exponent-
Taking a view of pure time field, this paper presents dissolvable signals and basic concepts of sampling ; and also gives the very condition of discrete of signal ; this paper uses linear algebra to analysis this kind of signal and then gives some results and relevant deductions ; based on these results, 1 made a further step to analysis some typical band - limited signals in order to proof the coherence of my theory of dissolvable signal to the typical sampling theory ; i made some preliminary study about the feasibility of sampling and recovering of this kind of signal
本文從純時域角度出發,給出了可分解信號及其采樣的基本概念;也指出了信號可離散化的條件;利用線性代數理論給出了對這類信號進行采樣的分析理論及相應的推論;並用這些結論對典型的帶限信號進行了分析,證明可分解信號采樣定理與經典采樣理論的一致性;初步探討了對這類信號的實行采樣與恢復的工程實現問題。But almost none studies analysis and design principle about quasiliquid device by the numbers. for providing theory guidance for quasiliquid device design and improving capability and reliability of quasiliquid fuzes, taking experience formula of loose object orifice flowage of loose object mechanics, this paper constitutes three type quasiliquid safety and arming device mathematics models by force analysis
為了為引信準流體機構設計提供理論指導,提高準流體引信性能及其可靠性,本文以散體力學散粒體孔口流動經驗公式出發,結合典型準流體機構具體結構,通過受力分析,建立了離心力驅動、彈簧力驅動和離心力與彈簧力相結合驅動三種典型準流體延期解除保險機構地解除保險過程數學模型。Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent
展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。Besides tt & c transponder, the power support for pico - satellite also covers cmos camera, data processing unit and energy subsystem, by connecting and charactization which, full course from modulation and demodulation of instruction data to feedback of image data, wireless long - range transmission and the feedback of sidetone signal could be achieved
4 、整個衛星的電系統除了通信一體機外,還包括cmos相機和數據處理單元以及能源分系統。具備了這幾部分,對系統聯試,實現了從指令信號的調制解調和圖像信號的返回的全過程,並且可通過遠距離的無線傳輸。The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o - ckesolphthalein and thymol blue, as well as their the colour - changing ranges were studied by spectrophotometry
探討了表面活性劑氯化十六烷基吡啶形成的膠束對溴百里香酚藍、甲酚紅、鄰甲苯酚酞和百里香酚藍離解反應的離解常數的影響,同時,也研究了該表面活性劑對上述四種酸堿指示劑變色范圍的影響。In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance
本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般電路上的隨機徘徊,驗證了電路與可逆的遍歷markov鏈是一一對應的;給出了電路電壓的概率解釋:當把1伏電壓加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的電壓v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效電阻之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。We first show that the solution operator s ( t ) is lipschitz continuous, then prove the discrete solution operator s _ ( * ) = 5 ( t _ ( * ) ) satisfy the squeezing property, finally, we get the existence of the exponential attractor m. whose fractal dimensionality is finite
第四章,研究ginzburg - landau方程在三維空間的指數吸引子的存在性。首先證明解運算元s ( t )是lipschitz連續的,然後證明離散解運算元s _ * = s ( t _ * )滿足擠壓性,從而得到指數吸引子m的存在性。The primary advantage that elliptic curve systems have over systems based on the multiplicative group of a finite field ( and also over systems based on the intractability of integer factorization ) is the absence of a subexponential - time algorithm ( such as those of index calculus type ) that could find discrete logs in these groups
與基於有限域的乘法群系統(及基於整數分解的難解性之上的系統)相比,橢圓曲線系統的優勢在於,迄今為止還沒找到這類群上離散對數的次指數時間演算法(如微積分類)Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution
簡單遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷,本文設計出隨相對遺傳代數呈雙曲線下降的自適應交換率,並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明,具有自適應交換率和變異率的遺傳演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result
在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。Secondly, the effect of distance function for clustering performance is researched, the disadvantages of euclidean distance for part family formation are pointed out, a more suitable part - machine processing feature related distance function is put forward, with which the clustering errors for parts and machines are basically eliminated
第二,深入研究了距離函數對fcm聚類性能的作用,指出歐幾里德距離函數對于製造單元構建問題的不足,提出了更加符合成組技術需要、反映問題本質特徵的距離函數,解決了fcm對具體零件和設備的聚類錯誤問題。Chaos is a ubiquitous nature phenomenon. the solution of chaos mathematical model is an extremely instable movement localized on finite space. as for instability, that is, the adjacent orbit will separate exponentially with the time goes by
混沌是自然界中存在的普遍現象,對混沌現象建模產生的混沌數學模型,其解為局限於有限相空間的高度不穩定的運動,所謂高度不穩定是指近鄰的軌道隨時間的發展會指數地分離。This dissertation is faced to the process of steel rolling to found network of manufacture material flow, basing on it founding guide line evaluation system of the cost of unit standard producing working procedure, guide line evaluation system of the quality cost of unit standard producing working procedure and guide line evaluation system of performance and efficiency ; and base on the cost data of all kinds of material flows, manufacture flow, flux data, manpower, energy consume, material consume, capital asserts occupied, fund occupied, and the production in working procedure, throughput of the materials in working procedures in the flow and countercurrent flow in the network of material flow of recorded in working procedure producing, using the “ whole closed down lane ” model to describe network of manufacture material flow of steel rolling, found the cost analyzing model system of the network faced to producing process. make the cost increasing of the producing by abnormity material flow in working procedure, and even the cost increasing of the producing procedure as the cost of the management behavior of working procedure fallen under cost evaluation guideline in responsible working procedure, so as to ration measure the factors fast correlated with management behavior by measuring the cost
在企業管理信息化輔助工具所建立的數據平臺基礎上,建立了以基準物流圖模型為基礎的軋鋼生產主流程物流網路拓撲圖,根據圖論的理論求解最大流量和最小費用;計算每個生產節點的加工成本,分離質量成本,克服了單純財務數據進行成本核算所帶來的缺陷;建立了軋鋼生產主流程工序含鐵物料吞吐能力基準圖模型,並根據此模型建立了軋鋼生產主流程工序激勵物流協調性和匹配性、工序響應物流協調性和匹配性分析的過程能力指數計算方法;通過引入決策單元綜合投入與綜合產出效率最優原則的模型和基於投入不變、分析產出是否有效或基於產出不變、分析投入是否有效的模型,實現了對多個績效指標在不同績效值集合之間的相對比較,並可根據投入產出效率準則、或者投入(產出)有效性準則進行排序。L. lovasz, et al, discrete mathematics : elementary and beyond ; springer, new york, 2002
耿素雲等,離散數學?學習指導與習題解析,高等教育出版社。Hence this method can improve accuracy and efficiency of the calculation. c. based on these work upwards, an adaptively wavelet precise time - invariant integration method was proposed in this paper. in this method, an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted, in which the time complexity is less than oleg v ' s method, and then the adaptive precise integration method was combined with, so that in this method the adaptively discretes both in time domain and physical domain were realized
該方法將外推法引入求解結構動力方程的精細時程積分法中,從而使該方法在求解非線性動力方程中可以自適應選取時間步長;需要指出的是,由於考慮了矩陣指數精細演算法和外推法演算法在時間離散方法上的一致性,在外推過程中,計算工作量基本沒有增加;因此,兩種方法的結合有效提高了演算法的效率和精度。To find out characteristic of lithology and liquid under surface, seismic trace inversion is very important in geophysics. based on chaos theory, chaotic feature of inversion dynamical system is analyzed, and targeting chaos, controlling chaos and algorithm of lyapunov exponent in high dimension dynamical system are discussed, then a new method of seismic trace nonlinear inversion controlled by lyapunov exponent is presented. the successful emulation is realized
本文從廣義反演理論得到的動力系統的混沌特性分析入手,綜合各種優化演算法、目標混沌和混沌控制的最新成果、高維lyapunov指數計算方法,創造性地提出了一種解決高維離散動力系統穩定性問題的lyapunov指數混沌控制優化演算法,數據模擬計算顯示,該方法具有較高的精度和運算速度。The elliptic curve digital signature algorithm ( ecdsa ) is the elliptic curve analogue of the digital signature algorithm ( dsa ). it was accepted in 1999 as an ansi standard, and was accepted in 2000 as ieee and nist standards. unlike the ordinary discrete logarithm problem and the integer factorization problem, no subexponential - time is known for the elliptic curve discrete logarithm problem. for this reason, the strength - per - key - bit is substantially greater in an algorithm that uses elliptic curves
橢圓曲線數字簽名演算法( ecdsa )是數字簽名演算法( dsa )的橢圓曲線對等。它先後成為ansi , ieee , nist和iso的標準,而且其它的一些組織正在考慮成為其標準。不象普通的離散對數問題和因數分解問題,橢圓曲線離散對數問題沒有已知的亞指數演算法,所以使用橢圓曲線的演算法在密鑰的位強度是足夠高的。In continuous - lime framework, assuming that asset price follows stochastic diffusion process, it introduces parametric uncertainty, and applies stochastic dynamic programming to derive the closed - form solution of optimal portfolio choice, which maximizes the expected power utility of investor ' s terminal wealth ; in discrete - time framework, continuous compounding monthly returns of risky asset are assumed to be normal i. 1. d., it applies the rule of bayesian learning to do empirical study about two different sample of shanghai exchange composite index
在連續時間下假設資產的價格服從隨機擴散過程,引入參數不確定性,利用隨機動態規劃方法推導出風險資產最優配置的封閉解,使投資者的終期財富期望冪效用最大;在離散時間下假設風險資產的連續復合月收益率服從獨立同分佈的正態分佈,通過貝葉斯學習準則,以上證綜合指數不同區間段的兩個樣本做實證研究。The key of multiple attribute decision making is to confirm attribute weights, a model of an optimal combination weights way is to solving the problem of multi - targets attacking decision, which is contained in many kinds of determining weights methods
多屬性決策問題的關鍵是確定各屬性權重,綜合各種賦權法的特點,採用離差平方和的最優賦權方法求解多目標攻擊的綜合優勢指數。This method can guarantee the solution matrix of sylvester equation to be inverse and the sum of the input gain norm and the observer gain norm is the minimum. for the linear systems with unknown parameters, we identify the parameters using hopfield network, then design the observers using the identified parameters, the exponential convergence of adaptive observer is also proved. for the linear time - varying systems, a new network to solve the time - varying sylvester equation is proposed, we analysis it ' s convergence and robustness, then, deign the linear time - varying observer using this network model, and we discuss the convergence of the observer and ruboustness to unknown match parameters
同時保證了sylvester方程的解矩陣的可逆性和觀測器的增益矩陣與輸入矩陣范數的和最小;在設計線性時不變自適應觀測器時,首先利用系統的輸入、輸出數據設計一個hopfield網路參數估計器,進一步設計狀態觀測器,證明了參數估計器和狀態觀測器的指數收斂性;為了仍然從神經優化計算的角度設計線性時變系統的狀態觀測器,最後介紹了一種求解時變sylvester矩陣方程的神經網路模型,分析了它的收斂性和魯棒性,然後利用該網路設計時變狀態觀測器,進一步討論該觀測器的在系統存在未建模不確定和外部噪聲時的魯棒性;最後給出了一種基於分離性原理和hopfield網路觀測器的狀態反饋閉環系統的結構,分析了該閉環系統的特點;對于每一種設計方法都給出了相應的數值模擬例子來進一步表明所提方法的可行性和有效性。分享友人