轉遞函數 的英文怎麼說
中文拼音 [zhuǎndìhánshǔ]
轉遞函數
英文
transfer function-
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。Abstract : for a precise dataflow analysis within the framework of the computation function model, the logical relationship of branch conditions is represented as the coverage relationship of regions. in this paper, the authors discuss how to represent, compute and propagate the region, region of the conditional reference. meanwhile, the methods of resolving the nondeterminism caused by conditional branch statements are also presented in order to get more precise dataflow information
文摘:用計算函數模型進行精確的數據流分析,條件謂詞之間的邏輯關系被轉化為空間區域之間的覆蓋關系.該文討論在各種常見的程序構造下如何表示、計算和傳遞區域、區域,並在數據流分析過程中,利用區域、區域之間的覆蓋關系消除條件分支語句帶來的不確定性,以得到更精確的數據流信息In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given
第二章分析了標準振動臺的工作原理和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線,列出了不同頻段間的轉折頻率。Then the measured frequency characteristic can be converted to high accurate transfer function with curve fit method, rational initial parameters choice and fitting in different frequency range method
使用曲線擬合方法,輔助以合理的初始參數選取及分段擬合方法,將測量得到的控制對象頻率特性轉化為高精度的傳遞函數。A mathematics model in the form of differential equation was constructed base on the theory of motor timing. then the model was changed into the form of transfer function. with the help of matlab, the model in the form of transfer function can be easily solved
應用交流電機調速理論,建立了船舶電力推進系統的微分方程形式的數學模型,再將其轉化為傳遞函數形式的數學模型,應用matlab語言進行了動態特性模擬計算。The description was translated from the transfer function to the phase plane before studying control algorithm of sliding mode on the complex temperature object ( cto )
在對復雜溫度對象( complextemperatureobject / cto )進行滑模控制演算法的研究之前,把該類對象的傳遞函數描述轉變為相坐標描述。Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered
本文首先綜合運用概率論、代數學、數論等基礎學科的理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈相對均勻的函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入的研究,給出了廣半bent函數定義,並探討了廣半bent函數的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的定義及等價判別條件;討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數的關系,探討了它們的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的典型構造方法,並將對k階擬bent函數的密碼性質的研究轉化到對一類特殊的矩陣的研究上;利用布爾函數的特徵矩陣原則上給出了k階擬bent函數的一種完全構造方法,還給出了從已有的p值k階擬廣義bent函數出發,遞歸構造變元個數更多的p值k階擬廣義bent函數的方法;初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中的應用;給出了一類布爾函數walsh譜的分解式,並利用這類布爾函數的walsh譜分解式給出了一類近似穩定的布爾函數的構造,特殊情形下為k階擬bent函數;利用代數數論的知識考察了p值k階擬廣義bent函數的譜特徵,並給出了k階擬廣義bent函數與所有仿射函數的符合率特徵等等。Details are as follows : we deal with properties of bilevel linear programming and prove the equivalence of bilevel linear programming and optimization over the efficient set. a class of multi - objective tow level programming, i. e. the upper - level is single objective and the lower - level is linear multi - objective, is mainly discussed. it can be converted into the optimization over the efficient set with parameter and an algorithm is given with its finite termination being proved ; when the upper - level is linear function, an exact penalty function algorithm is given
分層(分級)遞階系統是社會組織管理的主要形式,多層規劃是研究這類系統優化問題的基本模型,其鮮明的實際背景和廣泛的應用前景引起了人們的廣泛關注,成為一個新興的活躍的研究領域,本論文研究了二層規劃中的若干問題,主要工作如下:討論了二層線性規劃的性質,並證明了它與零有效集上優化問題的等價性;對一類二層多目標規劃(上層為單目標規劃、下層為線性多目標規劃的問題)進行了探討,將其轉化為含參變量的有效集上的優化問題,進而給出了一種演算法,並證明了該演算法的有限終止性;當上層為線性單目標時,給出了一種罰函數方法In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law
在船舶航向控制方面,考慮船舶的穩態回轉非線性,應用backstepping方法設計:首先把系統化成單入單出的嚴格反饋控制形式(呈下三角結構) ,假設系統后一個狀態變量是前一個狀態變量的虛擬控制,通過適當的變量代換,在每一步構造李亞普諾夫函數,使前一子系統在虛擬控制下漸近穩定,逐步遞推出控制器控制規律,使整個系統在平衡點滿足一致漸近穩定性。The equivalent loads of the bearings are also obtained in two cases, with the influence of the elevation of the supports ( static. determined ) and without it ( static. undetermined )
( 6 )考慮非線性油膜力的影響,提出了高速轉子動平衡的非線性傳遞函數法。實驗證明,該方法能夠較準確地得到加重質量的幅值和相位,且簡單易行。With laplace transforms, the question can be solved in laplace domain. with the aid of impedance transmit functions, an analytical solution for the impedance function in laplace domain is yielded, so is the corresponding analytical solution for the impedance function in frequency domain, semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force and mobility at the level of the pile head
利用拉普拉斯變換,將定解問題轉化到拉普拉斯域內求解,結合阻抗函數的傳遞性,得到了拉普拉斯域內的樁頂阻抗函數解析解,進而得到了頻域內的樁頂阻抗函數解析解、半正弦脈沖激振力作用下的速度時域響應半解析解和速度導納。Mutual transfer function
互感應轉遞函數2. the time variant nonlinear model of the laser gyro inertial surveying and attitude reference system is changed and simplified to time invariant linear model of the error states using robust analysis method. these results make frequency analysis based on transfer function become possible which is important for dynamic system analysis
2 、採用魯棒分析方法,將激光陀螺慣性測量與姿態參考系統的時變非線性模型轉化為誤差狀態的近似線性定常模型,從而使基於傳遞函數的頻域分析成為可能,這對動態系統分析是至關重要的。A rhombic new concept car is characterized with a rhombic configuration of 4 wheels, which has the advantage of avoiding forward collision, excellent mobility, and low wind resistive factor over traditional cars
摘要採用線性三輪模型分析了菱形新概念車的轉向性能,並推導出轉向穩定性因子和橫擺角速度增益傳遞函數。Based upon established analytical model, the finite element models of laminated shell pasted with piezoelectric units, are formulated, which employ a novel eight - node degenerated shell element - a - piezo element, then the model are converted into form of state space and transfer function
在解析模型的基礎上,運用有限元方法,構造了一種新型的八節點退化殼元? ? piezo單元,推導建立了表面粘貼有壓電材料的層合殼結構的有限元動力學模型,並將其轉換成狀態空間和傳遞函數形式。The paper builds up the mathematics model of the electromotor - drive and the turntable, gives the transfer function of the system and designs the velocity loop ' s arithmetic and position loop ' s arithmetic of turntable system. the velocity loop adopts pi control. the position loop adopts pid control
建立了電機?驅動器及轉臺對象的數學模型,給出了系統的傳遞函數,分別對轉臺控制系統的速度環和位置環進行了設計研究,對速度環採用pi控制,位置環採用pid控制,並詳細介紹了pid演算法。Then the author analyzed the three - axis position servo system, deduced the transfer function. in order to know what affect the steady precision and static precision the author made a detailed analysis about them. then the author put forward the measure which can improve the steady precision and static precision
以位置控制的電機帶載伺服系統為研究對象,建立三軸電動測試轉臺的數學模型並進行理論分析,求出開環傳遞函數,對系統的穩態精度和靜態誤差進行分析,找出影響因素及提高措施。Based on the average mathematical model, the transfer function of the rolling missile was deduced, and the stability conclusion was deduced and applied to the research object
從滾轉導彈的均態數學模型出發,推導了滾轉導彈的彈體傳遞函數。分析了滾轉導彈的穩定性條件。The transfer function of the servo system in laplace - domain is transformed to time - domain to produce the servo state equations. by solving aerodynamic equations, structure state equations and servo state equations in every time step, the aeroservoelastic problem can be simulated in time domain
將伺服機構的傳遞函數轉化為狀態方程和輸出方程,在時間域內同時求解結構運動方程、非定常氣動力、伺服狀態方程和輸出方程,實現了帶有伺服機構的氣動彈性系統的時域模擬。The dynamic equation of simulator is presented to make use of theory analysis, and the simplified model of brushless direct current torque motor is established, and then the simplified equivalent transfer function is established. the controlled member differential equation of three axis simulator table is derived from the dynamic equation and equivalent transfer function, laying a foundation for further analysis and research
首先對轉臺的系統組成進行了闡述;通過理論分析推導出了轉臺的動力學方程,並建立了無刷直流力矩電機的簡化模型,得到其簡化的等效傳遞函數,將二者聯立得到了三軸轉臺的控制對象微分方程,為深入分析和研究轉臺的性能提供了基礎。分享友人