非對稱參數 的英文怎麼說
中文拼音 [fēiduìchènshēnshǔ]
非對稱參數
英文
asymmetry parameter-
Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines
然後，本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位，不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響，對參數對稱線路和非對稱線路均適用。Following from the results of sensitivity analysis of standard eigenvalue problems, the differentiability of semisimple multiple eigenvalues of nonsymmetric generalized eigenvalue problems is proved, and the derivatives of semisimple multiple eigenvalues and the series expansions of the corresponding eigenvectors are obtained
摘要以標準特徵值問題靈敏度分析的有關結論為基礎，證明了單參數非對稱廣義特徵值問題半單重特徵值的可微性，給出了特徵值導數的表達式和特徵向量的級數展開式。This paper has built more precision mathematical model for the valve controlled asymmetrical cylinder system based on the simulink simulation flat, then according to actual need and combining self - adaptive control theory, we choose a mathematic model which has good performance to be the reference model of our adaptive control and adopt velocity system of asymmetric cylinder controlled by symmetric valve as controlled device to design the adaptive controller
本文建立了基於simulink模擬平臺上的閥控非對稱缸系統較精確的非線性模型，然後根據對系統提出的性能指標要求，結合自適應理論選取性能良好的數學模型作為自適應控制的參考模型。以閥控非對稱缸速度系統作為被控對象，設計自適應控制系統。Following these two examples of two and three phases, regarding ternary and quarternary metallic melts involving eutectic as melts consisting of three and four non - homogeneuos solutions correspondingly, and using thermo - dynamic parameters of binary metallic melts involving eutectic, calculating models of mass action concentrations for ternary symmetrical melts formed from similar metastable compounds, ternary unsymmetrical melts formed from unsimilar metastable compounds and quarternary metallic melts involving eutectic have been formulated
仿照這兩個二、三相熔體的例子，將含共晶體三、四元金屬熔體看作由3 ， 4個溶液組成的非均相熔體，並利用含共晶體二元金屬熔體的有關熱力學參數，針對由同類亞穩態化合物組成的對稱型三元系、不同類型亞穩態化合物組成的非對稱型三元系及四元系含共晶體金屬熔體，制定了相應的作用濃度計算模型。In the design of holographic disc storage system, we first proposed an optimized reflection configuration for sam fourier - transform hologram storage. then we designed and manufactured an asymmetrical fourier transform lens pair, which matched the parameters of slm and ccd and the system requirements. in order to achieve 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd, the two lenses were designed and optimized in an iterative manner, and the combination of them reached satisfactory results with eliminated aberrations that can meet the design requirements
首先提出來用於反射式傅立葉變換體全息存儲的空間-角度復用的光路機構，然後按照slm和ccd的光學參數以及系統的工作要求提出傅立葉變換鏡頭的設計條件，為實現在1024 768幅面的1 : 1像素匹配，設計採用非對稱結構的傅立葉變換鏡頭，可以解決slm與ccd像素尺寸相差比較大的問題，使兩個鏡頭的焦距比同slm和ccd的像素尺寸比相等。The roughness coefficient experiments indicate that the change in tropical cyclone intensity will be varied with different coefficient. also the experiment indicates the wind of tropical cyclone is reduced by the land and the effect of an tropical cyclone landfalling process could result in the height increasing of tropical cyclone boundary layer
通過不同的陸地粗糙度參數數值試驗，結果表明，粗糙度越大，熱帶氣旋強度減弱越多，其造成的非對稱結構也越明顯；而且，由於登陸作用，陸地一側的地表風減小，登陸的摩擦作用將可能導致邊界層的高度增加。A model is derived for describing the capillary filtration process of asymmetrical tubular ceramic ultrafiltration membranes from the filtration and capillary function theory
摘要以過濾理論和毛細作用原理為基礎推導出非對稱管式陶瓷超濾膜的毛細吸漿成膜過程的數學模型，並提出測定模型參數的實驗方法。Firstly, based on research of the asymmetric involute gear cutter and the gearing theories, the universal tooth flank curve equations of asymmetric gear with two pressure angles and the tooth transmission curve are derived by the gear shape nomal method, then the fea model of asymmetric involute gear with main parameters is automatically generated with ansys parametric design language ( apdl )
本文首先建立非對稱漸開線刀具的方程，根據齒形法線法建立非對稱漸開線齒輪的齒廓曲線方程，並利用apdl參數化建模語言建立全參數的非對稱漸開線齒輪有限元模型。討論了非對稱漸開線齒輪的嚙合特性，對非對稱漸開線齒輪傳動特點作了詳細的分析。Based on the enlarged waveguide y - branch, we introduced the sheared y - branch tir structure. after analyzing the structure parameters of the sheared asymmetrical y - branch, the extinction ratio of the tir optical switch can be more than 40db in theory. by wet erode, we finished photon - induce total internal reflection y branch optical switch with gaas material
在展寬型y分叉的基礎上，提出了隔離型非對稱y分叉全內反射結構，通過對隔離型非對稱y分叉的結構參數的分析，在理論上可以設計出消光比達到40db以上的全內反射型光開光。We designed a wireless asymmetric physical layer link model with a direct sequence spread spectrum system as a transmitted reference. uplink and downlink are both one - way links connected by an ip tunneling. uplink is consisted with the narrowband radio data link of the warfighter information networks ( win )
研究了無線非對稱鏈路，提出了一種用參考法直接序列擴頻（ dsss ）實現的無線非對稱數據傳輸的物理層鏈路模型：利用現有戰斗員信息網電臺的窄帶數據鏈作為上行通道，通過ip隧道技術保證單向鏈路的連通性。Finally, based on the parametric method, a parametric fea modeling and post process software was developed by using apdl and visual basic language
最後，基於參數化設計的思想，利用apdl與vb語言，開發了設計非對稱漸開線齒輪的計算軟體。This paper puts forward cpw structures and analyses their characteristic parameters. at this foundation, this paper brings forward asymmetric upper - low shielded coplanar waveguide structure and figures out it ' s resolved resolution. we can set up a uniform cpw " s simulation software pack at this foundation
本文分析了非對稱共面波導結構的特性參數，對其結構與特性參數的關系進行了模擬，並對模擬結果的分析研究，在此基礎上提出了上下屏蔽多層非對稱共面波導結構模型，得到了該模型的特性參數的解析解，在此基礎上可以建立共面波導電極結構的模擬軟體包This paper deduced the involute gear total tooth profile equations of unsymmetric teeth with double pressure angles, proposed the calculation formulas of coordinates and load angle at the upper and lower points of single and double teeth mesh areas, and programmed the relevant parametric programs
摘要推導出雙壓力角非對稱漸開線齒輪系統全齒廓方程，以及在單、雙齒嚙合上、下界點處坐標和載荷角的計算公式，編制了相應的參數化程序。The main results can be summarized as the folio wings : in the certain parameter range, the circular shearing basic flow might be able to axisymmetrize the one - wave asymmetric structure of a typhoon and also to transfer the perturbation vorticity in the outer region inwards
主要結果可以歸納如下：在一定的參數范圍，圓形切變基流可以使初始一波非對稱結構軸對稱化，也可以使外區的擾動渦量向內傳播。Under the frame of natural gradient algorithm, an ica algorithm based on adaptive kernel estimation is proposed, which can separate arbitrary mixed signals ( such as super - gaussian and sub - gaussian, symmetric and asymmetric signals )
摘要在自然梯度演算法的框架下，本文利用隨機變量概率密度函數非參數估計的自適應核函數法，給出了一種能夠對任意混合信號（超高斯和亞高斯信號，對稱和非對稱分佈信號）進行盲分離的演算法。To describe the experiments and to study the intensities of all kinds of transitions, from 1980s, wulfman, levine, lachello and oss tried a new method and proposed the algebraic model of molecules, i. e., to calculate the spectroscopy of molecules by algebraic method. by making use of the algebraic model, we got precise results with less parameters. but it became very difficult to calculate anything as the overtone v increased, for they were done in a non - symmetry adapted bases
Wulfman ， levine ， iachello和oss從80年代開始致力於新方法的研究，提出了分子的代數模型，即用代數的方法來研究分子的能級和躍遷強度，這種方法不僅所需要的參數較少而且得到的結果比較精確，但是由於採用的是非對稱局域基，所以對于振動量子數很大的振動來說計算量很大。By the methods of conformal mapping, the closed - form analytical expressions for characteristic impedance per unit length and relative effective dielectric permittivity are deduced for the three asymmetric cpw ' s, and the analytical expressions of the electric field for asymmetric cpw with conductor backing is derived
根據本文所提出的模型，推導出了三種結構參數的具體特例，並給出了這些特例的特性阻抗、有效介電常數解析表達式。門）給出了分析有限介質基片厚度非對稱共面波導導體損耗的方法，並推導出其解析表達式。The objective of this dissertation is a kind of press - high speed numeric control oil - press. with a theoretical analysis and study about proportional control system, this paper sets up the mathematical model of proportional valve controlled non - symmetry hydraulic cylinder via the hydraulic system model building. then analyzes and modifies the model based on the matter of this study, and simulates the model with matlab software to confirm pid parameters, thus designs the pid controller
本學位論文針對一具體的研究項目?高速數控壓機的開發，對比例控制系統進行理論分析與研究，通過對液壓系統的精確建模，建立起比例閥控非對稱液壓缸的數學模型，然後根據所研究問題的實際情況對模型進行必要的分析和修正，再運用模擬軟體matlab分析系統模型及確定pid控制參數，設計出pid控制器，使得控制系統的設計具有更多的可靠性和靈活性，最後運用pic單片機實現此控制，並結合整機調試試驗驗證了pid控制的成功。分享友人