first-order systems 中文意思是什麼
first-order systems
解釋
一階系統-
The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts
論文在富縣探區首次應用陸相層序地層學的觀點和方法，把延長組劃分為6個三級層序，平均時限4 . 5ma ，各層序由三角洲與湖泊相砂、泥巖沉積組成，主要在低位體系域和高位體系域發育水下（上）分流河道和河口砂壩砂巖儲層 -
Based on the economic globalization background, the economic function of government embodiment in : first, it is the base function, draw up the game regulation, regulates the quota of production on the clear limit, and improves the setup in marketplace ; secondly, macroscopic regulation and control function, maintain the all - up weight equilibrium, require inner place composition equilibrium and the enlargement ; third, are microcosmic dividers systems, resolves the problem of the out of order marketplace ; fourth, the international economic functions, draw up the international regulation, protection country economy security ; fourth, the international economic functions, draw up the international regulation, protection country economy security ; fifth, supporting the technique innovation function, advancing the country science and technology contest
摘要在經濟全球化背景下，政府的經濟職能體現在：一是基礎性職能，即制定游戲規則、明晰界定產權及完善市場體系；二是宏觀調控職能，即保持總量平衡、結構平衡及擴大內需；三是微觀規制，即解決市場失靈問題；四是國際性經濟職能，即制定國際規則、貿易談判及維護國家經濟安全；五是扶持技術創新職能，即完善國家創新體系，提升國家科技競爭力等。 -
The task of the first phase is to introduce the system of independent directors and complete the system of supervisory committee at the same time on the basis of our own national situation in order to make the two systems coexist complementally
本文在全面分析了兩種監督制度的理論和實踐問題之後，主張:第一階段，立足於本國實際國情，引進獨立董事制度，同時繼續完善監事會制度，從而實現二者並存互補。 -
In addition, in order to solve the differencing equations, feasible project is presented to deal with the first and second boundary conditions. finally, jacobi interation method is selected for the solution of the equation systems
為了實現內點離散方程組的封閉，本文就第一、二類邊界條件在計算時的處理和邊界外虛擬點的外插法求值，給出了可行的解決方案。 -
The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work
索桿張力結構是指由張力索和壓桿組成的、具有預應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵，討論結構靜動定體系特性和幾何穩定性判定分析方法，指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法計算結構平衡矩陣的秩，並計算獨立機構位移模態和自應力模態.最後，對幾種典型的索桿張力結構進行了算例分析 -
The influence of noise color on the first - order - like phase transition ( folt ) in several kinds of laser systems is investigated in this paper
本文著重研究噪聲的有色性對各種激光系統中一級相變類比的影響。 -
Abstract : the digital pid control equation in microcomputer - based control systems is introduced. the effects of the technologies of digital smooth filtering ， first order recurrence filtering and dynamic compensation for improving the control features and enhancing the control accuracy are emphasized. the results of simulation test are illustrated
文摘:介紹了微機控制系統中的數字pid控制算式，重點分析了數字平滑濾波、一階遞推濾波和動態補償技術在改善控制性能、提高控制精度中的作用，給出了模擬實驗的結果圖。 -
The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study
為改善上述缺點，本文進行了以下的研究工作：在忽略耗能器附加質量的基礎上，推導出適用於耗能減震結構的攝動法，減少振型分解法在迭代計算過程中的工作量，加快計算速度；針對運動方程的強行解耦所產生的誤差，根據攝動法原理，對其進行一階攝動修正；為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差，引入狀態空間對系統進行復模態分析，並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法；對于耗能器的數量和位置優化進行了一些探討和研究。 -
Uniaxial motion, fixed - axis rotation ; first and second order systems ; natural and forced response ; transfer functions, zeroes, poles ; elementary control : open - loop, closed - loop ; closing the loop alters the natural and forced response characteristics ; stability and instability
003單軸運動，固定軸的轉動，一階與二階系統，自然與強迫響應；轉移函數，零點，極點；基本控制：開迴路，閉迴路；回授對自然與強迫響應特性之改變；穩定與不穩定。 -
Pole assignment for the first order coupled generalized control systems
一階耦合廣義控制系統的極點配置問題 -
When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse
在引入新的無量綱的時間參數后，通過建立相應的動量-沖量的一階微分方程，在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程，得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法，即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。 -
Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc
非線性動力系統；非線性波；擴散過程；穩定性；特徵值及特徵曲線；非線性陡斜，阻斷和激波的形成；守恆定律；一階偏微分方程；有限差分；數值穩定性等等。 -
Some solvability conditions of periodic solutions are obtained for a class of first order superquadratic non - autonomous hamiltonian systems in light of the minimax methods of critical point theory
摘要運用臨界點理論中的極小、極大方法得到一類超二次哈密頓系統的周期解的存在性的存在性定理。 -
Global classical solutions to the cauchy problem for general first order inhomogeneous quasilinear hyperbolic systems
一階非齊次擬線性雙曲組的柯西問題整體經典解的存在性 -
By means of the existence and uniqueness of semi - global c1 solution to the mixed initialboundary value problem with general nonlinear boundary conditions for first order quasilinear hyperbolic systems with zero eigenvalues, we establish the local exact boundary controllability for second order quasilinear hyperbolic systems with general nonlinear boundary conditions
本文利用具零特徵的一階擬線性雙曲型方程組帶一般非線性邊界條件的混合初-邊值問題的半整體c1解的存在唯一性，對具一般類型非線性邊界條件的二階擬線性雙曲型方程組建立了精確邊界能控性 -
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems
摘要利用錐上的不動點指數研究了一階非線性常微分方程組的周期邊值問題。 -
The proofs of the two orthogonal function systems formed by first order bessel functions
由一階貝塞爾函數組成的兩個正交系的證明 -
In this paper, these two methods are employed to consider three kinds of singular perturbation boundary value problems. in the first section, the existence of solution for a class of non - linear systems with three - point boundary problem is obtained by applying the differential inequality theory. in the second section, we use the differential inequality theory to discuss the non - monotone interior layer solution for one kind of singularly perturbed quasilinear boundary value problems with a turning point. in the third section, the diagonalization method is applied to study the existence of solution for a class of vector differential systems with two - point or three - point boundary problems. meanwhile, the asymptotic estimate of the solution as well as its first - order derivative and its second - order derivative is obtained
在第一部分中，我們應用微分不等式理論證明了一類非線性系統三點邊值問題解的存在性；在第二部分中，運用微分不等式理論研究了一類帶有轉向點的擬線性奇攝動邊值問題的非單調內層解；在第三部分中，利用對角化方法研究了一類向量二點或者三點邊值問題解的存在性，並獲得解及它的一、二階導數的漸近估計。 -
Consider the hugeness and the extreme complexity of first - order rule space, in order to carry out an effective search, most ilp systems have used greedy search strategy and required to explicitly present strong language bias related to the mining task, the structure feature description of first - order rules explored in mining process, to reduce the search range or is used as heuristics to guide the search
由於一階規則空間的龐大和復雜性，為了實現有效的搜索，絕大多數一階規則挖掘系統採用了貪婪的搜索策略，並需要對具體問題給出極其嚴格的語言偏向（即挖掘過程中待測規則構成的特徵描述）來縮小搜索的范圍或作為啟發知識來指導搜索過程。 -
In chapter 2, we put forward the matrix computation and optimize strategy, and discuss the parameters and the limits of the standard generalized predictive control. in chapter 3, it is well known that a - first order or a - second order with dead - delay is always described in the typical loops of process control systems
第二章：詳細闡述了標準廣義預測控制演算法，並推導了其中的矩陣計算和優化策略，分析了其中參數對性能指標的影響以及標準廣義預測控制演算法的局限性。
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