中华人民共和国国家标准 GB/T786.1-2021/ISO1219-1:2012 代替GB/T786.1-2009 流体传动系统及元件图形符号和 回路图第1部分：图形符号 Fluid power systems and components-Graphical symbols and circuit diagrams-Part 1: Graphical symbols (ISO 1219-1: 2012. Fluid power systems and components- Graphical symbols and circuit diagrams-Part 1:Graphical symbols for conventional use and data-processing applications, IDT) 2021-05-21发布 2021-12-01实施

6.0 Introduction 6.1 Block Diagram Representation of Linear Constant-Coefficient Difference Equations 6.2 Signal Flow Graph Representation of Linear Constant-Coefficient Difference Equations 6.3 Basic Structures for IIR Systems 6.4 Transposed Forms 6.5 Basic Network Structures for FIR Systems

chapter one Foundations chapter two Computational Intelligence chapter three Evolutionary Computation Concepts and Paradigms chapter four Evolutionary Computation Implementations chapter five Neural Network Concepts and Paradigms chapter SIx Neural Netwo rk Implementations chapter seven Fuzzy Systems Concepts and Paradigms chapter eight Fuzzy Systems Implementations chapter nine Computational Intelligence Implementations chapter ten Performance Metrics chapter eleven Analysis and Explanation

❖ 信号的描述 ❖ 信号的自变量变换 ❖ 基本信号 ❖ 系统及其数学模型 ❖ 系统的性质 1.0 引言 ( Introduction ) 1.1 连续时间与离散时间信号 （Continuous-Time and Discrete-Time Signals） 1.2 自变量变换 （Transformations of the Independent Variable) 1.3 复指数信号与正弦信号 （Exponential and Sinusoidal Signals ） 1.4 单位冲激与单位阶跃 （The Unit Impulse and Unit Step Functions） 1.5 连续时间与离散时间系统 （Continuous-Time and Discrete-Time Systems） 1.6 系统的基本性质 ( Basic System Properties )

• 信号的时域分解——用 表示离散时间信号； • LTI系统的时域分析——卷积积分与卷积和； • LTI系统的微分方程及差分方程表示； • LTI系统的框图结构表示； • 奇异函数。 2.0 引言 ( Introduction ) 2.1 离散时间LTI系统：卷积和 2.3 线性时不变系统的性质（ Properties of Linear Time-Invariant Systems） 2.4 用微分和差分方程描述的因果LTI系统（Linear Constant-Coefficient Differential Equation） 2.5 奇异函数（Singularity function） 2.6 小结（Summary）

1. What is nuclear QCD? Why apply QCD to nucleonic and nuclear systems? 2. Bases of nuclear QCD: QCD and its properties 3. Nucleon and nuclei at high-energy scale 4. Nonperturbative QCD studies 5. Nucleon, nuclei at low-energy scale 6. Summery

Purpose of Database Systems View of Data Database Languages Relational Databases Database Design Object-based and semistructured databases Data Storage and Querying Transaction Management Database Architecture Database Users and Administrators Overall Structure History of Database Systems

1 Mathematical Preliminaries and Error Analysis 2 Solutions of Equations in One Variable 3 Interpolation and Polynomial Approximation 4 Numerical Differentiation and Integration 5 Initial-Value Problems for Ordinary Differential Equations 6 Direct Methods for Solving Linear Systems 7 IterativeTechniques in Matrix Algebra 8 ApproximationTheory 9 Approximating Eigenvalues 10 Numerical Solutions of Nonlinear Systems of Equations 11 Boundary-Value Problems for Ordinary Differential Equations 12 Numerical Solutions to Partial Differential Equations

◼ knowledge of a basic formalism for modeling timed systems ◼ basic understanding of verification algorithms for timed systems (useful for practical modeling and verification)

Spread spectrum communication systems Brief introduction to mobile communication systems