4)Discrete(离散系统模块库) 模块包括描述离散时间系统的模块，其中主要模块有： Difference(差分)； Discrete Derivative(离散微分)； Discrete Filter(离散滤波器) Discrete State--Space（离散状态空间模型)； Discrete Transfer Fcn(离散传递函数) Discrete Zero-Pole(以零极点表示的离散传递函数模型)； Discrete Time Integrator（离散时间积分器)； First--Order Hold(一阶采样和保持器 Integer Delay(整数延迟)； Zero-Order Hold(零阶采样和保持器)； Unit Delay(单位延迟)；
（4）Discrete（离散系统模块库） • 模块包括描述离散时间系统的模块，其中主要模块有： • Difference（差分）； • Discrete Derivative（离散微分）； • Discrete Filter（离散滤波器）； • Discrete State-Space（离散状态空间模型）； • Discrete Transfer Fcn（离散传递函数）； • Discrete Zero-Pole（以零极点表示的离散传递函数模型）； • Discrete Time Integrator（离散时间积分器）； • First-Order Hold（一阶采样和保持器） • Integer Delay（整数延迟）； • Zero-Order Hold（零阶采样和保持器）； • Unit Delay（单位延迟）； 21
Discrete(离散系统模块库) Simulink Library Browser 一回X File Edit View Help Dc 》 Enter search term Libraries Library:Simulink/Discrete Search Results:(none) Most Frequently Used Blocks 白-Simulink 2-1 Difference K (z-1) Discrete 0540.521 Discrete FIR Commonly Used Blocks Tsz Derivative 1 Filter Continuous Discontinuities 1 R Discrete Filter PID(z) Discrete PID Discrete PID C- PD冈 Discrete 1+0.5z1 Controller ontroller (2D... Logic and Bit Operations Discrete State- Discrete -) Discrete Zero- Lookup Tables Space 2+0.5 Transfer Fcn 2205) Pole -Math Operations -Model Verification K Ts Discrete-Time First-Order -Model-Wide Utilities 21 Integrator Hold Integer Delay -Ports Subsystems 0.05z Signal Attributes Memory Transfer Fcn Tapped Delay z-0.95 First Order Signal Routing Sinks z0.75 Transfer Fcn 0.75 Transfer Fcn -Sources 20.95 Lead or Lag Real Zero Unit Delay User-Defined Functions Zero-Order -Additional Math Discrete Hold 中-Aerospace Blockset Altera DSP Builder Communications Blockset Control System Toolbox Data Acquisition Toolbox Showing:Simulink/Discrete
Discrete（离散系统模块库） 22
(5)Logic and Bit 0 perations(逻辑和位运算 模块库)和Lookup Tables(查找表模块库) 分别由逻辑和位运算模块以及查找表模块构成，其中主要模块有： Bit Clear () Bit Set () ● Bitwise Operator ( Combinatorial Logic(组合逻辑)； Compare to Constant(与常数比较)； Detect Change () Extract Bits () Logical Operator(逻辑运算器)； ● Relational Operator(关系运算器)； Shift Arithmetic(转移算术)； Cosine(余弦函数)； Direct Lookup Table (n-D) ( 直接n维查找表)； Interpolation (n-D)using PreLookup () PreLookup Index Search () 2
（5）Logic and Bit Operations（逻辑和位运算 模块库）和Lookup Tables（查找表模块库） • 分别由逻辑和位运算模块以及查找表模块构成，其中主要模块有： • Bit Clear（）； • Bit Set（）； • Bitwise Operator（）； • Combinatorial Logic（组合逻辑）； • Compare to Constant（与常数比较）； • Detect Change（）； • Extract Bits（）； • Logical Operator（逻辑运算器）； • Relational Operator（关系运算器）； • Shift Arithmetic（转移算术）； • Cosine（余弦函数）； • Direct Lookup Table（n-D）（直接n维查找表）； • Interpolation（n-D）using PreLookup（）； • PreLookup Index Search（）； 23
Logic and Bit Operations（逻辑和位运算模块库) Simulink Library Browser File Edit View Help 02 Enter search term 、州首 Libraries Library:Simulink/Logic and Bit Operations Search Results:(none) Most Frequently Used Blocks 净-Simulink Clear Bit Clear Set Bit Set AND Bitwise Commonly Used Blocks DEO 0D9 Operator Continuous Discontinuities Combinatorial =3 Compare To <=0 Compare To Discrete Logic Constant Zero Logic and Bit Operations Detect U:O Detect Fall Lookup Tables U=U/z Detect Change U<Uz NOT Decrease 0 Negative Math Operations Model Verification Detect Fall Detect 0 U>U/z Detect Rise NOT NOT Model-Wide Utilities g-0 Nonpositive Increase Nonnegative -Ports Subsystems Detect Rise Etact Bits Signal Attributes NOT Positive p阳r怕量 Extract Bits Interval Test Signal Routing Sinks Interval Test AND Logical Relational Sources 6 Dynamic Operator Operator User-Defined Functions 防w8 -Additional Math Discrete Shift Arithmetic E-E山 中-Aerospace Blockset 中Altera DSP Builder Communications Blockset Control System Toolbox Data Acouisition Toolbox Showing:Simulink/Logic and Bit Operations
Logic and Bit Operations（逻辑和位运算模块库） 24
Lookup Tables（查找表模块库) Simulink Library Browser File Edit View Help D含 Enter search term 、刺面 Libraries Library:Simulink/Lookup Tables Search Results:(none) Most Frequently Used Blocks 白-Simulink Commonly Used Blocks Cosine Direct Lookup Interpolation U- Table(n-D) sing Prelookup Continuous Discontinuities Lookup Table Lookup Table Lookup Table Discrete (2-D) (n-D) "Logic and Bit Operations Lookup Table Lookup Tables Dynamic Prelookup Sine Math Operations Model Verification Model-Wide Utilities Ports Subsystems Signal Attributes Signal Routing Sinks Sources User-Defined Functions 中，Additional Math&Discrete Aerospace Blockset Altera DSP Builder Communications Blockset Control System Toolbox Data Acquisition Toolbox Showing:Simulink/Lookup Tables
Lookup Tables（查找表模块库） 25