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遗传算法优化RBF神经网络代码，十分详细，通俗易懂，可供阅读与学习

利用牛顿-雅可比迭代法求非线性方程组Ax=b的一个根,压缩包里包含了求解非线性方程组的代码，只要用MATLAB软件打开程序运行即可

新概念51单片机C语言教程-入门、提高、开发、拓展全攻略.pdf

Concepts in Programming Languages by John Mitchell.一本国外经典教材，看了之后对编程语言更加理解。费了很多劲才找到的。Concepts in Programming LanguagesThis textbook for undergraduate and beginning graduate students explains and examines the central concepts used in modern programminglanguages, such as functions, types, memory management, and controlThe book is unique in its comprehensive presentation and comparisonof major object-oriented programming languages. Separate chapters ex-amine the history of objects, Simula and Smalltalk, and the prominentanguages c++ and JavaThe author presents foundational topics, such as lambda calculus anddenotational semantics, in an easy-to-read, informal style, focusing on themain insights provided by these theories. Advanced topics include concurrency and concurrent object-oriented programming. A chapter on logicprogramming illustrates the importance of specialized programming meth-ods for certain kinds of problemsThis book will give the reader a better understanding of the issuesand trade-offs that arise in programming language design and a betterappreciation of the advantages and pitfalls of the programming languagesthey useJohn C. mitchell is Professor of Computer Science at Stanford University,where he has been a popular teacher for more than a decade. Many of hisformer students are successful in research and private industry. He received his ph D. from mit in 1984 and was a member of technical staff atat&T Bell Laboratories before joining the faculty at Stanford. Over thepast twenty years, Mitchell has been a featured speaker at internationalconferences; has led research projects on a variety of topics, includingprogramming language design and analysis, computer security, and applications of mathematical logic to computer science; and has written morethan 100 research articles. His previous textbook, Foundations for Pro-gramming Languages(MIT Press, 1996), covers lambda calculus, typesystems, logic for program verification, and mathematical semantics ofprogramming languages. Professor Mitchell was a member of the programming language subcommittee of the ACM/ieEE Curriculum 2001standardization effort and the 2002 Program Chair of the aCm principlesof programming languages conferenceCONCEPTS NPROGRAMMINGLANGUAGESJohn c. mitchellStanford UniversityCAMBRIDGEUNIVERSITY PRESSPUBLISHED BY THE PRESS SYNDICATE OF THE UNIVERSITY OF CAMBRIDGEThe Pitt Building, Trumpington Street, Cambridge, United KingdomCAMBRIDGE UNIVERSITY PRESSThe Edinburgh Building, Cambridge CB2 2RU, UK40 West 20th Street, New York, NY 10011-4211 USA477 Williamstown Road, Port Melbourne vic 3207, AustraliaRuiz de alarcon 13, 28014 Madrid, spainDock House, The Waterfront, Cape Town 8001, South Africahttp://www.cambridge.orgo Cambridge university press 2004First published in printed format 2002isBN 0-511-03492-X eBook(adobe readerISBN 0-521-78098-5 hardbackContentsPrefacepage IxPart 1 functions and foundations1 Introduction1.1 Programming Languages1.2 Goals1.3 Programming Language History3561.4 Organization: Concepts and Languages2 Computability2. 1 Partial Functions and computability102.2 Chapter SummaryExercises163 Lisp: Functions, Recursion, and Lists3.1 Lisp History183.2 Good Language design203. 3 Brief Language overview223.4 Innovations in the Design of Lisp253.5 Chapter Summary: Contributions of LispExercises404 Fundamentals484.1 Compilers and syntax484.2 Lambda calculus4.3 Denotational semantics4.4 Functional and Imperative Languages4.5 Chapter SummaryExercisesContentsPart 2 Procedures, Types, Memory Management, and Control5 The algol Family and ML5.1 The Algol Family of Programming Languages5.2 The Development of C5.3 The LCF System and ml5.4 The Ml Programming Language1035.5 Chapter summary121Exercises1226 Type Systems and Type Inference1296.1 Types in Programming1296.2 Type Safety and Type Checking1326.3 Type Inference1356.4 Polymorphism and Overloadin1456.5 Type Declarations and Type Equality1516.6 Chapter Summary155Exercises1567 Scope, Functions, and storage Management1627.1 Block-Structured Languages1627.2 In-Line blocks1657.3 Functions and procedures1707.4 Higher-Order functions1827.5 Chapter summary190Exercises1918 Control in Sequential Languages2048.1 Structured control2048.2 Exceptions2078.3 Continuations2188.4 Functions and evaluation order2238.5 Chapter summary227Exercises8Part 3 Modularity, Abstraction, and object-Oriented Programming9 Data Abstraction and Modularity2359.1 Structured Programming2359.2 Language Support for Abstraction2429.3 Modules9.4 Generic Abstractions2599.5 Chapter Summary269Exercises27110 Concepts in Object-Oriented Languages27710.1 Object-Oriented design27710.2 Four Basic concepts in object-Oriented languages278Contents10.3 Program Structure28810.4 Design Patterns29010.5 Chapter summary29210.6 Looking Forward: Simula, SmalltalkC++Java293Exercises29411 History of objects: Simula and smalltalk30011.1 Origin of Objects in Simula30011.2 Objects in Simula30311.3 Subclasses and Subtypes in Simula30811.4 Development of smalltalk31011.5 Smalltalk Language features31211.6 Smalltalk flexibilit31811.7 Relationship between Subtyping andInheritance2211.8 Chapter SummaryExercises32712 objects and Run-Time Efficiency: C++33712.1 Design goals and Constraints33712.2 Overview of c++34012.3 Classes. Inheritance and Virtual functions34612.4 Subtyping35512.5 Multiple inheritance12.6 Chapter summary366Exercises36713 Portability and Safety: Java38413.1 Java language overview38613.2 Java Classes and Inheritance38913.3 Java Types and Subtyping39613.4 Java System architecture40413.5 Security Features41213.6 Java summary417Exercises420Part 4 Concurrency and Logic Programming14 Concurrent and Distributed Programming43114.1 Basic Concepts in Concurrency43314.2 The actor model44114.3 Concurrent ML14.4 Java concurrency45414.5 Chapter Summary466Exercises469Contents15 The Logic Programming Paradigm and Prolog47515. 1 History of logic Programming15.2 Brief Overview of the logic Programming Paradigm4715. 3 Equations solved by Unification as Atomic Actions15.4 Clauses as Parts of procedure declarations48215.5 Prologs Approach to Programming48615.6 Arithmetic in Prolog49215.7 Control, Ambivalent Syntax, and Meta-Variables49615.8 Assessment of Prolog50515.9 Bibliographic remarks50715.10 Chapter Summary507Appendix a Additional Program Examples509A 1 Procedural and Object-Oriented organization509Glossary521Index525

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实验 1 ：模拟AM调制解调系统幅度调制解调技术是一种最简单的模拟调制方法，而且通过幅度调制容易理解调制的概念。本实验通过 LabVIEW 编程产生信号频率、幅度等参数可变的基带信号和载波信号，实现 AM 调制和解调，观察参数变化对已调信号的影响。并通过仿真运行整个 AM 调制解调系统，学习掌握代码调试方法，验证程序的正确性。实验 2 ：模拟FM调制解调系统利用 LABVIEW 仿真，产生基带信号频率、载波频率及频偏等参数可变的 FM 调制解调系统，观察参数变化对被调制信号以及其 FFT 功率谱的影响。并通过仿真运行整个 FM 调制解调系统，学习掌握代码调试方法，验证程序代码的正确性。通信原狸与系统实验报告【程序设计】1、总体程序实验1:模拟AM调制解调系统AM信亏波形翌(时)波信号上边带下边带正弦波形(时域)载波幅值制信号湖形图(时域)调制值颗谱测量AM洞制信号波形因(罚信号「·(峰值100000实验2:模拟FM调制解调系统载波率f(Hz)仿真信号3网回區最大偏移量f(Hz仿真信号2信号基带率和b(HzPower SpectruA圆周信号域仿真信号FM调制信号弦10000001000000导数dxdt)Simulate正弦通信原理与系统实验报告2、部分函数图音分函数图Hilbert变换函数部至复数转换复数至极坐标转换交流和直流分量估计归一化波形【实验内容】实验1:模拟AM调制解调系统1、按(P2713)的实验步骤1完成AM调制2、按(P2)的AM解调原理的提示完成AM解调根据实验教程,仿真信号快速ⅥI与频谱测量快速Ⅵ发其最终对话框选项设置如下:信号关型O幅(均方慢)加后的辅轴入信号5.583643幅度(峰直盐r变谱功增密赏占空比5.5050450D2040.60B口加难声声型099999阳果览种子值验时识相对于更开时间吧对(日期与时于均数日100000仍真平集时轴更信号采枉盈重置相位,种子和时标识乐月连续生成生递每次环口整数需吗数信号名称实玩无样数10o信号名称取商在前面板中设置参数如卜:载波幅值调制幅值11.:1戴冷200m1……4006008001000020406080100120140160180200调制频率0250500750100012501500175020000204060801001201401601802004通信原理与系统实验报告设置好参数后,运行程序,结果如图所示载波信号波形(时域)弦M4M制信号波形(时域正弦20020015050-15020020000.020.040.060.080.100.020.040.060.080.1时间时间AM调制信号形图(数城)开F:(值)四4M解号形(时城)5002050150200-15010020030040050000.020.040.060.080.1频率时间分析:观察“AM调制信号波形图(时域)”图可知:经过AM调制将调制信号加载到载波信号上后,形成的包络恰好与基带信号一致。观察“ΔM调制信号波形图(频域)”图可知:最左边的频谱为基带信号的频谱,而右边的三个频谱从左到右依次为下边带fc-fb,载波fe,上边带fc+fb的频谱。观察“AM解调信号波形图(时域)”图可知:解调后的信号与基带信号基本重合,说明运用包络检波法解调信号成功。改变实验参数增大基带信号的幅度,其他参数不变分析:如下图所示,前两幅图分別为增大基带信号幅度前的调制信号的时域图和频域图,后面两幅图为增大基带信号幅度后的调制信号的吋域图和频域图。通过观察图像可发现:增大基带信号樞度,其他参数不变的情况下:调制信号在时域上的幅度随基带信号幅度的增大而増大,而频域上不发生变化。5通信原狸与系统实验报告AM调制信号波形图(时域)AM调制信号波形(频域)应(F·(值)3005020050100200150300200-00.020.040.060.080.1100200300400500时间AM调周制信号波形图(时城)AM调制信号波形图(频域)正弦(FT·(峰值)50200100-1001002003000.020.040.060.080.10100200300400500时间频率增大基带信号的频率,其他参数不变分析:如下图所示,前两幅图分别为增大基带信号频率前旳调訇信号的时域图和频域图,后面两幅图为增大基带信号频率后的调制信号的时域图和频域图。通过观察图像可发现:增大基带信号频率,其他参数不变的情况下:调制信号在时域上的频率随基带信号频率的增大而增大,而频域上也发生了右移。AM调制信号波形图(时域MAM调制信号波形图(城)F·(峰值))M5020010050100200150-30020000.020.040.060.080.10100200300400500时间频率通信原理与系统实验报告AM调制信号波形图(时域)AM调制信号波形图(颈域)正弦·(峰值)50-200100500100-10020030020000.020.040.060.080.10100200300400500时间增大载波信号的幅度,其他参数不变分析:如下图所示,前两幅图分别为增大载波幅度前的调制信号的时域图和频域图,后面两幅图为增大载波幅度后的调制信号的时域图和频域图。通过观察图像可发现:增大载波幅度,其他参数不变的情况下:调制信号在时域上的幅度随载波信号幅度的增大而增大,而频域上不发生变化。AM调制信号波形图(时域)正弦AM调制信号波形圈(频域)H·(峰值)30050200010-500-100-200-150300-20000.020.040.060.080.10100200300400500时间频率AM调制信号波形图(时域)正弦AM制号形(炫)芷奸:()人503000200100细10020015030040020000.020.040.060.080.110200时间频率通信原狸与系统实验报告增大载波信号的频率,其他参数不变分析:如下图所示,前两幅图分别为增大载波频率前的调制信号的时域图和频域图,后面两幅图为增大载波频率后的调制信号的时域图和频域图。通过观察图像可发现:增大载波频率,其他参数不变的情况下:调制信号频率在时域上的频率随载波信号频率的增大而增大,而频域上也发生了右移。AM调制信号波形图(时城正弦AM调制信号波形图(颁域)正弦任FT·(峰值)3002000100200-300-20000.020.040.060.080.10100200300400500时间频率AM调制信号波形图(时域)正凶M制儒号形图(域):(峰)300502001000-100-20030020000.020.040.060.080.10100200300400500时间实验2:模拟FM调制解调系统、按(322.3)实验内容完成FM的调制2、按(3223)的实验内容元成FM的解调根据实验教程,仿真信号快速Ⅵ与频谱测量快速ⅥI及其最终对话框选项设置如下通信原理与系统实验报告配雪仿真信号[真台号3]生造量结果预范所选到早3、02691幅度(蜂值位(D功幸造C线性O功率造移量占空比O092Hanning君果候嚣均方根对测经开始间保待O姆对(日期与时词)半均数目C仿真菜对钟申仨号·以可达到最速度运行里相位种了和时标日相位軍预100日)来用端牛应信号名称O当平均时用信号类型名偏学会称□开相位150200250300350400450500阳确定联群取篇□帮数在前面板中设置参数如下:基带频率fb(Hz)载波频率fe(Hz)20000400006000080000100000110000033000005000007000009000001E+6最大偏移量t(Hz)20000400006000080000100000120000140000160000180000205410设置好参数后,运行程序,结果如图所示基带信号(时域正弦A载反信号(时域)正弦0.5000.5-0.505E-50.00010000150.00025E-50.00010.000150.0002时间时间时城须域FM调制信号(时域正弦0.50.52E-6E-58E-50.00010.000120.000140.000160.000180.0002时司通信原理与系统实验报告时域频域FM调制信号(域)正弦(功率-1002000500000150000025000003500000450000055000006500000750000085000001E+7频率FM解调信号(时域)正弦2E-56E-58E-50.00010.000120000140.000160.000180.0002时间分析:观察“FM调制信号(时域)”图与“FM调制信号(频域)”图可知:经过FM调制后产生的波形与原理相符合;观察“AM解调信号波形图(时域)”图可知:解调后的信号与基带信号基本重合,说明运用非相关包络检波法解调信号成功。改变实验参数≯增大基带信号的频率,其他参数不变分析:如下图所示,前两幅图分别为增大基带信号频率前的调制信号的时域图和频域图,后面两幅图为增大基带信号频率后的调制信号的时域图和频域图。通过观察图像可发现:增大基带信号频率,其他参数不变的情况下:调制信号在时域上的频率随基带信号的频率的增大而增大。

【实例简介】这本书是专门为电路设计工程师写的。它主要描述了模拟电路原理在高速数字电路设计中 的分析应用。通过列举很多的实例，作者详细分析了一直困扰高速电路路设计工程师的铃流、串 扰和辐射噪音等问题。 所有的这些原理都不是新发现的，这些东西在以前时间里大家都是口头相传，或者只是写 成应用手册，这本书的作用就是把这些智慧收集起来，稍作整理。在我们大学的课程里面，这些 内容都是没有相应课程的，因此，很多应用工程师在遇到这些问题的时候觉得很迷茫，不知该如 何下手。我们这本书就叫做“黑宝书”，它告诉了大家在高速数字电路设计中遇到这些问题应该 怎么去解决，他详细分析了这些问题产生的原因和过程。

摘要： Android 作为目前较为流行的智能手机操作系统已成为大多数人的首选。在美国乃至世界的很多地方的出货量已经超越Iphone， 成为世界上最大智能手机操作系统。因此， 世界各地的程序员都跃跃欲试地想学习Android 的开发， 并希望从中捞得属于自己的第一桶金。在此给出一个基于Android 的日历系统的完整实现过程。关键词： Android； 日历； 绘画； 农历； 记录； 提醒

1、理解一阶倒立摆的工作机理及其数学模型的建立及简化的方法；2、通过对一阶倒立摆的建模，掌握使用Matlab/Simulink软件对控制系统的建模方法；3、通过对一阶倒立摆控制系统的设计，理解和掌握双闭环PID控制系统的设计方法；4、掌握双闭环PID控制器参数整定的方法；5、掌握Simulink子系统的创建方法；6、理解和掌握控制系统设计中稳定性、快速性的权衡以及不断通过仿真实验优化控制系统的方法。

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