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this is a book on nine free programs every pc should have.

Julia is a high performance, high-level dynamic language designed to address the requirements of high-level numerical and scientific computing. Julia brings solutions to the complexities faced by developers while developing elegant and high performing code.

学习Lucene很经典的一本书，分享给大家，希望能用的到(Lucene in Action Lucene in Action Lucene in Action)

struts经典书籍之Struts in Action.并且包含中英文版本。(This is named by Struts in Action with Java language.)

本光盘包含了本书各章中出现的所有程序的源代码。 1. 如果是Java程序，可以直接通过javac加java命令运行。 2. 如果是JSP类型的程序，可以参照本书描述的方式运行。 (The CD-ROM contains the various chapters of this book appear in the source code for all programs. 1. If the Java program can be added directly through the java command to run javac. 2. If it is JSP types of procedures, can refer to the manner described in this book run.)

包含飞行器飞行中的姿态控制，如侧滑角，倾斜角，滚转角，俯仰角，进行波形数据分析,这是第二能量熵的matlab代码。( It comprises aircraft flight attitude control, such as slip angle, tilt angle, roll angle, pitch angle, Waveform data analysis, This is the second energy entropy matlab code.)

LDPC码的编译码原理，详细完整，是了解LDPC码基础知识的很好的材料(LDPC code encoding and decoding principles, detailed and complete, is to understand the basics of LDPC codes of good material)

介绍了网络进程通信的主要技术，Java有关的Web技术，异步消息服务技术JMS和Java Mail技术，Java安全体系结构、密钥、消息摘要、数字签名等技术。Java网络高级编程(Introduce the network communication process the main technical, Java related Web technologies, asynchronous messaging service technology JMS and Java Mail technologies, Java security architecture, key, message digest, digital signature technology. )

JADE多智能体方面的入门教程，主要用于基础的JADE学习(JADE introductory tutorial on Multi-Agent)

说明：  高频实验Multisim仿真：一、混频器（原理图、信号输入输出波形与频率）二、调幅波的解调（原理图及全载波调幅信号的解调）三、惰性失真及底部切削失真(Multisim simulation of high frequency experiment: 1. Mixer (schematic diagram, signal input and output waveform and frequency) 2. Demodulation of amplitude modulation wave (schematic diagram and demodulation of full-carrier amplitude modulation signal) 3. Inert distortion and bottom cutting distortion)