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Based on the research results of Chaos theory, in this dissertation, it has made detailed analysis of the chaotic signal generator. Firstly, the characteristic and various detection methods of chaotic signal are recommended. Secondly, with the aid of software, such as MATLAB, PSPICE, EWB, etc, discussion of the process of generating chaotic signal proceeds. Through simulation, the output result of several kinds of chaotic circuit are analyzed and compared. Thirdly, aiming at Chuas chaotic circuit, through debugging, the impacts by components and parts in the circuit, such as operation amplifier, capacity, inductor, etc, has been further investigated. And then provides a new scheme to implement Lorenz chaotic system, the circuit design and analysis are presented in detail and it can be realized by the hardware of programmable arrays FPGA, the experimental results indicate that this scheme has the advantages of easy operation, flexible design and high efficiency. An application example in secure communications is also provided. Finally, through picking up the characteristic parameter-Lyapunov exponent of the Chaos we can analyze the performance of different chaotic signal generators.

本文在混沌理论研究成果的基础上，对混沌信号的产生做了详细的分析，涵盖以下内容：首先介绍了混沌的定义，混沌信号的基本特性和各种判别方法，特别是对简单的一维Logistic映射的硬件实现问题做了初步探索；其次对混沌信号的产生方法进行讨论，借助于MATLAB、PSPICE、EWB等仿真软件，对几种混沌电路输出的混沌信号进行了分析比较，并在此基础上针对典型三阶连续自治系统Chua's电路作进一步实验研究，通过混沌电路调试，深入研究电路中各元器件，特别是运算放大器、电容、电感等对混沌信号时域以及频谱的影响；再次研究连续混沌系统的数字化硬件产生，设计了Lorenz混沌电路在现场可编程门阵列FPGA上实现的新方案，在保密通信中的应用实验结果表明该方案具有操作简单、设计灵活、效率高等优点；最后针对不同混沌系统，采取不同算法，提取混沌特性参数Lyapunov指数，进而对不同的混沌信号发生器的性能进行了分析。

Finally these characteristic point calculation a characteristic vector, person face characteristic in the database the vector proceeds to match.

最后把这些特征点计算成一组特征向量，同数据库中的人脸特征向量进行匹配。

This is the sixth year the pastry cake charity sale is taking place. But this year, the proceeds will go to school reconstruction in Sichuan.

这个爱心酥活动今年已经进入第六年，这次爱心酥的收入，将投入四川援建因为地震损毁的学校。

Charon uses your name to look up your password, then proceeds to build a ticket-grantingticket for you.

Charon用你的名字查找你的口令，然后生成一张票据授予票。

This text proceeds from the competitiveness current situations of Chine...

本文就是从中国企业的竞争力现状出发，结合中国国情，提出构建中国企业的核心竞争力。

Global finance and the popularization of network techniques in business make currency transfer more rapidly and clandestinely, especially when they are used in money laundering from criminal proceeds.

金融全球化和网络技术在商业中的普及使得金钱转移越来越迅速和隐秘，来自犯罪收益的黑钱对以上手段和方式的应用更是淋漓尽致，这在某种程度上促进了科技商业和犯罪的结合与发展。

Global finance and the popularization of network techniques in business make currency transfer more rapidly and clandestinely, especially when they are used in money laundering from criminal proceeds. To some extent, they promote technology and business combined with crimes.

金融全球化和网络技术在商业中的普及使得金钱转移越来越迅速和隐秘，来自犯罪收益的黑钱对以上手段和方式的应用更是淋漓尽致，这在某种程度上促进了科技商业和犯罪的结合与发展。

So, this text proceeds with characteristic of teaching of game, the game teaching of preliminary research employs the situation and employs the principle in the chemical classer , Hope to offer a teaching method of enlivening the atmosphere of the classroom for chemical classroom instructions of grade nine.

因此，本文从游戏教学的特点入手，初步研究游戏教学在初中化学课堂中应用情况及应用原则。希望能够为九年级化学课堂教学提供一个活跃课堂气氛的教学方法。

The generation of the corrupt behavior of service personnel and clean-fingered behavior depends on cost proceeds.

公职人员的腐败行为与廉洁行为的产生取决于成本收益。

According to international investment and financing requirements, your side, only to the Collingwood medicine Limited after the acquisition of the daily operation proceeds collateral.

按国际投融资标准要求，贵方只能以收购后的武德药业有限公司的日常经营收益权质押。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切