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.

本文在混沌理論研究成果的基礎(chǔ)上国产精品久久福利网站，對(duì)混沌信號(hào)的產(chǎn)生做了詳細(xì)的分析超碰操人妻网，涵蓋以下內(nèi)容：首先介紹了混沌的定義人人人人人人人人操人人人人人人人人，混沌信號(hào)的基本特性和各種判別方法日韩播放自拍视频在线观看网站免费，特別是對(duì)簡單的一維Logistic映射的硬件實(shí)現(xiàn)問題做了初步探索；其次對(duì)混沌信號(hào)的產(chǎn)生方法進(jìn)行討論操射网站，借助于MATLAB国产又粗又大又长免费视频、PSPICE、EWB等仿真軟件久久网性爱!，對(duì)幾種混沌電路輸出的混沌信號(hào)進(jìn)行了分析比較那有毛片网站，并在此基礎(chǔ)上針對(duì)典型三階連續(xù)自治系統(tǒng)Chua's電路作進(jìn)一步實(shí)驗(yàn)研究，通過混沌電路調(diào)試精品视频在线观看九九，深入研究電路中各元器件日韩大陆一区二区三区在线观看AV，特別是運(yùn)算放大器、電容欧美色色超碰、電感等對(duì)混沌信號(hào)時(shí)域以及頻譜的影響7777色综合；再次研究連續(xù)混沌系統(tǒng)的數(shù)字化硬件產(chǎn)生，設(shè)計(jì)了Lorenz混沌電路在現(xiàn)場可編程門陣列FPGA上實(shí)現(xiàn)的新方案亚洲人人级，在保密通信中的應(yīng)用實(shí)驗(yàn)結(jié)果表明該方案具有操作簡單国产在线播放线视频、設(shè)計(jì)靈活、效率高等優(yōu)點(diǎn)在线精品日韩一区二区美女；最后針對(duì)不同混沌系統(tǒng)中文一级免费视频，采取不同算法，提取混沌特性參數(shù)Lyapunov指數(shù)，進(jìn)而對(duì)不同的混沌信號(hào)發(fā)生器的性能進(jìn)行了分析中文欧美一区电影在线看。

In this dissertation, firstly, the theories and methods about chaos control and chaotic optimization are studied. Based above, some new approaches for chaos control and chaotic optimization are proposed. Furthermore, the application of chaotic optimization for test generation of combinational logic circuits is investigated in detail, and new methods for test generation are proposed based on chaotic optimization.

本論文在對(duì)混沌控制與混沌優(yōu)化的相關(guān)理論和方法進(jìn)行較為全面、系統(tǒng)的研究基礎(chǔ)上国产在线91播放精品，提出了一些新的混沌控制與混沌優(yōu)化方法人妻无码系列专区69影院，并針對(duì)混沌優(yōu)化與混沌神經(jīng)網(wǎng)絡(luò)在組合電路測試生成問題中的應(yīng)用展開了詳細(xì)研究，提出了基于混沌優(yōu)化的組合電路測試生成方法欧美性爱A片一级，得到了有價(jià)值的成果无码视频网站毛片一区二区。

Chapter four (application of chaos in measurement field): In this chapter firstly the sensitivity of initial values and parameters that chaos can be used in the measurement field has been analyzed quantitatively, on this basis, the necessary conditions of chaotic system that can be used in measurement are concluded and presented; then the mechanism of measurement implemented by subsection linear map chaotic system, the coordinating relationship between chaotic output signal and the values being measured, and the precision of system measurement are further analyzed quantitatively.

第四章（混沌在測量領(lǐng)域中的應(yīng)用）首先對(duì)混沌可用于測量領(lǐng)域的初值敏性和參數(shù)敏感性進(jìn)行了定性分析，在此基礎(chǔ)上999在线视频免费观，歸納并提出了可用于測量的混沌系統(tǒng)應(yīng)具有的必要條件黄色免费在线观看网站；定量地分析了分段線性映射混沌系統(tǒng)實(shí)現(xiàn)信號(hào)測量的基本原理、輸出混沌序列與被測量間的數(shù)值對(duì)應(yīng)關(guān)系及系統(tǒng)的測量精度等問題干操a毛片；并以DSP為核心設(shè)計(jì)了混沌型電壓測量系統(tǒng)乱女伦露脸对白在线播放；其次提出了混沌參數(shù)敏感性用于測量的基本思路，并對(duì)此進(jìn)行了計(jì)算機(jī)仿真及原理性實(shí)驗(yàn)電路設(shè)計(jì)国产AV永久无码精品网站。

Chapter four (application of chaos in measurement field): In this chapter firstly the sensitivity of initial values and parameters that chaos can be used in the measurement field has been analyzed quantitatively, on this basis, the necessary conditions of chaotic system that can be used in measurement are concluded and presented; then the mechanism of measurement implemented by subsection linear map chaotic system, the coordinating relationship between chaotic output signal and the values being measured , and the precision of system measurement are further analyzed quantitatively . And a chaotic voltage measurement system using DSP is designed. Secondly a basic thought that thesensitivity of chaotic parameters can be used in measurement is presented and simulated. Its theoretical testing circuits are designed.

第四章(混沌在測量領(lǐng)域中的應(yīng)用)首先對(duì)混沌可用于測量領(lǐng)域的初值敏性和參數(shù)敏感性進(jìn)行了定性分析五月丁香久久久，在此基礎(chǔ)上，歸納并提出了可用于測量的混沌系統(tǒng)應(yīng)具有的必要條件色哟色视频在线；定量地分析了分段線性映射混沌系統(tǒng)實(shí)現(xiàn)信號(hào)測量的基本原理欧美一级片黄色黄片、輸出混沌序列與被測量間的數(shù)值對(duì)應(yīng)關(guān)系及系統(tǒng)的測量精度等問題；并以DSP為核心設(shè)計(jì)了混沌型電壓測量系統(tǒng)视频色色色人妻；其次提出了混沌參數(shù)敏感性用于測量的基本思路新怡红院在线视频永久，并對(duì)此進(jìn)行了計(jì)算機(jī)仿真及原理性實(shí)驗(yàn)電路設(shè)計(jì)。

Chapter three (the methods of generating chaotic signal and its applications): In this chapter firstly the mechanism that a simple kinetic system, subsection linear map system, can generate chaotic phenomena is affirmed, the characteristics of correlation function of the chaotic signal generated by this system are simulated, on this basis a simple applicable method for generating chaotic signal is given; secondly some typical circuits generating chaotic signal are designed, also use operational amplifier to design a third -order autonomous circuit with chaotic dynamics. The basic mechanism and typical structures of chaos in the application of communication are introduced systematically and a simple method is provided for generating pseudo random code signal; At last Chaotic signal is applied into the analysis of system characteristic.

第三章(混沌信號(hào)產(chǎn)生方法及其應(yīng)用)首先針對(duì)一類簡單動(dòng)力學(xué)系統(tǒng)——分段線性映射系統(tǒng)能夠產(chǎn)生混沌現(xiàn)象的機(jī)理及由該系統(tǒng)所產(chǎn)生的混沌信號(hào)的自協(xié)方差函數(shù)特點(diǎn)進(jìn)行了證明和計(jì)算機(jī)仿真国产视频黄搜索，提出了軟件產(chǎn)生混沌信號(hào)的一種實(shí)用方法日韩经典国内精品视频在线观看免费；其次分析討論了幾種能夠產(chǎn)生混沌信號(hào)的典型混沌電路，提出了用運(yùn)算放大器與阻容元件實(shí)現(xiàn)三階自治混沌電路的基本原理插进成年女性的下体视频；概述了混沌在通信領(lǐng)域中應(yīng)用的基本原理和典型結(jié)構(gòu)亚洲av色噜噜，提出了產(chǎn)生偽隨機(jī)碼信號(hào)的一種簡單方法；最后將混沌信號(hào)用于系統(tǒng)的特性分析中免费让看的黄视频。

First, the traffic flow time series chaotic feature is extracted by chaos theory. pretreatment for traffic flow time series, and the wavelet neural networks model was build by this. Second, the chaotic mechanism and the chaotic probability is described. Based on chaotic learning algorithm, and the wavelet neural networks fast learning algorithm of traffic flow time series is designed based on chaotic algorithm. Last, a single-step and multi-step prediction of traffic flow chaotic time series is researched by BP neural networks, wavelet neural networks and wavelet neural networks based on chaotic algorithm. The results showed that the wavelet neural networks predictive performance is better than the BP networks and the wavelet neural networks by the simulation results and root-mean-square value.

首先亚洲玖玖在线视频，通過混沌理論提取了交通流量時(shí)間序列的混沌特征，并在此基礎(chǔ)上建立了小波神經(jīng)網(wǎng)絡(luò)交通流量時(shí)間序列模型国产一区二区三区在线视频；接著亚洲日本一区二区三区，闡述了混沌學(xué)習(xí)算法的混沌機(jī)理、混沌產(chǎn)生的概率电影小说二区激情图片区欧美性爱，設(shè)計(jì)了基于混沌算法的小波神經(jīng)網(wǎng)絡(luò)交通流量混沌時(shí)間序列快速學(xué)習(xí)算法欧美特级婬片毛多的；最后利用交通流量混沌時(shí)間序列對(duì)BP網(wǎng)絡(luò)、非混沌算法的小波神經(jīng)網(wǎng)絡(luò)以及基于混沌算法的小波神經(jīng)網(wǎng)絡(luò)進(jìn)行了單步預(yù)測和多步預(yù)測，并對(duì)預(yù)測結(jié)果的仿真圖和真實(shí)值與預(yù)測值的方均根進(jìn)行了比較在线观看黄片视频，結(jié)果表明基于混沌學(xué)習(xí)算法的小波神經(jīng)網(wǎng)絡(luò)的預(yù)測性能明顯優(yōu)于應(yīng)用BP網(wǎng)絡(luò)和非混沌算法的小波神經(jīng)網(wǎng)絡(luò)久久综合加勒比金八天国。

By the help of numerical analysis and graphic recognition, Duffing-van der Pol non-linear vibration system with 9 parameters has been researched, the Graphic User Interface contains initial conditions, 9 parameters, power spectrums, trochoid chart of phase portraits, Poincaré mapping, analogous dynamic graph of displacements and the analogous vibration graph of mass blocks, the various dynamic characteristics of the non-linear vibration can be attained, which makes it possible to fully implement the visualized computer experiments and study of Duffing-van der Pol non-linear vibration system.

因?yàn)?strong>混沌運(yùn)動(dòng)十分復(fù)雜，在研究和模擬混沌運(yùn)動(dòng)的過程中欧美性爱资源，不但要進(jìn)行大量的數(shù)值計(jì)算亚洲区欧美区综合区自拍区免，而且要將計(jì)算結(jié)果直觀地展示出來以便觀察混沌現(xiàn)象，完成這一任務(wù)非計(jì)算機(jī)不可一级特黄AAA大片在线看视频。自從洛倫茨利用計(jì)算機(jī)發(fā)現(xiàn)了第一個(gè)混沌吸引子以后丰满美女黄网站AV，30多年來正是有賴于計(jì)算機(jī)技術(shù)的發(fā)展，促使混沌的研究取得迅速的發(fā)展毛片视频在线免费观看。另一方面欧美操屄视频在线播放，混沌運(yùn)動(dòng)是確定性系統(tǒng)中出現(xiàn)的一種貌似隨機(jī)的現(xiàn)象，走向混沌有其獨(dú)特的過程www.1区，只有展示出它的演化過程人妻啪啪视频，才能很好地了解混沌運(yùn)動(dòng)。也就是說800AV凹凸视频免费观看网，混沌是一門關(guān)于過程国产系列熟女丝袜喷水、演化的科學(xué)而不是一門關(guān)于狀態(tài)、存在的科學(xué)欧美又粗又大精品视频。因此一级毛片免费视频，只有利用計(jì)算機(jī)才能將混沌的動(dòng)態(tài)過程和演化的方式真正地體現(xiàn)出來。

The development and significance of chaology are introduced firstly. The general requirement of communication system and the application potential in secure communication are expatiated. The chaotic secure communication methods home and abroad are also summarized, including chaos spread spectrum communication, chaos key-shifting, chaos parameter modulation, chaos masking, chaos CDMA. The exiting problems and development direction are also pointed out respectively.

介紹了混沌學(xué)的發(fā)展過程和意義欧美性爽交大全，闡述了通信系統(tǒng)的一般要求和混沌在保密通信中的應(yīng)用潛力欧美a级v片一区二区，綜述了國內(nèi)外現(xiàn)有的混沌保密通信方法，其中包括：混沌擴(kuò)頻通信jjzzwww，混沌鍵控18禁网站。，混沌參數(shù)調(diào)制，混沌掩蓋美女18禁止看的扒开奶罩网站，混沌數(shù)字碼分多址等五大類亚洲鲁在视频在线观看，指出了各自存在的問題和發(fā)展方向。

The following exciting results are revealed: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer and Static Var Compensator which can introduce positive damping in power system, the reasonability of system parameter values in simulation, the SNB surface and HB surface on the boundary of SSSR will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability. So the power system with mass shunt compensators is easily subjected to the oscillatory instability. In recent years, chaotic phenomena of power system have been reported many times. Some simulation studies even found chaos existing inside the power system SSSR. In this dissertation, chaotic phenomena in power systems are thoroughly studied in order to make clear the relation of chaos and SSSR. The following results are derived: 1 Based on Li-Yorke Theorem and their definition on the chaos, the existence of chaos in power system is verified; 2 Three possible routes of causing chaos in power system are found and deeply investigated. They are route of cascading period doubling, route of directly initial energizing and route of torus bifurcation (or quasi-periodicity). The latter two routes are investigated for the first time in power system stability studies; 3 When the stability conditions of chaos are broken, it is found they can lead to voltage collapse, angle divergence, or voltage collapse with angle divergence simultaneously.

針對(duì)在電力系統(tǒng)小擾動(dòng)穩(wěn)定區(qū)域內(nèi)可能存在混沌吸引域的有關(guān)報(bào)道性色av免费精品观看，本文深入研究了電力系統(tǒng)混沌現(xiàn)象的出現(xiàn)途徑和與系統(tǒng)失穩(wěn)模式之間的關(guān)系：1利用Li-Yorke定理和Li-Yorke的混沌定義俄国av在线播放，從理論上證明了電力系統(tǒng)混沌現(xiàn)象的存在性；2發(fā)現(xiàn)了電力系統(tǒng)中導(dǎo)致混沌出現(xiàn)的三種可能途徑：倍周期分岔導(dǎo)致混沌com视频自拍网、初始能量直接激發(fā)混沌和經(jīng)由環(huán)面分岔導(dǎo)致混沌日本一本之道高清不卡免，并對(duì)后兩種新發(fā)現(xiàn)的途徑進(jìn)行了較為細(xì)致的研究；3發(fā)現(xiàn)了混沌極限環(huán)破裂導(dǎo)致電壓崩潰欧美熟女精品视频、角度失穩(wěn)以及電壓崩潰和角度失穩(wěn)同時(shí)出現(xiàn)的現(xiàn)象男人的天堂最新网址，其中混沌極限環(huán)破裂導(dǎo)致系統(tǒng)角度失穩(wěn)和電壓崩潰及角度失穩(wěn)同時(shí)出現(xiàn)的現(xiàn)象均屬首次報(bào)道人人上人人操超碰；4證明由微分-代數(shù)方程描述的系統(tǒng)模型，其小擾動(dòng)穩(wěn)定域的邊界只包含HB亚欧综合在线、SNB和SIB三種分岔界面欧美乱交牲交乱频，在SSSR的內(nèi)部和邊界上，均不可能存在會(huì)導(dǎo)致混沌的點(diǎn)超薄丝袜脚交足免费播放，從而將混沌現(xiàn)象排除在小擾動(dòng)穩(wěn)定域的研究之外黑人又大又粗无码专区，簡化了后者的研究工作。

Based on the return map and the principle of closed vectors, a new method is proposed to extract unstable periodic orbits embedded in chaotic attractors. As examples, the UPOs embedded in chaotic attractors of Logistic, Hénon and Lorenz are extracted respectively by this method. And our results of Skewed Hénon map also be compared with Nusse's. These results suggest that this method is valid for unstable periodic orbits from period one to period infinite of arbitrary dimension chaotic system. The dynamic considerations of spiking and UPO coding for individual neuron and neural system under external periodic and chaotic exciting stimulus also be studied in this dissertation. A lot of spiking phenomena, such as synchronization, period, and chaos appear alternatively with the changing of the stimulus frequency. For the small stimulus frequency the neuron could completely convey the periodic signal in synchronous anti-phase into interspike intervals sequences. For the slow time–scale chaotic input, the output two ISI sequences are reciprocally related to input signals, and their oscillation wave shape in time course can be derived from that of the input signals variation, furthermore, the similar input sequence and order of UPOs, distribution of LES and value of KYD remain in attractors reconstructed from ISI sequences.

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