EULERS-METHOD

这些主要是讲解数值积分算法的...通过MATLAB编程来实现这些算法(These are mainly on the numerical integration algorithm ... through MATLAB programming to achieve these algorithms)

说明：  直扩系统，适合学生毕业设计，结构简单，使用方便(DS system, suitable for graduate students to design, simple structure, easy to use)

总体经验模态分解（EEMD）的程序，适合初学者学习。(Overall empirical mode decomposition (EEMD) procedures, suitable for beginners to learn.)

The Levenberg–Marquardt Method

说明：  本次设计是对GSM TCH/FS信道进行编码设计及性能仿真,仿真通信系统包括内外编码器、交织重排器、加性/突发和混合干扰信道、去交织反重排器、内外译码器，模拟了信息从信源到信宿的全过程； 在高斯噪声、突发干扰或混合信道及瑞利信道下测试每个步骤对误码率和系统性能的影响，通过数字及图形的比较，得出通信系统中各个模块的作用。另外，在GSM TCH/FS 的基础上建立GSM TCH/EFS 信道，对相应的信道环境进行仿真，得出误码率分析。 (This design is the GSM TCH/FS channel encoded design and performance simulation, simulation communication system, including internal and external encoder, interleaving rearrangement device, the additive/burst and mixed interference channel, to the cutting device against rearrangement, internal and external decoding and analog information from the source to the destination of the whole process in Gaussian noise, sudden disruption or mixing channel and Rayleigh channel to test each step of the bit error rate and system performance, by comparison of digital and graphic obtained communication systems the role of each module. In addition, GSM TCH/FS based on the established GSM TCH/EFS channel, the corresponding channel environment simulation, the error rate analysis)

　Buck-Boost转换器转换周期轨道从混乱的状态,本文提出一种　　混沌控制方法通过改善电感电流和输出电压之间的关系。通过调整　　耦合强度,这种方法可以控制混沌周期2 Buck-Boost转换器,period-4,period-8轨道　　period-9轨道和周期3,时间6,不确定不稳定周期轨道(着)。(To transform the Buck-Boost converter the chaotic state to the periodic orbits, this paper proposes a chaotic control method by improving the correlation between the inductor current and the output voltage. By adjusting the coupling strength, this method can control the chaotic Buck-Boost converter to the period-2, period-4, period-8 orbits and the period-3, period-6, period-9 orbits, without determining the unstable periodic orbits (UPOs) in advance.)

功率谱估计 信号为两个正弦信号加高斯白噪声，各正弦信号的信噪比均为10dB，长度为N，信号频率分别为 和 ，初始相位 ，取 ， 取不同数值：0.3，0.25。 为采样频率。分别用Levinson递推法和Burg法进行功率谱估计，并分析改变数据长度、模型阶数对谱估计结果的影响。(Power spectrum estimation signal into two sinusoidal signals applied Gaussian white noise, the SNR of each sinusoidal signal are 10dB, a length of N, respectively, and the signal frequency, initial phase, take, take different values: 0.3,0.25. Is the sampling frequency. Levinson recursive method were used and Burg method for power spectrum estimation, and change the length of the data analysis, the impact on the estimation model order spectrum.)

介绍了关于模糊工具箱的应用，详细，直观，有助于了解与应用模糊算法(Information on the application of fuzzy toolbox in detail, intuitive, help understanding and application of fuzzy algorithm)

MATLAB函数参考 MATLAB函数参考 MATLAB函数参考(MATLAB function index MATLAB function index.doc MATLAB function index.doc)

transformation from an arbitrary state-space representation to the modal 2 state-space representation