支持向量机的案例学习

DNA排序问题，其中包含了DNA排序的全部解决源代码并且附有说明(DNA sequencing problem, which contains the full DNA sequence and annotated source code to solve)

boost变换器是一种DCDC升压装置，使用及其广泛，而且性能稳定。该matlab仿真模型是电压模式控制下的boost变换器模型，保持输出电压稳定。该模型应用simulink仿真。效果挺好。(Boost converter is a kind of DCDC booster device, use and wide, and stable performance. The matlab simulation model is under the control of voltage mode boost converter model, keep the output voltage stability. )

自编的龙格库塔算法，方便学习数值分析的同学自学本算法，没有调用MATLAB自带的库函数。(the algorithm of numerical analysis, not the library function call MATLAB)

普通粒子群算法无法感知外界环境的变化，在外界环境发生改变时无法实时进行响应，因而缺乏动态环境寻优能力。在普通粒子群算法基本上通过增加敏感粒子得到一种动态粒子群算法，该算法通过实时计算敏感粒子的适应度值从而感知外界环境的变化，当外界环境的变化超过一定的阈值时算法以按一定比例更新速度和粒子的方式进行相应，从而具有动态环境寻优的功能。本案例研究了基于动态粒子群算法的动态环境寻优算法。

说明：  周克敏 鲁棒控制基础 （essential of robust control ） 部分习题(周克敏the basis of robust control (essential of robust control) part of Exercises)

1. 给一段原始的语音信号（可以是自己录制的一段语音），加上一频率为3.8kHz的高频余弦噪声和频率为3.6kHz的高频正弦噪声（幅度自己可以选择），用窗函数设计一滤波器（要求最小阻带衰减为50dB）对加噪后的语音信号进行滤波，画出滤波器的频率响应曲线，画出滤波前后的时域图和频谱图。 需要用到的函数： fir1 用窗函数设计FIR滤波器的函数 2. 用GUI设计一界面（如图1所示）完成如下功能： 1） 输入一语音信号，画出语音信号的时域图和频谱图； 2） 对语音信号加噪处理，画出加噪后的时域图和频谱图； 3） 给定滤波器的性能指标，采用几种不同的方法设计滤波器对加噪信后进行滤波，画出各滤波器的频率响应曲线，画出滤波后的时域图和频谱图。 (1. to some of the original speech signal (which can be a voice you record yourself), plus a cosine frequency of 3.8kHz frequency noise and frequency of 3.6kHz frequency sinusoidal noise (in the range that they can choose), with a window function to design a filter (requires a minimum stop band attenuation is 50dB) after adding noise to the speech signal is filtered, the filter frequency response curve to draw, draw diagrams and time-domain spectrum before and after filtering. Need to use the function: function fir1 with window function design FIR filter design 2. Using a GUI interface (Figure 1) complete the following functions: 1) an input speech signal, the speech signal in the time domain to draw graphs and spectrum 2) adding noise to the speech signal processing, draw diagrams and time-domain plus noise spectrum after 3) to set the filter performance, using several different methods designed to filter letter after adding noise filtering, draw the frequency response curve of each )

说明：  异步电机直接转矩控制系统框图，在matlab/simulink环境下实现了整个系统的仿真运行，学习直接转矩控制的必备资料。(Induction Motor Direct Torque Control system block diagram, in matlab/simulink environment to achieve the whole system simulation run, the direct torque control of essential learning materials.)

matlab环境下基于动态规划算法的语音识别系统！(Matlab environment based on dynamic programming algorithm Speech Recognition System!)

基于多种经典参数估计算法的窄带信号源DOA估计(for narrowband signals DOA estimation Based on a variety of classic algorithms )

JEPG压缩算法的matlab仿真，亲测可用，还可以和JEPG2000对比(Matlab simulation of JEPG compression algorithm)