secant

matlab图像分割实例，K均值用于图像分割，割调用库函数实现，带注释，简单易懂(matlab image segmentation examples, K means for image segmentation, cutting calls library functions, with comments, easy to understand)

本文简要介绍了语音信号采集与分析的发展史以及语音信号的特征、采集与分析方法，并通过PC机录制自己的一段声音，运用Matlab进行仿真分析，最后加入噪声进行滤波处理，比较滤波前后的变化。(This paper introduces the voice signal acquisition and analysis of the history and characteristics of speech signals, sampling and analysis methods, and through a PC, record your own voice, use of Matlab simulation and analysis, and finally adding noise filtering, comparing before and after filtering change.)

qpsk 调制(qpsk )

说明：  matlab 电 子 书 -文件操作 (e-book matlab)

相控阵技术广泛应用于雷达、导航、声呐等领域，该文件为matlab及HFSS对相控阵的仿真，很经典(Phased array technology is widely used in radar, navigation, sonar and other fields, the file is matlab and HFSS simulation for phased array, classic)

协作频谱感知理论and和or的比较有程序(Cooperative spectrum sensing theory and and or program)

OFDM系统代码 整个系统的实现流程，matlab代码(OFDM code clc clear interleav_J=89 交织深度,卷积码长14952，交织长度168，这里要求交织后离散越大越好 Lp=4984 输入的0，1序列长度 Ts=20*10^(-6)/2048 ***************************************************** v=300/3.6 fc=0 c=3*10^8 )

内点法最优潮流，可计算118节点系统的交直流最优潮流(OPF interior point method, calculate the AC-DC OPF 118-node system)

利用有限差分算法实现动力学方程的求解单个球体在环形容器中运动分析(Finite difference algorithm for solving the dynamic equations in a single sphere in the circular movement of the container)

线性方程组的直接解法，其中包括追赶法，高斯消元法和高斯—赛德尔的编程方法(chase-after method program of Linear equations )