matlabcodes

finds zero crossings of a speech signal

matlab source code for adaptive threshold

winner2信道，多输入多输出无线通信的信道模型仿真(winner2 channel, multi-input multi-output wireless communication channel model simulation)

用四元数法的捷联惯性导航姿态解算程序。可以快速准确得到数据。(With the quaternion method Inertial attitude solver. You can get fast and accurate data.)

Image Enhancement 图像扩展，提高 基于matlab环境(Image Enhancement Image expansion, improve the environment based on matlab)

用MOM方法数值计算二维导体柱散射问题，值得下载(MOM method using two-dimensional conducting numerical scattering problem, it is worth downloading)

《最优化方法及其Matlab程序设计》较系统地介绍了非线性最优化问题的基本理论和算法，以及主要算法的Matlab程序设计，主要内容包括（精确或非精确）线搜索技术、最速下降法与（修正）牛顿法、共轭梯度法、拟牛顿法、信赖域方法、非线性最小二乘问题的解法、约束优化问题的最优性条件、罚函数法、可行方向法、二次规划问题的解法、序列二次规划法等。(" Optimization Methods and Matlab programming" more systematic introduction to the basic theory and algorithms nonlinear optimization problem and the main algorithm Matlab programming, the main contents include (exact or non-exact) line search technique, the steepest descent method and (corrected) Newton method, conjugate gradient method, quasi-Newton method, trust region methods, solution of nonlinear least squares problems, constrained optimization problem optimality conditions, penalty function method, feasible direction method, quadratic programming problems The solution, the sequential quadratic programming method.)

实现QPSK系统性能仿真，仿真与理论相符，供大家参考！(QPSK System Simulation, Pe evaluation)

可以读入.mav格式的音频文件，同时可以仿真出此音频文件的时域及频域的波形图，加入噪声后，可以仿真出加噪后的音频时域及频域波形，并保存新的音频文件。(Mav format audio files that can be read into simulation time domain and frequency domain waveform diagram of audio file, you can add noise simulation time domain and frequency domain waveform plus noise audio, and save the new audio files.)

风力发电机组功率曲线画图程序,准备10分钟机组运行数据，对程序中的读取数据的语句进行改正，便可调试使用(wind turbin power curve)