risk456_3

MATLAB实现语音去噪处理，测试已经通过了(Speech Denoising MATLAB realize treatment, testing has been adopted)

对C++语言的反思，阐述c++语言的精髓，及基于作者多年编程经验总结的体会(think the core of c++ programming language)

This file is the programs of (chapter 9) of book (Modeling the Wireless Propagation Channel a Simulation Approach with MATLAB) which is related The Land Mobile Satellite Channel. It helps you to simulate The Land Mobile Satellite Channe.

杆与凸轮碰撞过程中，两者未分离时的摩擦力的变化，各种参数对摩擦的影响(The cam lever during a collision, when the frictional force changes both unseparated, the influence of various parameters on the friction)

说明：  无人直升机设计程序，作为典型无人直升机Z22的计算程序，可以作为近似 机型的设计参考(unmand helicopter design programs, typical unmand helicopter performace calculation program ,it is usefull for simular uav design.)

ESPIRT算法的matlab仿真，基于旋转因子不变形doa估计算法。只适用于均匀线阵。(ESPIRT algorithm matlab simulation, based on the rotation factor is not deformed doa estimation. Applies only to uniform linear array.)

MATLAB时频分析技术及其应用 葛哲学编着 pdf格式电子书(MATLAB time-frequency analysis technology and its application Gezhe science ed pdf format eBook)

please give matlab code

基于六自由度飞行动力动力学方程，计算火箭外弹道。(ased on the dynamics equation of flight dynamics of six degrees of freedom, the exterior ballistics of rocket is calculated.)

you can pass C++ objects between different MEX functions without first converting to a MatLab compatible format(you can pass objects between different C ME X functions without first converting to a MatLa b compatible format)