FaceGeometry

this file inculede CDMA codes and implemantion

说明：  spectrum sensing source code

用于二维平面的闭合曲线三次插值，通过给定的几个坐标点，完成闭合曲线的三次插值函数(Closed curve cubic interpolation for two-dimensional plane, through a given number of coordinate points, complete the closed curve cubic interpolation function)

快速傅里叶变换和小波包能量提取代码，可以对采集到的信号进行预处理。(Fast Fourier transform and wavelet packet energy code, can be collected signal preprocessing.)

数值计算基本算法 包括 拉格朗日插值，牛顿迭代 辛普森公式 高斯-雅可比迭代 厄米特插值多项式 最小平方逼近等(Basic algorithm for numerical calculation)

介绍matlab用法，一些简单的编程实例，与GUI的结合(Introduction matlab usage, some simple programming examples, and a combination of GUI)

说明：  能够进行电弧特性的仿真，对接地故障有一定的参考价值和意义(It can simulate the arc characteristics and has certain reference value and significance for ground faults.)

卫星通信信道链路参数计算与模拟.由于降雨对不同频段下的卫星通信造成不同的衰减，通过计算与模拟卫星通信信 道链路参数，可以设计出可靠性更高的卫星通信系统。(Satellite communication channel link parameter calculation and simulation. Due rainfall in different frequency bands for satellite communications under different attenuation caused by calculation and simulation of satellite communication channel link parameters, you can design a higher reliability of satellite communications systems.)

IEEE802.11n系统级仿真完整程序，引入了MIMO OFDM等技术，实现更高的吞吐率。(IEEE802.11n complete system-level simulation program, the introduction of MIMO OFDM technology to achieve higher throughput.)

用MATLAB编写的语音信号的短时分析，主要包括：分帧、短时能量、短时平均幅度、短时过零率、 wPqmRn函数、短时幅度差、倒谱、复倒谱 bAflVNH系数计等，是我多年调试通过的程序 (MATLAB prepared with short-term analysis of the speech signal, including: framing, short-time energy, short-term average amplitude, short-term zero rate,wPqmRn function, short-term amplitude difference, cepstrum, cepstral bAflVNH coefficient meter, etc. , is a program debugging through my years of )