DSP

应用牛顿法和二分法解高次方程，可以显示过程( it can solve hard questions )

在多径信号下的采用toeplitz来进行矩阵重构，对信号到达角进行估计(Using Toeplitz matrix reconstruction, DOA estimation under multipath signals )

数值分析方法的应用研究 有限差分法求解电磁场微分方程(Study on numerical analysis method of finite difference method for electromagnetic differential equations)

SPXY 一个用于化学计量学分析中样本选择的方法(spxy is a method called sample set partitioning based on joint x-y distances)

欧式看涨和看跌期权价格的二叉树求解以及平价法则的验证.(European call and put option prices binary tree solving and verification of the parity law.)

this file have simple demodulation program for qpsk demodulation. it will give the bit of stream after demodulation of qpsk (quadrature phase shift keying) wave.

用小波去噪，不同尺度下的阀值去噪，去噪效果的对比很不错(Using wavelet denoising, different scales of threshold denoising, contrast denoising effect is very good)

说明：  把信号用数字或符号表示成序列，通过计算机或通用（专用）信号处理设备，用数值计算方法进行各种处理，达到提取有用信息的目的。(The signal using numbers or symbols into a sequence that, through the computer or general-purpose (dedicated) signal processing equipment, numerical calculation using a variety of treatment methods to achieve the purpose of extracting useful information.)

介绍线性预测编码(LPC)及其基本原理，由语音信号常用的全极点模型的传递函数推导出线性预测方程，(Introduction of linear predictive coding (LPC) and the basic principles of commonly used by the speech signal transfer function of all-pole model of a linear prediction equation is derived,)

Genetic algorithm feature selection by using Logistic Regression