NearestSymmetricPositiveDefinite

说明：  三弯矩插值法 lagrange多项式插值 多项式最小二乘法 龙贝格积分法 分段线性插值 三转角插值 这些是数值分析中常用的集中经典方法，运用matlab展示出来！(three polynomial interpolation Hangzhou least squares polynomial interpolation Romberg integration subparagraph Line sex angle interpolation three interpolation these numerical analysis is commonly used in concentrated classical methods, and use Matlab show!)

Quadratic Thresholding and Auto-Adaptive LUM Filter

盲源分离代码matlab程序，实现将信号源分离(Blind Source Separation code matlab program to achieve the signal source separation)

16qam的OFDM调制与解调，对ofdm信号的产生过程详细介绍，包含星座图(16QAM OFDM modulation and demodulation, ofdm signal generation process is described in detail, contains the constellation of FIG.)

ADAPTIVE HISTOGRAM EQUILIZATION

实现了对10个数字音的识别，部分实现了追踪测速迭代松弛算法，FIR 底通和带通滤波器和IIR 底通和带通滤波器。( To achieve the recognition of 10 digital sound, Partially achieved tracking speed iterative relaxation algorithm, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.)

BP算法，异或和认证，本人数据挖掘小作业(BP algorithm, XOR and certification, data mining operations)

这是一个采用MMSE方法实现的自适应空时多用户侦测程序，还有卷积子程序，侦测子程序，注释详细(This is a method used to achieve adaptive MMSE space-time multiuser detection process, as well as convolution subroutines, detection subroutine, comments in detail)

信号DOA的估计算法,学习空间谱估计的同学可以参考(the signal DOA estimation algorithm, learning spatial spectrum estimation can refer students)

伪谱法进行地震波场数值模拟，matlab编写(the method that forward seimology value)