matlab_cechaotiao

这是一个关机的小程序，其实作用不大，只不过是做来玩玩的。(This is a small program shut down, in fact, not very useful, just do to play for.)

with this mscripts we are enable to perform accurately pitch detection.first with short term zerocrossing and short term energy estimation analyses we find voiced regions and then with hps algorithm, find pitch values of utterance.

阵列信号用LCMV算法得到的波束形成，和图像(With LCMV algorithm are array signal beam-forming, and image )

Steady State FVM Temperature Diffusion CODE

FFT算法 在matlab中的实现 进行向量的计算(FFT algorith is relise in matlab and frequre amp phase)

说明：  无线中继协作下的AF、DF性能传输分析，信道采用的瑞利信道。(AF and DF performance transmission analysis under the wireless relay cooperation, Rayleigh channel adopted by the channel.)

线性调频信号是一种雷达常用的电磁波信号，当雷达信号检测到目标时候，反射后得到雷达回波信号(LFM signal is a kind of radar used electromagnetic signals, when the radar signal detection to the target, the reflection of radar echo signal after)

找指紋特徵點 並圈選出來的 matlab 程序(Matlab program to find the fingerprint feature points and circle out)

L-DE是一个“几何”差分演化差异,其行为不根据坐标系统。(L-DE is a "geometrical" Differential Evolution variant, whose behaviour is not depending on the coordinate system. )

该为matlab详尽学些资料第八章“数据分析”(Learn some of the detailed information for the matlab Chapter 8, " Data Analysis" )