tiuhen_v66

快速傅立叶变换的matlab实现，一维情况下利用蝶形算法实现(Fast Fourier Transform Implementation of Matlab, a dimension of the use of butterfly Algorithm)

SEGY是指地震数据模式。SEG-Y格式是由SEG 提出的标准磁带数据格式之一，它是石油勘探行业地震数据的最为普遍的格式之一。本文介绍了SEGY格式与SU格式之间的转化，SEGY格式数据的处理，及相关函数(SEGY is a seismic data format.This paper introduces the transfer between SEGY and SU, the processing of SEGY data and some related functions. )

Hilbert 变换测试 适合新手对Hilbert变换的理解(Hilbert Transformation)

对于想要学习matlab应用的朋友，能从这份国外计算机科学经典教材之MATLAB科学计算中获得启发。(For those who want to learn matlab application friend from abroad this MATLAB scientific computing in computer science inspired by the classic textbook.)

su随机函数的生成，可用于数学和通信等过个领域，采用一般的生成方法(su random function generator that can be used such as math and communication areas, using the general method of generating)

通过此程序可得到二维坐标系中的油膜力及其分布曲线，使用者可更改设计变量观察油膜力的曲线变化(This program can be obtained by curve film strength and profile of the two-dimensional coordinate system, the user can change the design variables observed oil film force)

说明：  function result = apm(results1,results2) %

说明：  用于语音识别的DTW算法，衍生到地震信号对齐。其中还有一些测试程序。(DTW algorithm for speech recognition is derived from seismic signal alignment.)

说明：  AWGN信道下高斯噪声干扰下GPS编码译码系统性能仿真，同时进行了误码率的仿真(AWGN channel Gaussian noise jamming GPS system performance codec simulation, at the same time the BER simulation)

首先对图像进行非线性灰度变换滤除噪声，然后利用最大类间方差阈值技术对处理后的图像进行二值化处理，最后利用积分投影定位人眼(First to utilize non-linear gray-scale transformation to filter out noises, then adopts the between-cluster variance threshold segmentation method for image binarization processing, finally using integral projection technology to pinpoint the human eye)