Spreading-factor

说明：  张贤达《现代信号处理（第二版）》习题与解答(Xian-up &quot Modern Signal Processing (Second Edition)&quot problem sets and answers)

数字信号发生器，可以产生各种常用波形，如三角函数，正弦函数，白噪声等。是基于matlab的虚拟仪器。(Digital signal generator, can produce a variety of commonly used waveforms, such as trigonometric functions, the sine function, white noise or the like. Virtual instrument based on matlab.)

OFDM过程的仿真程序，数字调制方式为QPSK(OFDM simulation program, in the process of digital modulation methods for QPSK)

关于遗传算法简单入门的一些小程序，有选择、交叉、变异的函数(On the simple introduction of genetic algorithm some small programs, there is a choice, cross, mutation function)

how to find a suitable formulation about a plot we can use fiiting tools in matlab this file is a example of my work

浅水波方程的源代码，是基于matlab开发的很好(shallow water equation,based on matlab ,ti is very good)

energy efficient leach protocol for wireless sensor networks.

A Fragile Watermarking Scheme for Image Authentication with Tamper

该程序能够对得到的重力场数据进行垂向求导，对于重力数据处理很有用。(The program can be on the gravity field data were obtained for the vertical derivative of gravity data processing, very useful.)

说明：  SHP格式的飓风数据 SHP格式的飓风数据 SHP格式的飓风数据 SHP格式的飓风数据(SHP SHP format data format of Hurricane Katrina data in SHP format Hurricane Katrina data in SHP format data)