Com1_project1

按照A13律编码对一个离散序列对信号进行编码，通信原理(encode by A13-law)

用来实现二维离散傅里叶变换的简单实用程序，在matlab中能快速得到理想结果(To realise 2-D Discrete wavelets transform，easily and effective to reach the ideal result we want！)

时间序列分析，采用了最小二乘（LS）与自回归(AR)的组合模型，并用MATLAB将其实现(Time series analysis, using a least-squares (LS) and autoregressive (AR) model combination and its implementation using MATLAB)

在MATLAB环境下，对相位图和滤波后的图片进行三维展示。(In the MATLAB environment, the phase diagram and filtering after pictures for 3 d display.)

一个对C的库函数比较全面的收集，方便编程人员的查看和参考(a collection of C lib funtions, it covers most C lib functions)

本PDF是对QPSK调制方式的完美解释，非常适合初学者学习，有了本材料，QPSK对你将是小菜一碟(This PDF is the perfect QPSK modulation to explain, very suitable for beginners to learn, with this material, QPSK will be a piece of cake for you)

Gravitational Search algorithm

根据自己的需求随意作出二维曲线图，只需要用鼠标在坐标系中点击即可。(Free to make a two-dimensional graph according to their own needs, just use the mouse to click in the coordinate system can be.)

在matlab中的ofdm的编程，包括数据生成，调制，数据传送，频道干扰，解调，数据接收，并且计算误码率，把误码率用图像的形式表现出来。(In the OFDM matlab programming, including data generation, modulation, data transmission, channel interference, demodulation, data receiving, and calculating the BER, the BER image forms.)

Image transformation by using fft