Rate-1_3

数字通信（第四版），国外经典教材系列的中文版。(Digital Communication (Fourth Edition))

The crf conditions with the airport is a classification model,(The crf conditions with the airport is a classification model)

it is based on pv system.it is a hybrid powr system

说明：  该程序实现了语音数据转换，将一个 wav 格式的文件读入计算机，为语音信号的进一步处理做准备。(The program realize the speech data conversion. It can read a wav file into the pc, which put a way for the speech signal further study.)

Analyse error of imgage.

use matlab to complete a irr filter.many ways.

说明：  宽带、窄带AR模型，对于不同的N,P,SINR的谱估计的对比分析(Broadband, narrowband AR model, for different N, P, SINR Comparison of spectrum estimation)

paper written by kalman in 1960

说明：  某控制系统的开环传递函数的分析.绘制系统的闭环根轨迹，寻找系统临界稳定时的增益k，并分析其稳定性。(a control system of open-loop transfer function analysis. Rendering System is a closed-track, Find Critical stable gain k, and to analyze its stability.)

这是一个二分类器，可以分辨0到9这9个数，并且把1到9分辨为1，把0分辨为0。(This is a two classifiers can distinguish 0-9 number nine, and the 1-9 for a resolution, the resolution was 0 0.)