chap_02

文章讨论了利用超声以及一种物理模型来研究松质骨的健康状况。(A physical model for broadband ultrasonic studies of cancellous bone)

仿真（2，1，2）卷积码编解码器在二进制对称信道（BSC）中的误码性能，画出纠错后误码率-信道误码率曲线，其中，编码器的生成多项式为g1=[111]、g2=[101]。(imulation (2,1,2) convolutional encoding and decoding the binary symmetric channel (BSC) in the error rate performance, bit error rate after correction drawn- the channel bit error rate curve, which generated a number of encoder formula g1 = [111], g2 = [101].)

最新matlab2013b发布版的功能介绍，特别是一些新的功能模块，功能很强大(The latest release features matlab2013b introduction, especially some new functional modules, very powerful)

说明：  夫琅禾费衍射传播代码，任意字符屏夫琅禾费衍射仿真程序(Fraunhofer diffraction propagation code, any character screen Fraunhofer diffraction simulation program)

基于matlab的arma模型的拟合，没有参数的估计，需要自行估计好参数(Matlab arma model fitting parameter estimation, needs a good parameter is estimated)

This is code test to test the uploading features in this platform

主要仿真了汽车模型，pid控制模型，两个模型在一起的整合(The main simulation model of the car, the pid control model, the integration of the two models together)

useful to derive the bode plot simple structural formulae

逐行读取GPS观测文件中的信息，实现提取站坐标，L,P观测值等各项观测值，生成一个观测值矩阵。(GPS observation file line by line to read the information, to achieve extraction station coordinate, L, P observations and other observations, to generate a matrix of observations.)

此文件介绍了matlab的基础知识，适合于初学者进行学习，希望对大家有所帮助(This document describes the basics of matlab, suitable for beginners to learn, we want to help)