E42

this ring buffer sample.

基于KL25的开发例程，本例程关于异步通信，附带相关底层构建，十分适合初学者参考编程。(Based on KL25 development routine, the routine of asynchronous communication, with related underlying build, programming is very suitable for beginners reference.)

OFDM仿真程序MATLAB 接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。具体的帧结构，以及定时估计，频偏估计，剩余误差跟踪的算法可参考算法说明文档(MATLAB simulation program OFDM receiver algorithm and procedures used in processes and the sending end to send the frame structure of OFDM symbols are. Concrete frame structure, as well as the timing estimation, frequency offset estimation, the remaining error tracking algorithm algorithm can refer to documentation)

DTMF decode for Telephony

简单的频率调制FM没有更多功能简单的频率调制FM没有更多功能简单的频率调制FM没有更多功能(FM MODULATION)

利用FDTD软件计算纳米材料的吸收、散射(we use FDTD methord to simulate the absorption and scattedring cross section)

MATLAB 命令大全，介绍了在matlab编程中常用的一些命令，为初学者提供便利(MATLAB command Daquan)

实现二维码的生成,主要是基于Zxing二维码(generate Qr_code)

这个函数提供灰度拉伸功能，输入图像应当是灰度图像，但如果提供的不是灰度图像的话，函数会自动将图像转化为灰度形式。x1，x2，y1，y2应当使用双精度类型存储，图像矩阵可以使用任何MATLAB支持的类型存储。(This function provides a gray scale stretching function of the input image should be grayscale image, but if not provided, then gray image, the function will automatically be converted to grayscale image form. x1, x2, y1, y2 should use double precision storage, image matrix can store any type of MATLAB support.)

一款RS缩短码的源代码，可修改其中主程序的数据变任意一种RS码的编码器，此程序经多次验证均正确，且采用标准代码格式描写，易读。(A shortened RS code source code, which can modify data in the main program code change any of the RS encoder, this procedure has been repeatedly verified are correct, and the use of standard code format description, easy to read.)