p3weifit

将数字信号转换为模拟信号的电路称为数模转换器（d/a转换器或dac）(digital to analog converter)

说明：  matlab主成分分析代码，可直接修改参数即可运用于建模(Matlab principal component analysis code)

Heart rate and QRS complex detection for ECG in MATLAB.

一个ADS-B系统报文结构的仿真程序，可以生成ADS标准下得各种报文(ADS-B system, a message structure of the simulation program, ADS can be generated under the standard have a variety of messages)

generation of linear frequency modulation signal in matlab and how to use it in the process of the gound penetrating radar

说明：  给出RS编码和译码的原理 以及解决方案，特别是硬件的一种解决方案，值得这一方面的人员研究。(RS gives the principle of encoding and decoding as well as solutions, in particular, a hardware solution, it is this aspect of research staff.)

通过选择合适的参数，选取采样相应的采样点，进行参数计算。(By choosing appropriate parameters, select the corresponding sampling point sampling for parameter calculation.)

3d pml fdtd with point source

QPSK的调制解调系统的实现，程序详细给出了调制解调各个部分的方法。自己在matlab上实现过，都出来了(QPSK modulation and demodulation system implementation, the program details the various parts of the modulation and demodulation method. Their implementation in matlab too, are out)

algorithm segmentation region growing