dd1

Get the PSD with the covarianze method.

在matlab上实现电池充电是容量-电压曲线的绘制，采用计数法代替微分发技术(Implement matlab code on outputing capcity-voltage curve, which is ploted by counting point menthod instead of derivation )

说明：  噪声中正弦信号的现代法频谱分析，分析了自相关法、Burg法、协方差法和改进的协方差法对功率谱的影响以及阶数、信噪比、窗长度对自相关法频谱分析的影响。(The influence of autocorrelation method, Burg method, covariance method and improved covariance method on power spectrum and the influence of order, signal-to-noise ratio and window length on the spectrum analysis of sinusoidal signal in noise are analyzed.)

模拟出一个雷达系统的匹配滤波器，并给出脉冲压缩的结果(Simulate a radar system, a matched filter, and gives the result of pulse compression)

matlab库函数命令大全word文档，包括常用系统指令，运算操作符，和各类系统函数。(matlab library function the command Daquan word document, including the commonly used system commands, arithmetic operators, and various types of system function.)

matlab code for Making Surface Plots From Scatter Data

改程序可以实现任意阶的伪随机序列的产生，并且以文本格式保存起来，方便查看和调用(Reform program can generate pseudo-random sequence of arbitrary order, and saved in text format for easy viewing and calling)

电磁场时域有限差分数值计算，二维完全匹配层程序(FDTD 2D PML)

利用射线追踪法实现地震波场层析成像.在石油行业中,此过程是地震资料应用的一个重要步骤(The use of ray tracing method to achieve seismic wavefield tomography. In the oil industry, this process is the application of seismic data as an important step)

bdf file reader wit will read bdf file