cancelling-noise

计算输入信号的功率谱密度和估计输入信号带宽并绘图(Evaluation of the single-sided ESD and frequency bandwidth)

带有时滞的DMC算法，可以修改参数，包括传递函数，优化时域，控制时域等等(DMC algorithm with Delay)

交错网格声波方程正演模拟，交错网格有限差分地震波场计算，二维的声波正演，利用空间10阶，时间2阶。(The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme)

直线电机滑模控制仿真，对直线电机滑模控制方法进行研究(Linear motor sliding mode control simulation of linear motor, sliding mode control method research)

基于卡尔曼滤波器的锂电池SOC预测，通过仿真并得到印证，证明了方法的可行性。(SOC prediction of lithium battery based on Calman filter)

Source coding Random code for MATLAB

Walsh method of analysis

基于增广矩阵束的L型阵列的二维DOA估计MATLAB程序(MATLAB program is based on two-dimensional DOA estimate augmented matrix L-shaped array of beams)

matlab 6.0 基本使用教程，介绍了一些matlab基本的使用环境和用法。(basic use of matlab 6.0 tutorial introduces the use of some basic matlab environment and usage.)

DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。(DFT spectrum analysis of a three phenomena, aliasing : continuous signal sampling, requiring continuous signal is band-limited, the sampling frequency should be high enough. Fs meet the Nyquist Sampling Theorem would not have aliasing. Sampling former low-pass filter plus anti-aliasing 2, spectrum leakage : DFT right time domain signal a disconnect (equivalent to a sampling signal by a window function). time domain is equivalent to the product of frequency-domain convolution, changes in the spectrum of the original signal. Window functions to switch to other (non-rectangular) to improve leakage. 3, fenced phenomenon : DFT spectrum is given only at the sampling point value, sampling points of the spectrum as lost.)