FDTD_2D_PML

time difference of arrival application for wireless sensor networks

雷达系统MTI延迟对消器实现程序，对理解雷达动目标检测很有帮助(MTI radar system delay cancellation in implementation process, is of great help to understand the radar moving target detection )

几个有关通信系统的matlab程序,有关信号，包含：a,对抽样频率为90kHz的信号进行下抽样抗混叠滤波器设计的程序，b,信号抽样率转换的程序，c,通过补零内插对信号进行下抽样，分析抽样对信号频谱的影响的程序(Some matlab programs about communiction system,mainly about signal,a,program about filter to signal sampling without aliasing ,b,transfering signal sampling rate,c,zeros-added sampling,with its influence of phase-frequency。)

小波变换进行图像压缩 采用matlab编程 (Wavelet transform for image compression Using matlab programming)

说明：  GMM的优化，用EM算法实现高斯混合模型(GMM optimization algorithm EM)

计算中间接轴在正弦激励下的动态特性，最大剪切应力、最大等效应力、弯曲应力等。(Axis in the calculation of indirect dynamic characteristics under sinusoidal excitation, the maximum shear stress, the maximum equivalent stress, bending stress and so on.)

谱峭度工具箱，用于轴承诊断，可以直接得到峭度谱，简单实用。(Spectral kurtosis toolbox for bearing diagnostics, can be obtained directly kurtosis spectrum, simple and practical.)

gauss消去法解线性方程组，系数矩阵A存放于数组A中(Gauss elimination method solving linear equations, A of the coefficient matrix A stored in an array)

实现的维纳滤波的程序 性能 不错 希望对大家有所帮助。(Wiener filtering process to achieve a good performance we want to help.)

三机九节点simulink仿真电路图包含详细的参数和模型(Three machines nine simulink simulation circuit node contains detailed parameters and models)