lele

The document describes seismic signal processing. Main function is to extract the edge of the seismic signal.

使用matlab利用一定的约简方法实现形式背景的约简和概念格的还原。(Using matlab Reduction Method using certain forms of background reduction and the reduction of concept lattices.)

this program gives the idea about how image is represented in different plane in an 8bit mode.

用matlab模拟电场线绘图，四个单位点电荷，电荷性质可改变。(Drawing electric field line simulation using matlab)

matlab代码去处理一个很大的矩阵 判断是否为特定矩阵(matlab code matrix)

深度图像遮挡边缘检测，平均曲率法，Matlab 7.0开发(Depth of the image edge detection block, the average curvature, Matlab 7.0 development)

《MATLAB 7.X程序设》（中国水利出版社）一书的ppt教案。对初学matlab语言的同学会有所帮助。内容包括：matlab概述、matlab运算基础、matlab程序设计、数值计算、符号计算、matlab绘图、Simulink仿真环境、Notebook(" MATLAB 7.X established procedures" (China Water Conservancy Press) First book of lesson plans ppt. Matlab for beginner language students will be helpful. Include: matlab outlined, matlab basic computing, matlab programming, numerical computing, symbolic computation, matlab graphics, Simulink simulation environment, Notebook)

1 设计一个ＦＩＲ数字低通滤波器， 满足一组模拟滤波器的指标参数；分别采用三角窗、hamming窗、blackman窗和kaiser窗进行设计。比较不同窗的设计效果。要求描绘滤波器的脉冲响应、窗函数以及滤波器的幅频和相频响应曲线。 2. 用上述设计滤波器完成几组给定信号的滤波。 3.设计数字高通、带通、带阻滤波器，要求描绘滤波器的脉冲响应以及滤波器的幅频和相频响应曲线。 (1、A design of a FIR digital low-pass filter, analog filters to meet the target of a group of parameters were used triangular window, hamming window, blackman windows and kaiser window design. Window to compare different design effect. Requirements described impulse response filter, window function and the filter amplitude-frequency and phase frequency response curve. 2. Using the above filter was designed to complete several sets of a given signal filtering. 3. Design of digital high-pass, band pass, band-reject filter, the filter impulse response described demand as well as the filter amplitude-frequency and phase frequency response curve.)

说明：  Matlab code source about modeling DC motor

用hht实现对电力系统中电压sag 和swell 的分解辨识。 宽展了hht电力系统稳定上的应用 (using HHT to analysis power systerm disturbance-sag and swell)