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lvbo
- 先由原始图像（任选）产生待恢复的图像； 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩。 分别用逆滤波和维纳滤波恢复上面图像。 -First be the original image (optional) to restore the image to be generated the use of two-dimensional wavelet analysis of an image for two-layer wavelet decom
Butterworth
- 内含巴特沃思滤波器（Butterworth）MATLAB代码，分高通与低通两种情况，并用mesh显示滤波器的三维图-Containing Butterworth filter (Butterworth) MATLAB code, sub-high-pass and low pass both cases, with mesh filter of three-dimensional map display
反演解析算法
- 仿真获取四幅互差半个像素的低分辨率图像，利用反演解析算法重建出一副高分辨率图像，属于亚像元技术或者超分辨率技术。-Simulation Interoperability poor access to four half-pixel low-resolution images, the use of inversion algorithm for the reconstruction of an analytic high-resolution images, belong to sub-pixe
frequency
- Based on the frequency of single-chip design, can measure the number of low-frequency signal
WaveletTransform
- 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩.-The use of two-dimensional wavelet analysis of images for a 2-layer wavelet decomposition, and on this basis the low-frequency information extracted all levels to achieve image compression.
low_pass
- 设计一个低通滤波系统，任意输入三个频率使输入的信号中留下频率最低的 一个分量。-Designed a low-pass filter system, indiscriminate importation of the three input signal frequency so that left one of the lowest frequency component.
frequency
- 一种等精度的频率计，同时适合高频和低频，误差小。-A precision frequency meter, etc. At the same time, suitable high-frequency and low frequency, the error small.
filter0
- Useing the MATLAB command remez to obtain a low pass filter z(n) with a cutof frequency of 40 Hz at a sample rate of 1000 Hz.
svpwm
- 上海交通大学电气工程系DSP实践2009年示例程序，基于带低频补偿的恒压频比SVPWM开环电机调速系统程序，使用可调电阻与液晶作为人机界面。该程序在IGBT逆变桥上测试通过。开发使用MPLAB 8.30，调试使用I.C.E.-Electrical Engineering Department of Shanghai Jiaotong University in 2009 the practice of DSP sample procedures, with low-frequency-based
kekongfangda
- 用单片机AT89s52对可编程滤波器芯片MAX262 进行程序控制，可以同时对两路输入信号进行二阶低通、高通、带通、带阻以及全通滤波处理，滤波器的中心频率在15kHz～50kHz 频率范围内实现64 级程控调节，其Q 值在0.5～64 范围实现128 级程控调节。-In a simple, accurate, reliable, stable and universal principles, use of a hierarchical design to match the idea of i
digitalfilter_in_C_language
- We have to design a second order Butterworth filter having a sampling frequency of 20 kHz and -3db cut of frequency at 2 kHz in visual C. Only low frequency signals can pass through this filter and the signals having the frequency higher than frequen
WaveletImageFusion
- 该程序是用小波的方法对两幅图像进行融合。在低频系数对小波系数采用基于区域方差的加权融合方法处理,高频系数采用基于像素点小波系数绝对值取大的规则进行融合。该方法避免了图像融合过程中因平均化而出现的模糊现象, 融合后的图像内容更加清晰, 更容易识别。-The program realized to fuse two images by the method of wavelet. In the low-frequency coefficients of the wavelet coefficient
frequency-measured-under-mega16
- AVR mega16下的频率采集，高低频自动切换；所能测准的最高频率为70KHz-frequency sampling under AVR mega16,auto switching between high and low frequency the highest frequency which can be measured is 70KHz.
digitalfilter
- 设计产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理，分析所设计滤波器(画出了频率特性曲线)，并对信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency componen
RK
- Comparison of Runge Kutta Schemes (Classical, Low-storage, low dissipation, 3rd-order, 4th-order etc.. )
A-DCT-watermarking-algorithm
- 提出了一种在数字图像上实现的盲水印算法, 嵌入的水印是64 64 8 bit 灰度图。该算 法用宿主图像的8 8 分块的DCT 域低频对应系数, 进行量化取余的方法嵌入水印。-Proposes a new digital image watermarking algorithm implemented on the embedded watermark is 64 64 8 bit gra
low-frequency-signal-generator
- 实现基于单片机的低频信号发生器，程序完整，参考性好-MCU-based low-frequency signal generator
Low-frequency-AC-signal-measurement
- 低频交流信号测量系统 采用12864屏幕实时显示交流信号波形，并测量Vpp和频率-Low frequency AC signal measurement system 12864 screen real-time display of AC signal waveform, and measuring the Vpp and frequency
Simple-low-frequency
- 简易低频信号源设计，用来发出各种正弦波、三角波，等波形，实用-Simple low-frequency signal source design
combining-low-frequency-and-spread-spectrum-water
- combined low frequency with watermarking