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fliter
- 利用matlab实现图像的频域滤波,包括巴特沃斯低通、理想低通、高斯低通等-Using matlab for image filtering in frequency domain, including the Butterworth low-pass, ideal low-pass, Gaussian low-pass, etc.
123
- 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、fir和Lattice结构;IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, inclu
9927445TestTrec
- ASPSeek是一个C++编写的互联网搜索引擎,并使用了STL库。它主要包括一个检索机器人,一个搜索守护程序,和一个搜索前端(CGI或者是 Apache模块)。它大概可以检索几百万个URLs,来查找给定的短语和单词,并使用通配符,进行布尔搜索。搜索结果可以限定在给定的时间或站点,站点空间,并按照相关性或者时间进行排序(这里面使用了一些非常酷的技术)。ASPSeek可以应用于很多语言和编码中(甚至包括多字节语言如中文)。它为多个站点做了优化。(多线程检索,同步DNS查询, 按站点将结果分组, We
Autofocus
- 介绍自动对焦的文章主要介绍了对焦技术探测技术包括频域分析目标函数目标函数效能验证影像评估效能之因素高斯低通滤波器参数的选取自动对焦技术以及相关实验结果与分析-Introduction Auto focus of the article introduces the focus technology, detection technology including frequency domain analysis, the objective function, the objective fu
Auto focus
- 介绍Auto focus的文章,主要介绍了对焦技术,探测技术;包括频域分析、目标函数、目标函数效能验证、影像评估效能之因素、高斯低通滤波器参数的选取、自动对焦技术;以及相关实验结果与分析。-Introduction Auto focus of the article introduces the focus technology, detection technology including frequency domain analysis, the objective function,
code
- 三道题,包括1:用多层感知器(MLP)神经网络误差反向传播(BP)算法实现异或问题:2:用奇阶互补法设计两带滤波器组(高、低通互补),进而实现四带滤波器组 3:估计其功率谱-Three questions, including: 1 using multilayer perceptron ( MLP ) neural network and error back propagation ( BP ) algorithm to realize the XOR problem: 2: the odd
attack
- 为数字图像水印提供多种攻击方式,其中包括JPEG压缩、高斯低通滤波等多达十种攻击方式。-Offers a variety of attacks of digital watermarking ,including the jpeg compression, Gaussian low-pass filtering, up to ten different attacks
keshe
- 带通滤波器设计及其实现,例程包括带通通过,低通及高通截止。-Bandpass filter design and implementation, including band-pass through the routine, low-pass and high-pass cutoff
lvboqi
- 比较全的滤波器算法,包括低通滤波器和高通滤波器和混合滤波器和高斯滤波器-Comparison of the whole filter algorithms, including low-pass filter and a high pass filter and a hybrid filter and Gaussian filter
IIR
- 程序实现用脉冲响应不变法和双线性变换法设计IIR滤波器,包括低通滤波器和高通滤波器,其中采样点N=1600,采样频率Fs=10000.-The same impulse response and bilinear transform IIR filter design, including low-pass filter and a high pass filter, where sampling points N = 1600, the sampling frequency Fs = 1000
Digital-filter
- 数字滤波器的设计源代码和不同数字滤波器之间的过渡代码,包括数字低通滤波器到数字带通滤波器、数字低通滤波器到数字带阻滤波器、数字低通滤波器到数字高通滤波器、数字低通滤波器到数字低通滤波器-Digital filter design source code to code and transition between different digital filters, including a digital low-pass filter to the digital band-pass filt
Analog-Filter
- 模拟滤波器设计源代码,包括模拟低通滤波器、模拟高通,带通,带阻滤波器-Analog filter design source code, including analog low-pass filter, an analog high-pass, band pass, band stop filter
zhendongxinhaoshiyuchuli
- 对振动信号进行时域处理包括:频域低通,带通滤波,频域高通,带阻滤波-The vibration signal in time domain processing includes frequency domain low-pass, band-pass filter, highpass and bandstop filter,
Gauss_signal
- 高斯白噪声通过低通滤波器和带通滤波器的分析,包括结果截图-Gaussian white noise through the analysis of the low-pass filter and bandpass filter, including the screenshots
fir
- 各种不同FIR滤波器,包括低通,高通,带通-different FIR filter, includes Low, High, Band Pass filter
GIUandDIP
- GIU的综合应用,其中包括建立简单的GIU以及按键滑条等使用和图像处理的例子,包括图像的伽马变换,幂次变换,放大缩小旋转,各种高通低通滤波器(理想,高斯,巴特沃斯),通道变换等。(纯自己手写!!)-GIU comprehensive application, including the establishment of a simple GIU and slider buttons and other examples of the use and image processing, inclu
tsdzkqvm
- FIR 底通和带通滤波器和IIR 底通和带通滤波器,仿真效率很高的,结合PCA的尺度不变特征变换(SIFT)算法,包括 MUSIC算法,ESPRIT算法 ROOT-MUSIC算法,包含了阵列信号处理的常见算法,本科毕设要求参见标准测试模型。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, High simulation efficiency, Combined with PCA sca
shiyan
- 使用matlab编程实现滤波器的功能实现,包括低通、高通、带通滤波。-Using matlab programming to achieve the function of the filter, including low-pass, high-pass, band-pass filter.
yinxianggaoditonglvbo
- 这是一个音像高低通滤波MATLAB代码,其中包括巴特沃斯低通滤波,高斯高通滤波,高斯低通滤波,理想矩形低通滤波,理想圆形低通滤波-This is a sound image high and low pass filter MATLAB code, which includes Butterworth low-pass filter, Gaussian high-pass filter, Gaussian low-pass filter, ideal rectangular low-pass f
语音信号的采集与处理
- 1、语音信号的采集利用 Windows下的录音机,录制一段自己的话音,时间在1s内然后在Matlab软件平台下,利用函数wavread对语音信号进行采样,记住采样频率和采样点数。 2、语音信号的频谱分析在Matlab中,可以利用函数fft对信号进行快速傅立叶变换,得到信号的频谱特性,要求学生首先画出语音信号的时域波形,然后对语音信号进行频谱分析。 3、设计数字滤波器和画出其频率响应给出各滤波器的性能指标; 给定滤波器的性能指标如下: (1)低通滤波器的性能指标:fb=1000Hz,fc