搜索资源列表
DFT进行频谱分析时的三种现象
- 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
fs
- 用于对图像进行反色处理,详细说明在源代码中有注释
fs
- 基于数字人彩色图像的三维重建算法研究.值得推荐,希望能帮助到大家
IIR_Filter
- function IIR_Filter(fpass,fstop,Apass,Astop,fs) %下面是设计高通数字滤波器代码
full_search
- full-search(FS)全域搜尋法用於MPEG的動態補償,內含開檔程式。
fs
- 2D图象处理程序,类似FRACTAL STUDIO功能不用说了非常强大,这是源代码-2D image processing procedures, similar FRACTAL STUDIO features a very powerful Needless to say, this is the source code
FS
- Full search for MATLAB
motionEstHFS
- 对块匹配中的全局搜索进行改进,只用搜索整幅图像的一半像素,与全局搜索(FS)相比,精度没有降低而时间减少了一半。-improved from full search, the matching time-consuming is nearly half of FS, but the matching accuracy is not reduced.
MEmy
- 分析了各种运动估计算法,包含FS,TSS,NTSS,4SS,DS,HS,CDHS,CDS等快速运动估计算法-Analysis of various motion estimation algorithms, including FS, TSS, NTSS, 4SS, DS, HS, CDHS, CDS and other fast motion estimation algorithm
GraphicsMagicPro.v1.4.5.FS
- 类photoshop的东东,供图像编程学习者学习。-Stuff like photoshop, picture programming for learners.
fs
- picture edit source code图像处理的源代码,对图片进行反色处理。
FS
- 简单实用的图像通信中的图像处理的全搜索算法源码-Search algorithm source image processing in a simple and practical image communication
fS
- 全搜索算法,基于matlab,可以直接调用-Full search algorithm
fs-kfdaP1.0
- 基于Fisher线性分析的分类器以及基于核fisher(KFDA)的非线性分类器-Fisher KFDA
FMCW_FS
- FMCW合成孔径雷达的FS成像算法matlab实现-FMCW SAR imaging algorithm matlab realize FS
myfft
- 求频谱的函数fft, x为输入信号,fs为采样频率,y为fft后的数据-The function of the spectrum fft, x for the input signal, fs for the sampling frequency, y is fft after the data
lbp
- lbp特征提取,多用于进行人脸识别,目前应用广泛,tinghao(ca sa d df f g h h gh g t re s s sss ss fw s fs fv f)
filter
- 低通滤波巴特沃斯低通滤波器的MFC程序,FS是采样频率,fp是截止频率,大家-Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off freq(Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off freq)
matlab
- 带通滤波器(Butterworth、椭圆、窗函数),采样率fs=2000Hz, 通带范围为300 -600Hz,阶数自选, 画出频率响应并分析比较, 对cameraman.tif图像分别添加椒盐噪声(密度为0.03)和高斯白噪声(均值为0,方差为0.02)的图像,利用三种方法进行去噪,显示原始图像、加噪图像和去噪图像并对实验结果进行分析(Band pass filter (Butterworth, ellipse, window function), sampling rate FS = 20
the-magnificent-seven_HI_english-1458976
- This observation suggests that the higher we select the more confidence we put in the function
