搜索资源列表
matchfilter_sin_signal
- 一个简单正弦信号经过匹配滤波后计算SNR,并绘制时频域图片-Calculated a simple sinusoidal signal after matched filtering SNR, and draw the frequency domain picture
image-enhancement
- 下载并读入被噪音污染的Noisychurch图像数据,用Matlab 编程采用下述方法分 别实现该图像的增强操作: 1) 用空域法实现图像的增强,分别采用如下模板操作:2x2 和3x3 的幅值为1 的模板,比较去噪和模糊的折中效果;采用3x3 的中值滤波器进行去噪操作; 采用Laplacian 模板[0 -1 0 -1 5 -1 0 -1 0]进行锐化操作。 2) 用频域法实现该图像的低通和高通滤波,选择合适的截止频率。 3) 用小波分析法实现该图像的低通和
Delphi_diff
- 图像中值滤波,9点转换的,只是简单的转换,基于频域的变换。-Image median filtering , 9:00 conversion , just a simple conversion based on frequency domain transform .
MATLAB
- 用MATLAB实现频域平滑滤波以及图像去噪代码,可以实现数字图像处理及去噪-Smoothing filter frequency domain using MATLAB and image denoising code can achieve the digital image processing and denoising
filter
- 空域滤波增强程序,频域增强程序举例,色彩增强程序举例-Spatial filtering enhancement procedures, frequency domain to enhance the program for example, color enhancement program example
04
- 对原图分别在频域内使用理想低通滤波器(选择任意截止频率)和理想高通滤波器(选择任意截止频率)和理想高通滤波器,再对其使用快速傅里叶变换,并输出修复后的图像的频率谱图。最后将高通滤波与低通滤波后的相加,输出,并与原图进行比较。-Respectively of the original image in the frequency domain using the ideal low-pass filter (choose an arbitrary cut-off frequency) and th
Signal-processing
- 对机械振动信号的预处理,以及滤波,频域变换等-The pretreatment of the mechanical vibration signal, and filtering, frequency domain transform, etc.
LPF-test
- 实现了频域低通滤波,包括高斯低通,理想低通,布特沃斯低通等-Frequency domain low-pass filtering, Gaussian low-pass, the ideal low-pass Butterworth low-pass, etc.
baseband-signal_ofdm
- 一个OFDM 基带信号,采用256点IFFT,子载波采用8PSK映射,加保护段,调制信号采用“削顶”方法降低PAPR,FIR 半带滤波,最后输出时域信号/频域响应。包含各级的视频域比较-An OFDM baseband signal, using the 256-point IFFT, the sub-carrier using 8PSK mapping, plus the protection section, the modulated signal " cut top"
Labview-Digital-Signal-Processing
- 5个源代码,用于数字信号的时域处理、频域处理和信号滤波处理。同时含有一个桌面时钟的源代码。 -5 source code, time domain for digital signal processing, frequency domain processing and signal filter processing. Containing a desktop clock source code.
harmonic-and-harmonic--packet
- 共包含四个文件: hamo_packet.m 谐波小波包子程序,输入参数为原信号序列,采频,分解层数,返回三维数组,存储各层各频带分解结果; harmopacktest.m 检验上述子程序可行性的m文件; harmonic wavelet analysis.pdf Newland关于谐波小波的原始论文; 20130329谐波滤波.docx 内附matlab程序和分析结果。对电机电流信号做了谐波小波分解,分别从时域和频域构造谐波小波,结果显示,频域构造的小波光滑性稍差。-Conta
Frequency_domain_filtering
- 图像频率域滤波处理,可用于图像频域的各种处理。-Image frequency domain filtering process can be used for various kinds of processing of the image in the frequency domain.
qualityMetricsCSF
- 基于人类视觉系统的融合图像质量评价算法, 频域CFS滤波,分区加权-The CFS filter for the frequency domain ,fused image quality evaluation algorithm based on human visual system, partition-weighted
matlab-kongyu--shiyu
- 空域滤波是在图像空间中借助模板对图像进行领域操作,处理图像每一个像素的取值都是根据模板对输入像素相应领域内的像素值进行计算得到的。空域滤波基本上是让图像在频域空间内某个范围的分量受到抑制,同时保证其他分量不变,从而改变输出图像的频率分布,达到增强图像的目的-failed to translate
tuxiang2
- 用MATLAB实现频域平滑滤波以及图像去噪代码-Frequency domain smoothing and denoising code using MATLAB
test1_4
- 利用matlab语言实现图像的频域增强,方法:理想低通滤波-Matlab language in the frequency domain of the image enhancement method: ideal low-pass filter
shengyinlvboqi
- 对声音的波形进行滤波,滤波器有IIR和FIR的类型的切换。还有对滤波后的进行时域和频域的分析及结果的显示。-The sound waveform filtering, IIR and FIR type filter switching. And filtered conduct time domain and frequency domain analysis and results displayed.
Sharpening-filter
- MATLAB 利用频域滤波器进行锐化滤波的代码-MATLAB using the frequency domain filter for sharpening filter code
tongtailvbo
- 同态滤波,图像处理代码,效果比较明显,自己修改实验参数可以得到更佳的实验效果,有频域分析。-Homomorphic filtering, image processing code, the effect is more obvious, their experimental parameters can be modified for better experimental results, a frequency domain analysis.
fbp
- 自己用matlab编写的滤波反投影重建程序,分别用空域卷积和频域乘积两种方式编写,滤波函数可以选择S_L或者R_L函数- filtered back projection reconstruction program, write in two types: airspace and frequency domain convolution , filter function can be selected R_L or S_L