搜索资源列表
imgprocCGsignalproc
- BMP图像处理程序,包括模拟信道产生的高斯加性噪声;图像灰度变换;图像的拉普拉斯边缘提取;中点滤波法的debluring;图像线性模糊。 图形显示函数,包括DDA方法画直线;中点裁剪法;liang-barsky算法的窗口裁剪;种子填充算法; 随机信号处理程序,包括产生正态分布、均匀分布样本;计算其均值与方差;各样本的概率分布直方图分析;功率谱分析;样本叠加的PSD分布分析。-BMP image processing procedures, including analog channel
xiaobofenjie
- 三个函数信号叠加,进行小波分解,提取近似信号与原信号比较-Superposition of three functions signals, wavelet decomposition, similar to the signal extraction compared with the original signal
Pisarenko_music_esprit
- 分别用Pisarenko谐波估计法、MUSIC算法和ESPRIT算法对三正弦叠加高斯白噪声信号源进行频率估计,附件中有代码说明,编译环境为matlab。-Respectively Pisarenko harmonic estimation, MUSIC algorithm and the ESPRIT algorithm superimposed on the three sine Gaussian white noise signal source for frequency estimati
YCrCb_detect
- YCrCb即YUV,其中“Y”表示明亮度(Luminance或Luma),也就是灰阶值;而“U”和“V” 表示的则是色度(Chrominance或Chroma),作用是描述影像色彩及饱和度,用于指定像素的颜色。“亮度”是透过RGB输入信号来建立的,方法是将RGB信号的特定部分叠加到一起。“色度”则定义了颜色的两个方面─色调与饱和度,分别用Cr和CB来表示。其中,Cr反映了RGB输入信号红色部分与RGB信号亮度值之间的差异。而CB反映的是RGB输入信号蓝色部分与RGB信号亮度值之间的差异。-YCr
Sine-signal-superposition
- 分别画两个频率不同的正弦信号及他们叠加的信号,y1、y2及他们的叠加信号进行采样,进行傅里叶变换,幅频图,频谱图-Videos two sinusoidal signals of different frequencies, and their superimposed signal, Y1, Y2 and their superimposed signal to be sampled, the Fourier transform, amplitude and frequency diagram
example_yingyuzhi
- 小波变换,硬阈值降噪,产生原始信号,在原信号中叠加入高斯白噪声,信号重构-Wavelet transform hard threshold noise reduction, resulting in the original signal, stacked Gaussian white noise to the original signal, signal reconstruction
MB90092_DEMO
- MB90092字符叠加芯片,源码,具有多种信号输入-MB90092 the characters superimposed chip, source code, with a variety of signal input
shiyan3
- 产生16路信号,画出16路原始信号的频谱叠加图以及滤波器响应,并画出结果信号的时域和频域波形-Generate 16-channel signal, draw 16 original signal spectrum overlay and a filter response, and draw result signals in time domain and frequency domain waveforms
The-Fourier-transform
- 将时域信号分解为不同频率的正弦信号或余弦函数叠加之和。连续情况下要求原始信号在一个周期内满足绝对可积条件。-The time-domain signal into different frequency sine or cosine function signal superimposed sum. Required to meet the continuous case the original signal is absolutely integrable conditions in a s
zaosheng
- 惯性传感信号的动态信号,获取噪声的方式,在正弦信号上叠加一个噪声-Dynamic signal inertial sensing signal to obtain noise way, in a sinusoidal noise signal is superimposed
Digital-Watermark
- 嵌入水印可以看作是在强背景(原始图像)下叠加一个弱信号(水印)。该程序是基于小波变换的数字水印嵌入程序。-Embedded watermark can be seen as a superposition of a weak signal (watermark) in Strong (original image) under. The program is based on wavelet transform digital watermark embedding program.
MATLAB--example3
- 02 正弦信号的叠加合成;合成f 50Hz,幅值为3的方波- 02 sine signal synthesis Synthesis of f 50 hz, square wave amplitude is 3
FFT
- 经过傅里叶变换,则可获得图像的“频域”空间。利用“化繁为简、化整为零”的思路,将一个复杂信号分解为一系列“简单”信号(或称基元信号)的特定组合(叠加)。 -After Fourier transformation, the aerial image can be obtained " in frequency domain." Using the " simplify, piecemeal" ideas, the complex signal into a
shiyan
- 利用0度和90度刺激下的内源性脑光学成像数据,获得大脑视觉皮层的方位功能柱,涉及的方法包括图像相减,叠加平均等; 对方位功能柱图像进行滤波处理,采用不同滤波方式(空域滤波和频域滤波)比较不同滤波下图像功能柱信号(Using the brain optical imaging data stimulated by 0 and 90 degrees, the functional column of the visual cortex of the brain is obtained. The