搜索资源列表
DFT2D
- 采用OPENCV封装的图像二维DFT运算，通过该类可生成图像二维傅里叶变换矩阵，通过可选参数可调整生成傅里叶矩阵、傅里叶频谱同时可选择对数加强属性增强傅里叶频谱的显示效果。-OPENCV package using two-dimensional DFT computation of image, the image can be generated through such two-dimensional Fourier transform matrix generated by the op
fft2d
- 数字图像的傅里叶变换包括旋转平移后的原图及其频谱图。显示用的是三维坐标-Digital image, including the Fourier transform of the image after rotation and translation spectrum Fig. Show that using a three-dimensional coordinates
poweer
- CVI实时频谱测量，需用凌花采集卡硬件，可以实现频谱测量。-CVI Real-Time Spectrum measurements required Ling spent acquisition card hardware, spectrum measurement can be achieved.
histogrameq
- 傅里叶变换的源代码，并生成制定图像的傅里叶变换频谱-Fourier transform of the source code, and generate the development of Fourier transform spectrum images
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
LPM
- 用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum
fft_Matlab
- Matlab编程实现FFT变换及频谱分析的程序代码-Matlab Programming FFT transform and spectral analysis of the program code
virtual_spectrum_displays
- Visual c++编写主机端虚拟频谱显示仪！-Visual c++ to prepare the host-side virtual spectrum displays!
IMJPEG
- n×n子块的DTC图像变换及频谱特点。 熟悉JPEG基本系统的图像编解码方法。-n × n sub-block of the DTC and the spectrum characteristics of the image transformation. Familiar with the basic system of JPEG image codec method.
showDWT
- 用图片显示图像的各个频率段的小波信息，方便观察图像里的频谱分布-display the wavelet coeeficients in a image, it helps to observe the frequency distribution of a image
sin_noise
- 用C++实现图像处理去噪，去除正弦噪点，并进行频谱分析-Using C++ to achieve denoising image processing to remove the sinusoidal noise, and spectral analysis
TwoDimensionalFastFourierTransform
- 本实验要求开发一个2-D FFT程序包，使其可以应用于后续的几个实验。这个程序需要完成的功能是用因子（-1）^(x+y)乘以输入图像以实现滤波的中心变换，并还要求用一个实矩阵乘以一个复数矩阵通过调用两个图像的乘法程序来实现对应元素的相乘，同时计算反傅立叶变换，得到的结果乘以（-1）^(x+y)并取其实部最后计算频谱。实验中用到傅立叶变换的基本公式，通过实验我们可以更加深刻的理解频域滤波的基础。-The experiment calls for the development of a 2-D F
dsp
- 在数字信号处理中，滤波占有极其重要的地位。数字滤波是语音处理、图像处理、模式识别、频谱分析等应用中的基本处理算法。用DSP芯片实现数字滤波除了具有稳定性好、精确度高、不受环境影响等优点外，还具有灵活性好等特点。-In digital signal processing, filtering an extremely important position. Digital filter is the voice processing, image processing, pattern recog
Wiener
- 利用平稳随机过程的相关特性和频谱特性对混有噪声的信号进行滤波的方法-Wiener filtering
Matlab
- 语言信号的频谱分许和简单声音的合成与模拟-Language sub-spectrum signals in the voice of Xu and simple synthesis and simulation
wavefiltering
- 运用FFT对信号进行滤波，将频率为8-15Hz的波滤除，绘出滤波前后的振幅频谱以及滤波后的时间域信号-using FFT for wave filtering,
zzz
- 本文提出了一种与J PEG标准完全兼容的医用内窥镜图像自适应量化压缩编码方法,该方法 采用二次扫描的措施,根据原始图像的频谱分布特点,自适应地修正J PEG推荐的量化表。-This paper presents a fully compatible with the J PEG standards of medical endoscope image adaptive quantization coding method, which uses the second scan measure
low-pass-mask
- 方法引入低通掩膜算子在空域对降采样前的图像做滤波预处理,抑制欠采样噪声.系统...频谱混叠.实验证明,此算法基本能达到预滤波插值算法的处理效果.-Method of introduction of a low-pass mask operator in the airspace of the down-sampling the image before filtering to do pre-processing, noise suppression due to sampling. The s
Edgedetect
- 小波变换检测信号频谱边缘，利用多尺度小波模极大值法确定信号频谱边缘。-Wavelet transform edge detection of the signal spectrum, using multi-scale wavelet modulus maximum method to determine the edge of the signal spectrum.
voicebox
- 利用矩形窗计算短时语音信号的短时能量 及其频谱特性-Calculated using a rectangular window short-time speech signal power and spectral characteristics of short-term