fft

tekstovi.net html tekst -->txt 03.02.2008. tekstovi15.m

说明：  这是基于负熵方法的音频信号分离的固定点独立分量分析方法的Matlab程序。(This is based on negative entropy method of audio signal separation of fixed-point independent component analysis of the Matlab program.)

说明：  8psk调制解调的源码。给出调制前后符号的星座图和相关波形，指标对比。(8psk modulation and demodulation of the source. Given before and after the symbol constellation modulation and associated waveforms, index contrast.)

MATLAB源码，P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运用5种不同的梯度增强法进行图像锐化 P0310：图像的高通滤波和掩模处理 P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理(MATLAB source code, P0301 : Digital image data matrix display and Fourier Transform P0302 : Two-dimensional discrete cosine transform image compression P0303 : Gray used a new method to enhance the contrast of the image P0304 : histogram equalization P0305 : Simulation images by white Gaussian noise and Impulse noise impact P0306 : 2D median filtering function medfilt2 right by the Salt and Pepper image noise filtering P0307 : MATLAB filter2 the function of noise interference by the image filtering P0308 : Image Adaptive Filter Weiner P0309 : use five different gradient Enhancement Act for image sharpening P0310 : Images of the high-pass filtering and mask handling P0311 : use Butterworth (Butterworth) low-pass filter to noise interference by the image smoothing P 0312 : Butterworth (Butte)

关于DCT和DWT在MATLAB上面的实现，很有参考价值(DCT and DWT in MATLAB for the implementation of the above, a good reference)

说明：  在MATLAB环境下利用DFT和fft实现对数字信号的离散处理(Using DFT and FFT to realize discrete processing of digital signal in Matlab environment)

很好的matlab学习资料，分享，希望对大家有所帮助(Matlab good learning materials, to share, we want to help)

常规波束形成固定入射角度估计方位的标准差与信噪比SNR的曲线的仿真程序(Conventional beamforming the estimated azimuth angle fixed standard deviation of the curve with the signal to noise ratio SNR of the simulation program)

修正后的二维Henon映射的Lyapunov指数计算及Lyapunov指数谱图。(The Lyapunov exponent calculation and Lyapunov exponent spectrum of the modified two-dimensional Henon map.)

MATLAB的图形界面GUI设计实现课程设计中的zTCSVg编码算法，并仿真qCtfLsf参数在不同条件下的误码率性能曲线，与现有算法对比，性能良好，界面友好。 (MATLAB graphical interface GUI design and implementation of curriculum design zTCSVg coding algorithm and simulation qCtfLsf parameters BER performance curve under different conditions, and existing algorithms contrast, good performance, friendly interface. )