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U_PCM_matlab
- 产生一个正弦信号,用均匀PCM方法分别用8电平和16电平做量化,在同一坐标轴画出原信号和已量化信号,比较两种情况下的SQNR-the matlab source code of U_pcm
waterbit
- 用matlab实现了超复数傅里叶变换; 实现了量化索引算法; 实现了基于傅里叶变换和量化索引的彩色图像数字水印的嵌入以及提取算法;-Using matlab the hypercomplex Fourier Transform quantization index algorithm realized based on the Fourier transform and quantization index color image watermarking embedding and
VQ
- Matlab for VQ 向量量化編碼-Matlab for VQ vector quantization
TSVQ
- matlab TSVQ 樹狀結構向量量化編碼-matlab for TSVQ Tree-structured Vector Quantization
eyecos
- matlab仿真GMSK眼图,10bit量化后的GMSK眼图画图函数-the matlab simulation GMSK eye diagram
pic1
- matlab 读入某一图像,对图像灰度化的图形进行不同阶数的量化比较,计算psnr-matlab read a certain image, gray graphics quantitative comparison of the different orders, calculate psnr
digital
- 图像的数字化(matlab语句的编写,图像读取、改变像素值、显示,分辨率的转换、量化比特数的改变)-Digital images (matlab prepared statement, the image reading, changing pixel values, display, resolution conversion, change the number of quantization bits)
vector-quantization
- 用MATLAB或C语言实现码本训练和矢量量化算法,并给出量化结果-Using MATLAB or C language training and codebook vector quantization algorithm, and gives quantitative results
D
- 灰度图像的量化和直方图均衡化直接调用函数。量化是指将像素灰度转换成离散的整数值的过程。量化等级越多,所得图像层次越丰富,灰度分辨率高,图像质量好,但数据量大。-Write MATLAB functions to quantize grayscale image with given quantization step Q. Process the given test images “Lena” with quantization steps Q=2, 4, 8 16, 32, 64, 1
db4
- 1、 降噪步骤: (1) 一维信号的小波分解。选择一个小波并确定分解的层次,然后进行分解运算。 (2) 小波分解高频系数的阈值量化。对各个分解尺度下得高频系数选择阈值进行软阈值量化处理。 (3) 一维小波重构。根据小波分解的最底层低频系数和各高频系数进行一维小波重构。 matlab里面有关于去噪的函数,你可以找一下~~ 这说的只是基本原理,希望有所帮助-1, noise reduction steps: (1) one-dimensional signal wavelet d
mfccmode
- MFCC MATLAB 实现,主要是在分布式语音信号参数提取方面的代码,提取出的参数直接量化编码-MFCC MATLAB implementation, the main voice signal in the distributed parameter extraction of the code, the extracted coding parameters to directly quantify
ddsmatlab
- 直接数字频率合成技术DDS的Matlab系统建模及频谱分析,同时对相位截断误差和量化误差同进行了分析-Direct digital frequency synthesis technology of DDS Matlab system modeling and spectral analysis, while the phase truncation error and quantization error are analyzed with
Naive-Bayes
- 一个学习Naive Bayes的matlab代码,学习到的参数只与样本的个数有关,与实际的样本值没有直接关系。 为了代码的可读性、容易学些,算法的实现没有采用MATLAB向量化 操作。-A Naive Bayes learning matlab code, only to learn the parameters related to the number of samples, and the actual sample values are not dir
jpeg
- 本代码由matlab语言编写,实现了jpeg算法,主要为了说明基本的JPEG功能。经过DCT变化,量化,进行DPCM编码,然后之字形扫描AC系数,进行行程(LZW)编码。 显示原始图象和经编码解码后的图象,显示压缩比,并计算均方根误差。-The code consists of matlab language, to achieve a jpeg algorithm, mainly to illustrate the basic functionality of JPEG. After chan
JSteg
- JSteg隐写技术matlab实现代码--基本思想:用秘密信息比特直接替换JPEG图像中量化后DCT系数的最低比特位,但若量化后DCT系数为0或者1,则不进行处理。(DCT系数的LSB嵌入) -JSteg steganography matlab code- the basic idea: direct replacement with the secret information bits JPEG image quantized DCT coefficients in the leas
simulink-QPSK
- 对QPSK解调系统完美建模,其中通过改变码元速率和载波频率,再计算相应的环路滤波器的参数,即可实现多种QPSK模型的解调,且该模型可通过SYSTEM generator进行量化,从而生成ISE能直接使用的HDL代码。 matlab版本:2007a-Perfect for QPSK demodulation system modeling, which by changing the symbol rate and carrier frequency, and then calculate t
ETFchuanMA
- 本人是做量化交易的,这个是进入行业的基础,通过matlab测算所有的均线对股票的影响,这个是用来测试ETF和IF的。可以通过这个M文件知道哪个是最优均线-I do quantitative transaction, this is the foundation of entering the industry, through matlab to calculate all the line influence on stock, this is used to test the ETF and
snr-of-differ-Quantization-in-ml
- 比较matlab中ceil()、floor()、round()等的量化误差大小。并比较不同的量化位数的误差-Compare matlab in ceil (), floor (), round (), etc. quantization error size. And comparing different error of quantization bits
huice2
- matlab量化择时模型回测代码,matlab量化择时模型回测代码-Optional model to quantify when backtesting matlab code
Neural-network-toolbox-function
- Matlab神经网络工具箱函数涉及的网络模型有,感知机网络、线性神经网络、BP神经网络、径向基神经网络、自组织神经网络、学习向量量化神经网络、Elman神经网络、Hopfield神经网络、自适应滤波和控制系统网络等。-Matlab neural network toolbox function involving network model have a perceptron and linear neural network, BP neural network, RBF neural net