shuizhifenxi

audio watermark detection

FFT快速傅立叶变换的代码，只需要Matlab环境即可运行。需要输入分析数据。(FFT Fast Fourier Transform code, only need to run Matlab environment. Need to enter data.)

这是图像半色调的matlab程序,适合做halftone学术研究的同学学习使用.(This is a half-tone image matlab program, suitable for halftone students learn to use academic research.)

保证全局收敛的随机微粒群算法。当最优粒子的解无进化，则对其位置、速度进行变异，而使算法不致过早收敛，只要迭代次数足够，算法保证全局收敛。(ensure global convergence of random particle swarm algorithm. When the optimal solution without particles of evolution, its location, speed variation, which might not premature convergence algorithm, as long as sufficient number of iterative algorithm to ensure global convergence.)

说明：  有色噪声干扰下多变量系统的辅助模型辨识方法(Colored Noise multivariable model identification method of the auxiliary system)

the file contains detection and estimation theroy codes

matlab信道容量仿真，包括正态，瑞利，nakagami三种信道情况下的信道容量(channel capacity matlab simulation, including normal, Rayleigh, nakagami three kinds of channels in case of channel capacity)

文档是关于差分进化的改进的代码，使用正交设计，提高了算法的性能，内有测试函数和测试数据，可直接运行。(Documentation is improved code on differential evolution using orthogonal design and improve the performance of the algorithm, there are test functions and test data, can be run directly.)

说明：  多通道和单通道接收到的北斗信号数据，利用接收到的北斗数据（.dat .txt文件），进行解析，得到初始伪距，平滑伪距，载波相位，并计算其标准差，并画图。(The Beidou signal data received by multi-channel and single channel are analyzed by using the Beidou data (. Dat. TXT file). The initial pseudo range, smooth pseudo range and carrier phase are obtained, and the standard deviation is calculated and plotted.)

很好的累加的matlab源码，希望会给你们带来帮助。大家一些学习一小儿哦(Good cumulative matlab source, I hope you will bring to help. We learn a number of children Oh)