matlab

Pocklington方法的ＭＡＴＬＡＢ环境下半波振子仿真(Pocklington methods under the MATLAB environment half-wave oscillator simulation)

说明：  循环平稳理论相关：循环互相关谱的源程序（matlab源代码）(cyclostationary related)

说明：  在DCT域进行图像检索，分别采取了对DCT块的边缘类型提取以及纹理特征提取两个方法(Image Retrieval in DCT domain, DCT blocks were taken on the edge of the type and texture feature extraction method of extracting the two)

说明：  matlab中文帮助，非常有用哦！！！！(matlab Chinese help, very useful oh! ! ! !)

Matlab 贪婪算法 Matlab 贪婪算法 (Matlab Matlab greedy algorithm greedy algorithm)

Calculates the luminance of a square using Matlab.

对噪声信号中的正弦信号，通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计，信号源是： 其中， ， ， ； 是高斯白噪声，方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计，独立运行20次，记录各个方法的估计值，计算均值和方差； 2、增加噪声功率，观察和分析各种方法的性能。(Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods.)

地震褶积模型的设计，采用的是雷克子波。速度模型设计引入了弱反射层(Seismic convolution model of the design, using the wave Leike Zi. Velocity model designed to introduce a weak reflection layer)

周期图法估计平稳随机信号功率谱的MATLAB实现 周期图法估计平稳随机信号功率谱的MATLAB实现(Periodogram method to estimate the power spectrum of the stationary random signal MATLAB implementation)

SAX比其他符号算法更简便、高效 在符号化过程中实现了减维降噪 ,保证在符号空间计算出的两个符号序列距离满足实际两个时间序列距离的下界要求 ,即不会出现漏报(SAX (Symbolic Aggregate approXimation))