mikalaj-intervals-c54a79ef4667-(1)

matlab做的图像检索源码，算法实现不错，很有借鉴作用，对初学者更是适用。(matlab source code to do image retrieval algorithm to achieve good, very useful reference for beginners it is applicable.)

　传统的信号理论，是建立在Fourier分析基础上的，而Fourier变换作为一种全局性的变化，其有一定的局限性。在实际应用中人们开始对Fourier变换进行各种改进，小波分析由此产生了。小波分析是一种新兴的数学分支，它是泛函数、Fourier分析、调和分析、数值分析的最完美的结晶；在应用领域，特别是在信号处理、图像处理、语音处理以及众多非线性科学领域，它被认为是继Fourier分析之后的又一有效的时频分析方法。 小波变换与Fourier变换相比，是一个时间和频域的局域变换因而能有效地从信号中提取信息，通过伸缩和平移等运算功能对函数或信号进行多尺度细化分析（Multiscale Analysis），解决了Fourier变换不能解决的许多困难问题。(The traditional signal theory, is based on Fourier analysis based on Fourier transform, and as a kind of global change, it has some limitations. In the actual application of Fourier transform people began to various improved, wavelet analysis produced. Wavelet analysis is a new branch of mathematics, it is functional, Fourier analysis, harmonic analysis, numerical analysis of the crystallization of the most perfect In the fields of application, especially in signal processing, image processing, audio processing as well as many nonlinear scientific fields, it is considered to be the Fourier analysis after another effective time-frequency analysis method. Wavelet transformation and Fourier transform, compared is a time and frequency domain and the local transform can effectively extract information from signal, through the telescopic peace shift etc operation function of the function ? )

一般控制系統應用於MATLAB之指令 一般控制系統應用於MATLAB之指令(General control system used in MATLAB' s command of the general control system used in MATLAB command)

MATLAB初级图形演示系统，用于进行十进制和十六进制的转换(MATLAB junior graphic presentation systems used for decimal and hexadecimal conversion)

实现了25种系统聚类的方法，在函数的选项里面可以进行方便的指定。同时可以自动计算这25种方法的评价函数，选择最优的系统聚类方法(25 kinds of systems to achieve a clustering method, in function of the option which can be easily specified. At the same time, it can automatically calculate the 25 kinds of methods of evaluation function, the system choose the best clustering method)

说明：  FFT 与LZW编码算法相结合，实现压缩功能，MATLAB仿真实现(FFT LZW compress)

聚类传播算法，用来处理数据，对数据分类处理。(Clustering propagation algorithm, used to process the data, the data classification process.)

清华张旭东老师《离散随机信号处理》教材第5章。本章首先简要复习经典谱估计的基本结论，然后分别讨论基于线性系统模型和复正弦模型的功率谱估计方法。(Qinghua Zhang Xudong teacher " discrete stochastic signal processing" textbook Chapter 5. This chapter begins with a brief review of the classical spectral estimation basic conclusion, and then discuss the power spectrum estimation based on linear system models and complex sinusoidal model approach.)

通过Fourier与Laplace逆变换，把时域图变成频域图，增强信号的可视性。(Through the inverse transformation of Fourier and Laplace, the time domain diagram is transformed into frequency domain graph to enhance the visibility of the signal.)

MATLAB code for converting intensity image to indexed image.