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说明：   【摘要目录】：matlab语言实现2ASK，4ASK，2FSK，4FSK,QAM16,QAM8(Abstract Contents】: matlab language 2ASK, 4ASK, 2FSK, 4FSK, QAM16, QAM8)

this code descibe matlab code for quadtree decomposition in fractal image compression

光通信中基本器件微环的基本分析，这个分析是在理想情况下分析的，没有考虑损耗(Basic analysis of the basic device in the optical communication microring, this analysis is in the ideal case the analysis, without considering loss)

《node入门》是一本较好的入门级教材，本人起初也使用，通俗易懂。希望对大家有所帮助。("Node Getting Started" is a good entry-level textbook, I first use, easy to understand. We want to help.)

交错网格声波方程正演模拟，PML吸收边界，比较适合刚刚接触的学者。交错网格有限差分地震波场计算，二维的声波正演，利用空间10阶，时间2阶。(The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme)

数值计算中Jacobi迭代法的Matlab程序 (numerical calculation Jacobi iteration of the Matlab program)

bouncing ball made in matlab and i found it online its not my creation

use the matlab tool to do the mel analysis in the audio fingerprinting system.(use the Matlab tool to do the analysis in mel the audio fingerprinting system.)

希尔伯特黄变换（HHT）变换，在众多领域都有应用，适合初学者学习(Hilbert Huang Transform (HHT) transformation has applications in many fields, suitable for beginners to learn)

详细介绍了学习C++应该注意的事项，对常见的错误进行了细致的分析，提高读者的C++水平(Introduced in detail the matters should be paid attention to learning C++, common mistakes made a careful analysis, to improve the level of C++ reader)