M-QAM-modulation-demodulation

This code perform the DCT and quantization on all the channels without any sub-sampling and for the compression of color images, they are first converted to the YCbCr color format and vice versa, use the function rgb2ycbcr and ycbcr2rgb.

Tamura纹理特征的matlab实现（五）---规则度(Tamura texture features of the matlab implementation (e)--- regularity)

根据第一层材料禁带宽度与第二层材料禁带宽度，绘制不同损失率下，两种材料禁带宽度随损失率变化的关系曲线以及双层材料光伏转换极限效率曲线(According to the first layer of material with a band gap of the material the band gap of the second layer, draw a different loss rate curves of the two materials with the band gap of the rate of change and the loss of bilayer material photovoltaic conversion efficiency curve limit)

蚁群算法实现连续极值求解，一般是二维函数的求解(solve the biggest value of function)

电子书，专门介绍matlab的mapping制图工具箱mapping toolbox.pdf(E-books, dedicated to matlab toolbox of mapping mapping mapping toolbox.pdf)

文件中包含一个地形数据，一个将此数据用matlab进行三维显示的程序。自己写的，可用于航迹规划中的地形测试。(The file contains a terrain data, three-dimensional display this data using matlab program. Write their own terrain test can be used for route planning.)

书的中文名是matlab宝典，详细介绍了matlab7.适合matlab工作者查阅。(The Chinese name is written matlab canon, detailing matlab7. Matlab workers for inspection.)

资料中包含波达方向估计的一种常用方法，包括一维MUSIC和二维MUSIC，可以有效的估计出多个信号方向。(A common method of data contained in the DOA estimates, including one-dimensional and two-dimensional MUSIC MUSIC, can effectively estimate multiple signal direction.)

this programmedefine a circuit-based simulation model for a PV cell in order to allow find MPPT

一种利用atan2方法的四步相移法的相位提取程序(Four-step phase shift method to extract phase)