matlab

计算卫星轨道,包括轨道坐标的计算,此程序为MATLAB样例程序。(Computing satellite orbits, including orbit coordinates calculation, this procedure for the sample MATLAB program.)

digital image and video compression

基于纹理的形状恢复和纹理的应用,利用离散小波框架模极值共生距阵的分类算法，能够很好的修得复大块缺损的图像(Based on the shape and texture, using the texture application framework of discrete wavelet modulus maximum symbiosis of classification algorithm is very good, can you answer large defect image)

最小二乘法曲线拟合，可以实现利用最小二乘法拟合曲线，并显示图形，操作简单。(Least squares curve fitting, can be achieved using least squares curve fitting and display graphics, easy to operate.)

calculate principal component analysyis off matrix

自由空间光通信系统在大气湍流信道下的3个主要性能指标分析，即平均误码率、中断概率和平均信道容量。其中大气湍流采用gamma-gamma湍流信道衰退模型。3个M文件为平均误码率与平均信噪比之间的关系(BER_SNR.m)，中断概率(OutageP.m)，以及平均信道容量与平均信噪比之间的关系（C_SNR.m）。程序可直接运行。(The analysis of 3 key performance indicators of Free-Space Optical communication system in atmospheric turbulent channel, namely the average bit error rate, outage probability and the average channel capacity. The atmospheric turbulence is modeled by the gamma-gamma turbulent channel fading model. Three M-files are the relationship between the average bit error rate and the the average SNR (BER_SNR.m), outage probability (OutageP.m), the relationship between the average channel capacity and the average SNR (C_SNR.m).The programs can run directly.)

lum_en_global全局亮度增强后的输出，用于调整图像全局亮度，类似人眼在不同亮度情况下，瞳孔的自动调解功能(lum_en_global=lum_en_global(img))

数学模型中Q值法（算法及matlab程序）(Mathematical model in the Q value method matlab program)

巴特沃斯滤波器，对已遭破坏的影像进行还原，能够有效的改善影像品质。(Butterworth filter, to restore the image has been damaged, can effectively improve the image quality.)

说明：  最优化的C程序课件，希望对大家有帮助，还有matlab 的介绍(Optimized C program courseware, we want to help, as well as introduction to matlab)