YunDongdexiaoqiu

sepia filter on image sepia.m

used to calculate energy efficiency in wireless sensor nodes

基于结构相似性的图像质量评价算法SSIM(Image quality assessment metric (Structural similarity index))

to find correlation coefficient between encrypted and original image

依次阐述了非线性动力系统的建模，单自由度自治系统、单自由度非自治系统和多自由度系统的分析方法及动力学行为(Turn on the modeling of nonlinear dynamical systems, single degree of freedom autonomous system, single degree of freedom analysis methods and dynamic behavior of the non-autonomous system and multi-degree-of-freedom system)

this code for test fft method

OFDM系统中的信道仿真，主要对信道衰落修补仿真(OFDM system channel simulation, the major repair on the fading simulation)

memset函数、memcopy函数和strcpy函数的用法，在笔试中通常让比较这些函数(Usage memset function, memcopy function and strcpy function, which is usually written to allow comparison of these functions)

Gabor Filter MATLAB Code

ML-KNN实现过程，包括训练和测试两个过程(the process of ML-KNN, including training and testing )