Practica2_Ejer1

I have provided the code for watermarking code in spatial domain and check difference between original and corrupted image.

实现语音信号通过低通滤波器后，得到频谱，并且输出滤波前后的图形。(Voice signal through a low pass filter to obtain a frequency spectrum, and outputs the graphic before and after filtering.)

FILTERING OF AN IMAGE USING MASK

1-32是：图形应用篇 33-66是：界面设计篇 67-84是：图形处理篇 85-100是：数值分析篇(matlab)

matlab coding about up and down sampling(up and down sampling)

基于循环平稳特性的频谱感知研究 PLC信道 MATLAB程序(Perception of the spectrum based on Cyclostationarity)

说明：  实现了免疫算法求解约束优化问题的实例。实验表明，算法具有良好的性能。(The method is the implementation of Immune Algorithm(GA). The experiment results show that the efficiency of the algorithm is better.)

6 sigma设计用源程序 (Design for six sigma ORTHOGONAL ARRAY TOOL V52.XLS)

产生OFDM信号,能量是100watts，2048 个载波，512个cycle prefix(generate an OFDM signal)

说明：  基于超低功耗微型心电听诊仪的设计.pdf(2006MAY19 ME DSP TS1.pdf)