通信原理的经典讲义，日本东北大学安达幸信教授来华讲义,Communication Theory of classic lectures, Koji Tohoku University Professor Anderson notes here

通信原理实验指导书，包括全部通信原理章节，原理分析，硬件解释，编程指导等-Guiding principle of the experimental communications, including all sections of Communication Theory, principles, analysis, interpretation of hardware, programming guidance