这是直接扩频通信系统的PPT课件，清楚讲解了扩频技术的来源，理论依据等，让人能快速了解扩频技术的原理。-This is a direct spread spectrum communication system, PPT courseware, clearly explained the source of spread spectrum technology, the theoretical basis so people can quickly understand the principl

希望广大学习通信原理的来看一下，这就是我们学校的通信原理课件，希望能对大家有用-We hope that the study look at communication theory, this is our school' s communication theory courseware, hoping it would be useful

北京市精品课程-北京邮电大学通信原理1-4章课件-Courses in Beijing- Beijing University of Posts and Communication Theory Chapter 1-4 Courseware

针对通信原理等的情况,利于教学，很有用，采用的PPT课件(This PPTof communicaiton system IS Useful)