随着信息技术的发展，物联网（Internetofthings）逐步成为继计算机、互联网之后，在全球范围内掀起的第三次信息技术浪潮。基于传统互联网技术基础之上的物联网，其远期发展将可以实现从人与人、人与物到物与物之间的信息交换。 本文以物联网的底层传输技术和感知技术为驱动，以传输技术方面的超宽带（UWB，ultra-wideband）和无线传感器网络（WSN，wirelesssensornetwork）为出发点，对基于调频差分混沌移位键控（FM-DCSK，frequency-modulateddifferentialchaosshiftkeying）调制的UWB系统的定时同步和WSN的时间同步...With the development of information technology, internet of things gradually becomes the third innovation wave of information technology. Based on the traditional internet, internet of things can realize the information exchange from human to things and from things to things in the future. This dissertation is motivated by the transmission and sensing techniques of the infrastructure of internet ...学位：工学博士院系专业：信息科学与技术学院_通信与信息系统学号：2332009015335
