At present,drilling fluid pulse is widely used by most of wireless MWD systems,and how to improve the transimission depth and rate is a theme of research for this kind of systems.

• 目前,大多数的无线随钻测量系统都采用钻井液脉冲的传输方式,而如何提高传输深度和传输速率一直都是钻井液脉冲传输系统的研究主题。