相关文档

西南交通大学测量工程系:《GPS卫星定位技术与方法(GPS技术与应用)》课程教学资源(课件讲稿)Satellite Signal

1.1 Physical Fundamentals This attenuation is usually expressed in decibels (dB). By definition, an attenuation of n dB means signal propagation from the that the original field strength is decreased by ite to the user by means of factor of 10-0In electromagnetic waves. Such waves Physical quantities
团购合买资源类别:文库,文档格式:PDF,文档页数:6,文件大小:599.28KB
点击进入文档下载页(PDF格式)
已到末页,全文结束