Satelliteradio remains the leading platform for digital radio in the U.S., despite notable progress in HD radio awareness.
在美国，卫星无线电仍然是主导平台，尽管在HD无线电方面有显著的进展。
2
Satelliteradio remains the leading platform for digital radio in the U. s., despite notable progress in HD radio awareness.
在美国，卫星无线电仍然是主导平台，尽管在HD无线电方面有显著的进展。
3
The study of this paper indicate that the application of digital IF Software Radio framework is practicable in the receiver of the Satellite Positioning and Navigation system.