|Table of Contents|

System design of VHF/UHF CubeSat ground station and its application

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2016年02期
Page:
177-
Research Field:
Publishing date:

Info

Title:
System design of VHF/UHF CubeSat ground station and its application
Author(s):
Yu XiaokangZhang XiangMo QiankunYu YongjunLiao Wenhe
School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China
Keywords:
CubeSats satellite ground station audio frequency shift keying modulation binary phase shift keying demodulation
PACS:
V55
DOI:
10.14177/j.cnki.32-1397n.2016.40.02.008
Abstract:
Based on the NJUST-1 CubeSat mission,the very high frequency/ultra high frequency(VHF/UHF)satellite ground station is designed to realize the uplink and the downlink of the signal successfully.The characteristics of the CubeSat communication is analyzed,and the system scheme of the VHF/UHF band ground station based on the audio frequency shift keying(AFSK)modulation and the binary phase shift keying(BPSK)demodulation is proposed.The AFSK modulation is based on the hardware and the BPSK demodulation is based on the Costas loop.The practical test shows that the sensitivity of the BPSK demodulation is up to -120 dBm,and the signal of other CubeSats like QB50P1 and QB50P2 is demodulated successfully.

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Last Update: 2016-04-30