This paper presents a status data transmitting system suitable for vessel monitoring. The system consists of four main parts, which are a status data module, a frequency synthesizer, a power amplifier and a horn antenna. The status data module packs information of the identification, longitude, latitude and state of the vessel into data frames. FSK/MSK/GMSK schemes were used to modulate the data. The frequency synthesizer was designed with very high stability over temperature and very low frequency tolerance. The power amplifier provides 130 W output power at S band. The impedance bandwidth of the horn antenna can be controlled using the beveling technique.
Collaboration network of the authors
13 authors ·
23 co-authorship links
· 9 across different organisations
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Trung tâm Vũ trụ Việt Nam
Hiroshima University
VNU University of Engineering and Technology
Hai Phong University of Management and Technology
Laboratoire de Photonique Quantique et Moléculaire
Affiliation unknown
Different organisations
Same organisation
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Laboratoire de Photonique Quantique et Moléculaire
1
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