Determination of correlation coefficients for RazakSAT received signals
RazakSAT is the second Malaysian Earth observation satellite operating with downlink frequency of 2.232 GHz (S-band). RazakSAT’s received signals had been recorded in percentage unit and the values are required be quantified in the common signal strength unit, dBm. This paper details how such has...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Science and Engineering Research Support Society (SERSC) Australia
2018
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/63775/13/63775_Determination%20of%20correlation%20coefficients.pdf http://irep.iium.edu.my/63775/7/63775%20Determination%20of%20Correlation%20Coefficients%20for%20RazakSAT%20Received%20Signals_wos.pdf http://irep.iium.edu.my/63775/ http://www.sersc.org/journals/IJFGCN/vol11_no2.php |
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| Summary: | RazakSAT is the second Malaysian Earth observation satellite operating with downlink
frequency of 2.232 GHz (S-band). RazakSAT’s received signals had been recorded in
percentage unit and the values are required be quantified in the common signal strength
unit, dBm. This paper details how such has been achieved. Measurements were carried out
in order to establish the correlation between the percentage values and dBm values. The
campaign involved the setting-up of a terrestrial microwave link transmission comprised
of a transmitter, a receiver, and relevant antennas at about 500 m displacement. The
transmitted power was controlled with the use of a signal generator and the received power
level was measured using a spectrum analyzer. Appropriate coefficients for the correlation
had been determined. The slope coefficient, m has been derived to have the value of 0.7765
and its slope intercept coefficient, c has the value of 85.301. Using these coefficients, the
received satellite signals can then be converted into dBm. |
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