| ABSTRACT |
DDM-FSO technique utilizes the concept two carriers when sending the signal. It offers more effective against the atmospheric turbulence that associate with scintillation effect. The conventional FSO techniques are suffers with the receiving fluctuation threshold signal level and low efficient when facing the scintillation effect. DDM-FSO technique has a good performance in term of allows efficient power consumption, extend the capability of diffuser effect, increase the link coverage and cost effectiveness. This product also is immune with electromagnetic interference (EMI). The DDM-FSO technique has a high potential to be commercialized in various agriculture industries for example; the oil palm, paddy field and other advance farming monitoring agriculture.
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