研究目的
To improve the performance of the conventional modulation that uses intensity modulation/direct detection (IM/DD) for On-Off Keying (OOK) modulation under turbulence effects for Free Space Optical Communication.
研究成果
The DDM technique improves the ability of received power in free space optic transmission under strong turbulence, showing better performance compared to conventional IM/DD-OOK and IM/DD-OOK with diffuser. It enhances the impact of phase screen diffuser, making it suitable for long-distance transmission.
研究不足
The study is theoretical and simulation-based; practical implementation challenges and real-world testing results are not discussed.
1：Experimental Design and Method Selection:
The study introduces a new modulation technique, Dual Diffuser Modulation (DDM), to improve the performance of conventional IM/DD-OOK modulation under turbulence effects.
2：Sample Selection and Data Sources:
The analysis is based on theoretical models and simulations considering parameters like wavelength, distance, and turbulence strength.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The study compares the performance of DDM with conventional IM/DD-OOK and IM/DD-OOK with diffuser under strong turbulence conditions.
5：Data Analysis Methods:
The performance is evaluated based on received power and scintillation index reduction.
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