Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with Pulse Coding.
1Department of Information and Communication Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Korea. gzkim@yu.ac.kr.
Sensors (Basel, Switzerland)
|December 6, 2018
Summary
This study explores optical code-division multiple access (OCDMA) modulation and spreading techniques for coded pulse scanning Light Detection and Ranging (LIDAR) systems. It identifies optimal combinations for varying environments to enhance LIDAR performance.
Area of Science:
- Photonics and Optical Engineering
- Signal Processing
- Remote Sensing Technology
Background:
- Light Detection and Ranging (LIDAR) systems utilize coded pulse scanning for measurements.
- The number of laser pulses in Optical Code-Division Multiple Access (OCDMA) systems impacts measurement parameters.
- Pulse characteristics like width, power, and duration influence LIDAR's maximum range and measurement point density.
Purpose of the Study:
- To investigate various modulation and spreading technology combinations for OCDMA in LIDAR.
- To evaluate the performance and characteristics of different OCDMA techniques within LIDAR systems.
- To determine optimal OCDMA configurations for diverse operational environments.
Main Methods:
- Suggestion of potential modulation and spreading technology combinations for OCDMA.
- Performance and characteristic evaluation of proposed OCDMA techniques.
- Analysis of optimal combinations based on varying environmental factors.
Main Results:
- Identified specific combinations of modulation and spreading technologies suitable for OCDMA-based LIDAR.
- Quantified the performance trade-offs associated with different OCDMA approaches.
- Characterized the impact of these parameters on LIDAR's measurement distance and point acquisition rate.
Conclusions:
- The choice of OCDMA modulation and spreading significantly affects LIDAR system capabilities.
- Optimal OCDMA configurations can be determined based on specific environmental requirements.
- This research provides a framework for enhancing LIDAR performance through advanced OCDMA integration.
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