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Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
Published on: May 1, 2018
Summary
This study analyzes lidar system geometry for heterodyne detection of incoherent backscatter. It defines parameters to maximize system efficiency for topographic and atmospheric targets, neglecting scintillation effects.
Area of Science:
- Optical Engineering
- Remote Sensing
Background:
- Lidar (light detection and ranging) systems are crucial for remote sensing.
- Heterodyne detection offers high sensitivity for weak backscatter signals.
Purpose of the Study:
- To analyze the antenna and beam geometry of lidar systems using heterodyne reception.
- To investigate systems with targets uniformly spanning the transmitted beam, including topographic and atmospheric backscatter.
- To define parameters for system efficiency and explore conditions for maximization.
Main Methods:
- Theoretical analysis of lidar system geometry.
- Consideration of circularly symmetrical geometry with arbitrary obscurations.
- Neglect of atmospheric scintillation effects.
Main Results:
- Defined parameters characterizing lidar system efficiency.
- Identified conditions for maximizing these efficiency parameters.
- Analysis applicable to targets extending uniformly across the transmitted beam.
Conclusions:
- The study provides a framework for optimizing lidar system design for heterodyne detection.
- Understanding geometry is key to maximizing signal reception efficiency.
- The findings are relevant for applications involving topographic and atmospheric remote sensing.