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Ladar scene projector for a hardware-in-the-loop simulation system.

Rui Xu, Xin Wang, Yi Tian

|July 28, 2016

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This summary is machine-generated.

A novel ladar scene projector was developed for hardware-in-the-loop simulations. This system accurately models ladar return signals, considering atmospheric and target properties for realistic testing.

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Area of Science:

Optics and Photonics
Remote Sensing
Computational Simulation

Background:

Direct-detection ladar (light detection and ranging) systems require rigorous testing.
Hardware-in-the-loop (HIL) simulation offers a controlled environment for validating ladar performance.
Accurate simulation of ladar return signals is crucial for effective HIL testing.

Purpose of the Study:

To propose and develop a ladar scene projector for HIL simulation systems.
To create a simulation model based on the ladar range equation for return signal profiling.
To investigate and compensate for insertion delays within the ladar scene projector.

Main Methods:

Development of a ladar return signal model incorporating atmospheric and target surface properties.
Calculation of ladar return signal profiles using the ladar range equation.
Investigation and compensation of insertion delays across different projector channels.
Generation of a target range image with 108 pixels.

Main Results:

The simulation covers a range of 0 to 15 km.
Achieved a range resolution of 1.04 m.
Demonstrated a range error of 1.28 cm.
Measured a peak-valley error of 15 cm across different channels.

Conclusions:

The proposed ladar scene projector enables effective HIL simulation for direct-detection ladar systems.
The developed model accurately predicts ladar return signals, accounting for environmental and target factors.
The system achieves high fidelity in range resolution and error, crucial for validating ladar performance.