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Time-accuracy imaging quality prediction method for an infrared detection system under hypersonic conditions
Optics Express
|November 23, 2021
Summary
A new prediction scheme accurately forecasts infrared detection system image quality under hypersonic conditions. This method, validated by wind tunnel tests, ensures reliable target tracking performance.
Area of Science:
- Optics and photonics
- Aerospace engineering
- Systems engineering
Background:
- Infrared detection system imaging quality is crucial for accurate target tracking.
- Hypersonic conditions pose significant challenges to maintaining imaging quality over time.
Purpose of the Study:
- To develop a prediction scheme for infrared detection system image quality under hypersonic conditions.
- To establish a numerical calculation model for simulating and predicting image quality based on time accuracy.
Main Methods:
- Developed a prediction scheme for image quality based on time accuracy.
- Established a time-discretized calculation model for numerical simulation.
- Validated the prediction method and model using wind tunnel test results.
Main Results:
- Numerical simulations were performed using the developed calculation model.
- Results from numerical simulations were compared with experimental wind tunnel data.
- The maximum error between simulation and experimental results was found to be less than 4.5%.
Conclusions:
- The developed prediction scheme and numerical calculation model are reliable for assessing infrared detection system image quality under hypersonic conditions.
- The findings contribute to improving the accuracy and reliability of target tracking in demanding environments.
