[Calibration of the detection performance for hyperspectral imager]

Area of Science:

• Remote Sensing
• Optical Engineering
• Military Technology

Context:

• Hyperspectral imaging is crucial for battlefield reconnaissance.
• Accurate calibration is essential for hyperspectral imager performance.
• Existing systems require robust evaluation methods for diverse environments.

Purpose:

• To analyze and present calibration and evaluation methods for a UV/Vis/NIR hyperspectral military detection system.
• To ensure high spectral resolution and data fidelity for military applications.
• To validate the system's performance against stringent military requirements.

Summary:

• An UV/Vis/NIR hyperspectral military detection system utilizing BTCCD and concave grating components was analyzed.
• Methods for image quality assessment, spectral quality assessment, and radiation performance calibration were detailed.
• The system achieved 3.3 nm spectral resolution, 0.2 mrad spatial resolution, and +/-0.5% dispersive linearity after calibration.

Impact:

• Successfully obtained objective spectral characterization via reflective curves.
• Demonstrated the effectiveness of the developed calibration and evaluation methods in a military detection context.
• Ensured the hyperspectral imaging system meets critical military reconnaissance requirements.