Photogrammetric Engineering Remote Sensing Breakthrough

Strategic Insights -

Researchers from the Nanjing University of Aeronautics and Astronautics have developed a novel calculation method for determining the operating range of airborne infrared imaging systems, which accounts for environmental temperature variations. This breakthrough has significant implications for ship detection. The study, published in the Journal of Engineering, found that the proposed method reduces prediction deviation by an average of 10.1% compared to traditional methods. The researchers developed an improved model for minimum resolvable temperature difference (MRTD) under different temperatures, enabling more accurate operating range predictions.

Key Takeaways:

  • The airborne infrared imaging system detects ships, but environmental temperature variations have not been considered in existing calculation models, leading to significant deviations in predicted operating ranges.
  • The researchers established the relationship formula of the minimum resolvable temperature difference (MRID) under different temperatures and integrated it with an improved theoretical model of MRTD to develop a new calculation method for the operating range.
  • Comparative experimental studies show that the proposed method reduces prediction deviation by an average of 10.1% compared to traditional methods.
  • The study has significant implications for ship detection and has been peer-reviewed by the Photogrammetric Engineering & Remote Sensing journal.
  • The researchers, led by Peng Yan and Xiao Ling, included Peng Yan, Yuyang Tian, Kaikai Zhu, Qinghong Sheng, Bo Wang, Jun Li, Xiang Liu, and Xiao Xu as additional authors.

Statistics:

  • Average reduction in prediction deviation: 10.1%
  • Number of authors: 9
  • Affiliations:

+ Nanjing University of Aeronautics and Astronautics: 9 authors

+ Photogrammetric Engineering & Remote Sensing: 1 journal

  • Publication date: October 20, 2025
  • Journal title: Journal of Engineering

Sources:

  • Xiao Ling at Nanjing University of Aeronautics and Astronautics, "Mrtd-based Effective Range Analysis of Airborne Infrared Imaging Systems for Ship Detection: Optimization of the Calculation for Operational Range Through an Improved Mrtd Model," Photogrammetric Engineering & Remote Sensing, vol. 91, no. 10, pp. 623-630, 2025.
  • NewsRx, "Findings from Nanjing University of Aeronautics and Astronautics Broaden Understanding of Photogrammetric Engineering Remote Sensing (Mrtd-based Effective Range Analysis of Airborne Infrared Imaging Systems for Ship Detection: Optimization of...)," Journal of Engineering, vol. 23, no. 23, p. 688, October 20, 2025.