Increasingly, U.S. Navy ships are operating in the littorals where they may be exposed to many threat weapons and sensors. NRL uses infrared (IR) propagation and signature models to predict ship vulnerability and to evaluate the effectiveness of current and proposed self-defense systems against IR threats that are more prevalent in the littorals. Ship signature models are also being heavily used during the design phase for many of the Navy's new ship programs, such as DDG-1000, CVN-21, and CG(X). Reliance on the predictions of the models requires a validation of the model accuracy. With well-instrumented measurements of physical phenomena, a confirmation of the model predictions can be achieved. For this purpose, NRL organized and participated in the NATO SAPPHIRE (Ship and Atmospheric Propagation PHenomenon InfraRed Experiment) trial.


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    A Ship Infrared Signature Model

    McLenaghan, I. R. / Moore, A. | SPIE | 1988


    Surface Ship Infrared Signature Model Evaluation

    C. P. McGrath / D. R. Jensen / P. P. Ostrowski | NTIS | 1994


    Infrared Ship Signature Evaluation

    H. G. Hughes | NTIS | 1989


    Chesapeake and Delaware ship canal

    Engineering Index Backfile | 1879


    Validation of the NATO-standard ship signature model (SHIPIR)

    Vaitekunas, D. A. / Fraedrich, D. S. / SPIE | British Library Conference Proceedings | 1999