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Monitoring bird migration with a fixed-beam radar and a thermal-imaging camera
Previous studies using thermal imaging cameras (TI) have used target size as an indicator of target altitude when radar was not available, but this approach may lead to errors if birds that differExpand
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Detection and discrimination of fauna in the aerosphere using Doppler weather surveillance radar.
Organisms in the aerosphere have been detected by radar since its development in the 1940s. The national network of Doppler weather radars (WSR-88D) in the United States can readily detect birds,Expand
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Cost Comparison of Expendable, Hybrid, and Reusable Launch Vehicles
This paper compares d evelopmental , production, and maintenance cos ts (DPM) of two stage -to -orbit expendable , hybrid , and reusable launch vehicles . This comparison was accomplished using topExpand
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CREATE-AV DaVinci: Computationally-Based Engineering for Conceptual Design
Historically, decisions made during early phases of systems design and acquisition determine the majority of the life-cycle costs for those systems. Physics-based, high fidelity models that canExpand
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Western Science and Educational Reform in the Thought of Shaykh Rifa a al-Tahtawi
At the cultural heart of the intellectual awakening, or al-Nahḍa , that arose with Egypt's modernization movement in the 19th century was the endeavor to legitimize the innovations which came in theExpand
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Rocket Based Combined Cycle Hypersonic Vehicle Design for Orbital Access
Several rocket boosted RBCC (Rocket-Based Combined Cycle) designs were created and analyzed for suitability for an access-to-space TSTO vehicle system. Level 1 analysis was performed that includedExpand
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The Hypersonic Space and Global Transportation System: A Concept for Routine and Affordable Access to Space
For more than a decade the authors have studied launch vehicle concepts and technologies with the goal of defining an architecture that can make launching traditional payloads much more routine andExpand
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