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http://dx.doi.org/10.5139/JKSAS.2020.48.11.903

Modeling and Simulation of Aircraft Motion for Performance Assessment of Airborne AESA Radar Considering Wind and Vibration  

Lee, Donguk (Korea Advanced Institute of Science and Technology)
Im, Jaehan (Korea Advanced Institute of Science and Technology)
Lee, Haemin (gency for Defense Development)
Jung, Youngkwang (gency for Defense Development)
Jeong, Jaehyeon (LIG Nex1)
Shin, Jong-Hwan (LIG Nex1)
Lee, Sungwon (LIG Nex1)
Park, June Hyune (LIG Nex1)
Ahn, Jaemyung (Korea Advanced Institute of Science and Technology)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.48, no.11, 2020 , pp. 903-910 More about this Journal
Abstract
This paper introduces a simulator to assess the impacts of the wind and the airframe vibration on the performance of the Active Electronically Scanned Array (AESA) radar mounted in an aircraft. The AESA radar is mounted on the nose cone of an aircraft, and vibration occurs due to the drag force. This vibration affects the behavior of the AESA radar and can cause phase errors in signal. The simulator adopts the geometric model for nose cone, the mathematical models on the rigid-body dynamics of the aircraft, the average/turbulent winds, and the mode/ambient vibrations to compute the position and the attitude of the radar accurately. Numerical studies reflecting a set of test scenarios were conducted to demonstrate the effectiveness of the developed simulator.
Keywords
Flight Simulator; Wind Model; Aircraft Vibration; Active Electronically Scanned Array;
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