The millimeter band doppler characteristics of wake vortices in cloudy and foggy
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College of Electronic Science and Engineering, National University of Defense Technology,State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics,State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics,State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics

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    Abstract:

    The differential equations of motion of the cloud droplets in wake vortices were derived. The trajectory and velocity distribution of cloud droplets in wake vortices were obtained by solving the equations of motion. Referring to the parameters of the typical W band millimeter-wave radar, the maximum detection range of wake vortex was analyzed. Then a methodology to simulate the radar Doppler characteristics of wake vortices in cloud was proposed, and the Doppler characteristics of wake vortices in cloud under typical resolution conditions were simulated. The simulation results show that Doppler characteristics of wake vortices in cloud are consistent with the velocity characteristics of wake vortices.

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WANG Tao, QU Long-Hai, GUO Chen, WANG Hai-Jun. The millimeter band doppler characteristics of wake vortices in cloudy and foggy[J]. Journal of Infrared and Millimeter Waves,2014,33(4):412~419

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History
  • Received:March 07,2013
  • Revised:May 18,2014
  • Adopted:August 09,2013
  • Online: September 02,2014
  • Published: