Waves and Devices Chapter Seminar - Topics in Aircraft Electromagnetics: Rotor Blade Modulation and Radomes
#aircraft
#electromagnetics
#helicoptor
#rotor
#blade
#modulation
#interference
#quasi
#stationary
#HF
#Ku
#mitigation
#radome
#radar
#antenna
#protection
#transparent
#material
#attenuation
#de-polarization
#example
#ron
#lavin
#boeing
#MS
#depaul
#BSEE
#florida
#international
#university
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS WAVES AND DEVICES - Phoenix Chapter Meeting Free & Open to Non-IEEE Members 6:30 to 8:00PM, Wednesday, Nov 19, 2014 Goldwater Center, GWC487, 650 E. Tyler Mall, Tempe AZ
Speaker: Ron Lavin
Associate Technical Fellow, Boeing
Abstract 1:
The rotational motion of a helicopter's rotor blades can interfere with communication and navigation signal reception by imposing an unwanted modulation upon the amplitude, phase, and frequency of affected signals. The physics of rotor modulation is complex but can be reliably predicted based on the “quasi-stationary†technique introduced by Professor Jean Van Bladel, and additional techniques developed by Professor Constantine Balanis and members of the Advanced Helicopter Electromagnetic consortium at Arizona State University. This talk will introduce rotor blade modulation physics and provide examples of modeling it for different antennas on a helicopter operating from HF through Ku band. Strategies for mitigating rotor blade modulation are also offered.
Abstract 2:
A radome (from RADAR + Dome, coined circa 1944) is a dome or other structure protecting antenna equipment and made from an electromagnetically transparent material. Aircraft radomes come in a variety of shapes and sizes, and protect a variety of antenna types including weather radar, communications and navigation systems, and various sensors. Proper radome design minimizes unwanted electromagnetic effects such as attenuation, de-polarization, and reflection/refraction of signals, and provides bandpass characteristics appropriate for the application. A review of considerations in radome design with practical design examples is provided with practical examples.
Biography:
Ron Lavin is an Associate Technical Fellow in Boeing and a member of IEEE since 1997. He has 20 years of aerospace experience and has held key roles on many satellite, aircraft, and helicopter programs. Currently, he leads a team of multi-disciplinary engineers and scientists in providing innovative and affordable electromagnetic products and services for government and commercial customers, and serves as the Boeing technical monitor for the Advanced Helicopter Electromagnetics consortium at Arizona State University. Prior to joining Boeing in 2001, he was an FAA Spectrum Management official in Chicago. He holds an MS in Computer Science from DePaul University and a BSEE degree from Florida International University.
Meeting in is Goldwater Center - GWC - Room 487
Building is across from Noble Science Library at Arizona State University
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- 650 E. Tyler Mall
- Tempe, Arizona
- United States 85281
- Building: ASU, Goldwater Center
- Room Number: GWC487
- Click here for Map
- Contact Event Host
- Steve Rockwell (WAD Chapter Chair) (480) 241-9891 steve.rockwell@ieee.org Curtis Scott (WAD Chapter Publicity) (623) 703-9177 curtiscott@gmail.com
- Co-sponsored by Curtis Scott
- Starts 06 October 2014 08:00 PM UTC
- Ends 19 November 2014 07:00 AM UTC
- No Admission Charge
Date: Wednesday, Nov 19, 2014 Time: 6:30-8:00 PM Presentations (Pizza will be served following the Seminar) Location: ASU, Goldwater Center, GWC487, 650 E. Tyler Mall, Tempe, AZ For more information, contact: Steve Rockwell (WAD Chapter Chair) (480) 241-9891 steve.rockwell@ieee.org Curtis Scott (Chapter Publicity) (623) 703-9177 curtiscott@gmail.com WAD Website: http://ewh.ieee.org/r6/phoenix/wad/