NDLI: Wind turbine clutter mitigation using fully adaptive arrays

Content Provider	IEEE Xplore Digital Library
Author	Palmer, R.D. Le, K.D. Isom, B.
Copyright Year	2008
Description	Author affiliation: Atmos. Radar Res. Center, Norman, OK (Palmer, R.D.; Le, K.D.; Isom, B.)
Abstract	Doppler weather radar are susceptible to clutter contamination from both ground and airborne hard targets. Ground clutter can normally be mitigated through conventional filtering methods based on the assumption that the target is stationary. Wind turbines, which are becoming commonplace across the United States, are fixed in place but the blades rotate causing a significant Doppler shift in their signals. In fact, the blades rotate at such a rate to produce Doppler velocities on the order of 80 m $s^{-1}.$ The wind turbines vane into the wind and therefore the radial component of their motion is not known a priori. This so-called wind turbine clutter (WTC) is problematic because of its non-zero Doppler velocity and is known to cause significant artifacts in weather radar data. Here, the spectral signature of actual WTC from an S-band NEXRAD radar in the United States will be studied. Several examples will be provided proving the challenge in dealing with this interference. As a possible solution, adaptive phased array radars will be proposed as a concept for interference rejection. Sophisticated numerical simulations will be provided, which show the limitations and benefits of adaptive arrays for mitigating WTC.
Starting Page	356
Ending Page	359
File Size	743929
Page Count	4
File Format	PDF
ISBN	9782874870095
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-30
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	European Microwave Assoc.
Subject Keyword	Phased arrays Doppler shift Meteorological radar Filtering Blades Adaptive arrays Interference Wind turbines Clutter Contamination
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in