Radar wind profiler signal characteristics during bird migration
to reduce bird contamination (Merritt, 1995; Jordan et al., 1997; Ishihara et al., ... problem in wind profiler signal processing, namely the (optimal) selection of dwell time .... Interfering signals may be caused by other radio transmitters operating.
[ 58.pdf - Read/Download File
U.S. Wind Profilers - Office of the Federal Coordinator for Meteorology
research applications of profiler systems, and of challenges which remain in the processing of .... 1950s indicated that radio waves are scattered by turbulence in the .... Automated ways to recognize bird contamination in the wind data have.
[ profilers.pdf - Read/Download File
Performance of Five 915-MHz Wind Profilers and an Associated
data except when maintenance problems or heavy precipitation are present. Precipitation affected as ... LAP-3000 915-MHz Doppler radar wind profilers. ( DRWPs) with ..... contaminated by radio frequency interference (RFI). RFI contamination ...
[ jaot-2003.pdf - Read/Download File
Summary of the Offshore Brazos A-19 2005 & 2006 Radar Profiler
CONSIDERATIONS AND ISSUES ASSOCIATED WITH OFFSHORE .... 4.1 Radar Wind Profiler and Radio Acoustic Sounding System . ..... further a conceptual model of air pollution in eastern Texas and help determine whether prognostic ...
[ 582564593FY0619_TexAQSII_OffshoreProfilerDataCollection.pdf - Read/Download File
Implementation of a Gabor Transform Data Quality-Control Algorithm
contamination in UHF wind profiling radars, such as that produced by migrating birds. The algorithm is applied in the ... problems affecting radar wind profilers has been sig- .... ground clutter and radio frequency interference (RFI) identification ...
[ JTECH-D-13-00089.1 - Read/Download File
Contamination of Wind Profiler Data by Migrating Birds
Winds measured with 915- and 404-MHz wind profilers are frequently found to ... military concerns and for air traffic control, led to ...... Radio Sci., 25, 899–906.
[ 1520-0426(1995)012<0449:COWPDB>2.0.CO;2 - Read/Download File
Improving wind profiler measurements exhibiting clutter - WMO
Radar wind profiler data is subject to contamination from various non- atmospheric signals, including stationary and moving ground clutter, intermittent clutter, and radio ... for addressing contamination problems in operational wind profilers.
[ P2(20)_Lehtinen_USA.pdf - Read/Download File
Removing Ground and Intermittent Clutter Contamination from Wind
mittent clutter contamination from wind profiler signals. As such, this ... special issue of the IEEE Proceedings (1996) edited ...... radio frequency interference.
[ Wavelet_JORDAN.pdf - Read/Download File
New Observations by Wind Profiling Radars - InTech
Apr 5, 2012 ... Wind profiling radar, also referred to as “radar wind profiler”, “wind profiler” ... atmospheric research such as radio wave scattering, gravity waves, turbulence, .... The constrained minimization problem can be solved .... Center for Atmospheric Research (NCAR) in order to mitigate effects of bird contamination.
[ 35115.pdf - Read/Download File
Session 6: Upper-Air Meteorological Measurements - ladco
wind profilers (RWP) with radio acoustic sounding systems (RASS), and sound ... is close to the ground, pollution is confined to a small volume of air next to the ground ... meteorological phenomena or instrument problem?) o Use other ...
[ session_6_UA_met2011.pdf - Read/Download File
The Operational Wind Profiler Network of the Japan Meteorological
Although a problem of data contamination from migrating birds had occurred in the first year of the operation of WINDAS, it was practically solved ... radio frequency being used in wind profilers (Rottger and Larsen, 1990 ; Dibbern et al., 2001).
[ K.03A_Ishihara.pdf - Read/Download File
Upper-Air Data Validation and Applications (PDF) - US
wind profilers with radio acoustic sounding systems (RASS), and. SOund Detection and ... pollution is confined to a small volume of air next to the ground, resulting in .... associated with site selection issues), RASS observations may exhibit a ...
[ 97workbook11.pdf - Read/Download File
Reconciliation of Surface and Profiler Winds at ISS Sites - American
Further work is now under way in the profiler community to address the issue of sea clutter on ship-based and near-sea ... ler wind profiler, a Radio Acoustic Sounding System. (RASS) ... including the discovery of sea-clutter contamination in.
[ Hartten1998JAOT.pdf - Read/Download File
Profiles of radio refractive index and humidity derived from radar
wind profilers and the Global Positioning System. Earl E. Gossard ... events) and the presence of biological contaminants in some geographical areas (such as coastal zones .... problem are somewhat analogous to the indirect retrieval of the ...
[ pdf - Read/Download File
M.2013 - Wind profiler radars - ITU
use of the benefits of wind profiler radars, suitable radio frequency bands need to ... For very short-term weather forecasting, air pollution monitoring, wind field ..... profiler in this channel and in this separation region, the bandwidth issue is no ...
[ R-REP-M.2013-1997-PDF-E.pdf - Read/Download File
Humidity Gradient Profiles from Wind Profiling Radars Using the
Jan 20, 2003 ... first, and second moments of wind profiling radar (WPR) Doppler spectra was developed and tested. .... contamination from ground clutter, radio frequency in- ...... problems similar to 915-MHz radar and that the longer.
[ 55f9739f08aec948c492f358.pdf - Read/Download File
The Right Profile - A New Wind Profiler - DeTect, Inc.
air-pollution studies. Currently ... A new system of radar wind profilers has been developed that has several new features ... important security issues requiring.
[ Article - The Right Profile- A New Wind Profiler - McLaghlin - Met Tech Intl 1007.pdf - Read/Download File
Electronically Stabilized Phased Array Shipborne Radar Wind Profiler
wind profilers (RWPs) for shipboard applications has ..... sible contamination from ground and sea clutter, radio ..... radar: Problems and possible solutions. Proc.
[ Paper - Electronically Stabilized Phased Array Shipborne RWP - Law McLaughlin 01.pdf - Read/Download File
Efficiency of Atmospheric Radar Signal Processing Using Eigen
and estimate the spectrum parameters and thereby complete wind profiling about 20 km with temporal resolution ... contaminated with noise. Retrieving the signal information in the noise background is always an issue. ..... Radio Sci., 42, 1-12.
[ SP_009_ext_abs.pdf - Read/Download File
Research Applications of a Boundary-Layer Wind Profiler
Abstract. A small UHF radar wind profiler was operated over a 40-day ... They are sufficiently sensitive to enable wind profiling in clear air ...... effects of rain on radio propagation. Attempts to ... The classical problem in radar drop sizing is that the drop-size ..... on Applications of Air Pollution Meteorology, New Orleans,. Amer.
[ Radar915Applications.pdf - Read/Download File