Analysis And Improved Design Considerations For Airborne Pulse Doppler Radar Signal Processing In The Detection Of Hazardous Windshear
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Analysis and Improved Design Considerations for Airborne Pulse Doppler Radar Signal Processing in the Detection of Hazardous Windshear
Author | : National Aeronautics and Space Administration (NASA) |
Publsiher | : Createspace Independent Publishing Platform |
Total Pages | : 142 |
Release | : 2018-07-18 |
Genre | : Electronic Book |
ISBN | : 1722941367 |
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High resolution windspeed profile measurements are needed to provide reliable detection of hazardous low altitude windshear with an airborne pulse Doppler radar. The system phase noise in a Doppler weather radar may degrade the spectrum moment estimation quality and the clutter cancellation capability which are important in windshear detection. Also the bias due to weather return Doppler spectrum skewness may cause large errors in pulse pair spectral parameter estimates. These effects are analyzed for the improvement of an airborne Doppler weather radar signal processing design. A method is presented for the direct measurement of windspeed gradient using low pulse repetition frequency (PRF) radar. This spatial gradient is essential in obtaining the windshear hazard index. As an alternative, the modified Prony method is suggested as a spectrum mode estimator for both the clutter and weather signal. Estimation of Doppler spectrum modes may provide the desired windshear hazard information without the need of any preliminary processing requirement such as clutter filtering. The results obtained by processing a NASA simulation model output support consideration of mode identification as one component of a windshear detection algorithm. Lee, Jonggil Unspecified Center AIRBORNE EQUIPMENT; DETECTION; HAZARDS; METEOROLOGICAL RADAR; PULSE DOPPLER RADAR; SIGNAL PROCESSING; STATISTICAL ANALYSIS; WEATHER; WIND SHEAR; WIND VELOCITY; ALGORITHMS; CLUTTER; ERRORS; ESTIMATES; ESTIMATING; HIGH RESOLUTION; LOW ALTITUDE; LOW FREQUENCIES; SIMULATION; SPECTRA...
Airborne Wind Shear Detection and Warning Systems Third Combined Manufacturers and Technologists Conference Part 2
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 510 |
Release | : 1991 |
Genre | : Electronic Book |
ISBN | : NASA:31769000472418 |
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Scientific and Technical Aerospace Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1572 |
Release | : 1992 |
Genre | : Aeronautics |
ISBN | : UIUC:30112078757413 |
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Government reports annual index
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1322 |
Release | : 199? |
Genre | : Electronic Book |
ISBN | : MSU:31293017238548 |
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The Pulse pair Algorithm as a Robust Estimator of Turbulent Weather Spectral Parameters Using Airborne Pulse Doppler Radar
Author | : Ernest Granville Baxa,Jonggil Lee |
Publsiher | : Unknown |
Total Pages | : 44 |
Release | : 1991 |
Genre | : Doppler radar |
ISBN | : NASA:31769000514680 |
Download The Pulse pair Algorithm as a Robust Estimator of Turbulent Weather Spectral Parameters Using Airborne Pulse Doppler Radar Book in PDF, Epub and Kindle
NASA Contractor Report
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 388 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : MINN:31951P001616023 |
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Dissertation Abstracts International
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 604 |
Release | : 1991 |
Genre | : Dissertations, Academic |
ISBN | : STANFORD:36105020027764 |
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Transportation Weekly Government Abstracts
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 572 |
Release | : 1991 |
Genre | : Transportation |
ISBN | : COLUMBIA:AR00131482 |
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