Results 211 to 220 of about 11,867 (258)
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UAV-Aided Weather Radar Calibration
IEEE Transactions on Geoscience and Remote Sensing, 2019Weather radar is well recognized as an effective sensor for obtaining the microphysical and dynamical properties of precipitation at high spatial and temporal resolution. Radar calibration is one of the most important prerequisites for achieving accurate observations.
Jiapeng Yin +5 more
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Journal of Meteorology, 1945
Abstract In this paper a brief discussion of the use of radar in meteorology is presented. The appearance of various weather phenomena on radar scopes is described and a number of radar photographs of thunderstorms, cold fronts and typhoons is included.
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Abstract In this paper a brief discussion of the use of radar in meteorology is presented. The appearance of various weather phenomena on radar scopes is described and a number of radar photographs of thunderstorms, cold fronts and typhoons is included.
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Journal of Navigation, 1948
AbstractThe paper is divided into two parts.Part 1, under the heading of Non-standard Propagation, concerns variations in the apparent performance of marine navigational radar in its use for detecting shipping and land targets. The effects of changes in the density of the lower layers of the atmosphere on radar transmissions, their distortion of radar ...
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AbstractThe paper is divided into two parts.Part 1, under the heading of Non-standard Propagation, concerns variations in the apparent performance of marine navigational radar in its use for detecting shipping and land targets. The effects of changes in the density of the lower layers of the atmosphere on radar transmissions, their distortion of radar ...
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Physics Today, 2015
Dual-polarization radar promises to improve the modeling of convective storms. Dual-polarization radar promises to improve the modeling of convective storms.
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Dual-polarization radar promises to improve the modeling of convective storms. Dual-polarization radar promises to improve the modeling of convective storms.
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Proceedings International Radar Conference, 2002
The Federal Aviation Administration has established three ground-based weather radar programs. The terminal Doppler weather radar (TDWR) and weather system processor (WSP) provide wind shear detection capability for air traffic controllers in the terminal area. These systems also reduce weather related delays. The next generation weather radar (NEXRAD)
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The Federal Aviation Administration has established three ground-based weather radar programs. The terminal Doppler weather radar (TDWR) and weather system processor (WSP) provide wind shear detection capability for air traffic controllers in the terminal area. These systems also reduce weather related delays. The next generation weather radar (NEXRAD)
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1955
Publisher Summary Radars using a wavelength of the order of 10 cm can detect rain to ranges of 200 miles or more, and snow to somewhat shorter ranges. At 10 cm wavelength, the scattering of the radiation by the precipitation, which is the basis of this detection, does not weaken the beam appreciably such that the detection of rain at long range is ...
J.S. Marshall +2 more
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Publisher Summary Radars using a wavelength of the order of 10 cm can detect rain to ranges of 200 miles or more, and snow to somewhat shorter ranges. At 10 cm wavelength, the scattering of the radiation by the precipitation, which is the basis of this detection, does not weaken the beam appreciably such that the detection of rain at long range is ...
J.S. Marshall +2 more
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Journal of Applied Meteorology, 1975
Abstract The advantages of operating weather radar in a “surveillance” mode, i.e., recording automatically all precipitation at ranges from a few kilometers to a few hundred kilometers, can be achieved without sacrifice of regional performance. The operation can be made efficient in terms of five-dimensional resolution (three spatial, time and ...
J. Stewart Marshall +1 more
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Abstract The advantages of operating weather radar in a “surveillance” mode, i.e., recording automatically all precipitation at ranges from a few kilometers to a few hundred kilometers, can be achieved without sacrifice of regional performance. The operation can be made efficient in terms of five-dimensional resolution (three spatial, time and ...
J. Stewart Marshall +1 more
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Proceedings of the IEEE, 1979
The Doppler weather radar and its signals are examined from elementary considerations to show the origin and development of useful weather echo properties such as signal-to-noise ratio (SNR), range correlation, signal statistics, etc. We present a form of the weather radar equation which explicitly shows the echo power loss due to finite receiver ...
R.J. Doviak, D.S. Zrnic, D.S. Sirmans
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The Doppler weather radar and its signals are examined from elementary considerations to show the origin and development of useful weather echo properties such as signal-to-noise ratio (SNR), range correlation, signal statistics, etc. We present a form of the weather radar equation which explicitly shows the echo power loss due to finite receiver ...
R.J. Doviak, D.S. Zrnic, D.S. Sirmans
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Weather Radar and Ground-Penetrating Radar
2004This chapter examines two topics of modern radar: meteorological radar and ground-penetrating radar.
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SAE Technical Paper Series, 1967
<div class="htmlview paragraph">A number of design parameters are traded off in the design of an airborne weather radar system. The inter-relative effects of design tradeoffs can be meaningfully approximated by application of the standard range equation which takes into account such items as peak transmitter power, width of the transmitted pulse,
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<div class="htmlview paragraph">A number of design parameters are traded off in the design of an airborne weather radar system. The inter-relative effects of design tradeoffs can be meaningfully approximated by application of the standard range equation which takes into account such items as peak transmitter power, width of the transmitted pulse,
openaire +1 more source