Results 1 to 10 of about 642,128 (227)

The Impact of the Radar-Sampling Volume on Multiwavelength Spaceborne Radar Measurements Using Airborne Radar Observations

open access: yesRemote Sensing, 2019
Multiwavelength radar observations have demonstrated great potential in improving microphysical retrievals of cloud properties especially in ice and snow precipitation systems.
Alessandro Battaglia   +2 more
exaly   +3 more sources

Forward modeling of spaceborne radar observations [PDF]

open access: yesAtmospheric Measurement Techniques
Accurate forward models, particularly radiative transfer models, are essential for the assimilation of both passive and active satellite observations in modern data assimilation frameworks.
I. Moradi, I. Moradi, S. Kalluri, Y. Zhu
doaj   +2 more sources

Three-way calibration checks using ground-based, ship-based, and spaceborne radars [PDF]

open access: yesAtmospheric Measurement Techniques, 2022
This study uses ship-based weather radar observations collected from research vessel Investigator to evaluate the Australian weather radar network calibration monitoring technique that uses spaceborne radar observations from the NASA Global Precipitation
A. Protat   +4 more
doaj   +1 more source

Analysis of Low-Oversampled Staggered SAR Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
The combination of SCan-On-REceive with continuous variation of the pulse repetition interval during transmission (staggered operation) is a viable option for the acquisition of high-resolution synthetic aperture radar (SAR) data over wide areas.
Muriel Pinheiro   +3 more
doaj   +1 more source

Ground-Based Oblique-View Photogrammetry and Sentinel-1 Spaceborne RADAR Reflectivity Snow Melt Processes Assessment on an Arctic Glacier

open access: yesRemote Sensing, 2023
The snowpack evolution during the melt season on an Arctic glacier is assessed using ground-based oblique-view cameras, spaceborne imaging and spaceborne RADAR.
Jean-Michel Friedt   +2 more
doaj   +1 more source

Multi-frequency and multi-angle radar methods application peculiarities for parameters estimation of oil pollutions on sea surface [PDF]

open access: yesРадиофизика и электроника, 2019
Subject and purpose. Comparative analysis of multi-frequency (MFM) and multi-angle (MAM) radar methods has to be carried out in order to evaluate their measurement capabilities for parameters diagnostic of emergency oil spill on sea surface.
А.Ya. Matveev   +6 more
doaj   +1 more source

First Spaceborne Version of Velocity-Azimuth Display Technique for Wind Field Retrieval on Cloud and Precipitation Radar

open access: yesAtmosphere, 2020
Cloud and precipitation radar mounted on a polar orbiting satellite opens up a new opportunity for global wind observation to improve numerical weather forecasting and prevent weather disasters.
Yuexia Wang, Ming Wei, Quan Shi
doaj   +1 more source

Minimum detection velocity performance analysis for air moving target detection in a spaceborne surveillance radar system

open access: yesElectronics Letters, 2023
Due to the advantages of wide coverage, continuous remote monitoring, and high measurement accuracy, the spaceborne multi‐channel surveillance radar has been widely used for the air moving target detection and tracking.
Jingtao Ma   +4 more
doaj   +1 more source

Feasibility Study on Passive-radar Detection of Space Targets Using Spaceborne Illuminators of Opportunity

open access: yesLeida xuebao, 2015
Space target surveillance generally uses active radars. To take full advantage of passive radars, the idea of using spaceborne illuminators of opportunity for space target detection is presented in this paper.
Jiang Tie-zhen   +3 more
doaj   +1 more source

Intercomparison of Vertical Structure of Storms Revealed by Ground-Based (NMQ) and Spaceborne Radars (CloudSat-CPR and TRMM-PR)

open access: yesThe Scientific World Journal, 2013
Spaceborne radars provide great opportunities to investigate the vertical structure of clouds and precipitation. Two typical spaceborne radars for such a study are the W-band Cloud Profiling Radar (CPR) and Ku-band Precipitation Radar (PR), which are ...
Veronica M. Fall, Qing Cao, Yang Hong
doaj   +1 more source

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