Results 21 to 30 of about 2,069 (213)

Velocity Dealiased Spectral Estimators of Range Migrating Targets using a Single Low-PRF Wideband Waveform [PDF]

open access: yes, 2013
Wideband radars are promising systems that may provide numerous advantages, like simultaneous detection of slow and fast moving targets, high range-velocity resolution classification, and electronic countermeasures.
Bidon, Stéphanie   +3 more
core   +1 more source

Construction and Application of Weather Radar Aerial Ecological Monitoring System

open access: yes应用气象学报, 2023
Ecological monitoring is an important part of environmental protection. To monitor the movement and abundance of animals in the airspace, an Aerial Ecological Monitoring System (AEMS) is developed by CMA Meteorological Observation Center for China's next-
Liang Li   +9 more
doaj   +1 more source

Assimilation of DAWN Doppler wind lidar data during the 2017 Convective Processes Experiment (CPEX): impact on precipitation and flow structure [PDF]

open access: yesAtmospheric Measurement Techniques, 2021
An improved representation of 3-D air motion and precipitation structure through forecast models and assimilation of observations is vital for improvements in weather forecasting capabilities.
S. Hristova-Veleva   +5 more
doaj   +1 more source

Airborne polarimetric Doppler weather radar: trade-offs between various engineering specifications [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2018
NCAR EOL is investigating potential configurations for the next-generation airborne phased array radar (APAR) that is capable of retrieving dynamic and microphysical characteristics of clouds and precipitation. The APAR will operate at C band.
J. Vivekanandan, E. Loew
doaj   +1 more source

Deep Learning on Airborne Radar Echograms for Tracing Snow Accumulation Layers of the Greenland Ice Sheet

open access: yesRemote Sensing, 2021
Climate change is extensively affecting ice sheets resulting in accelerating mass loss in recent decades. Assessment of this reduction and its causes is required to project future ice mass loss.
Debvrat Varshney   +5 more
doaj   +1 more source

Quantifying insect migration across Bohai strait using weather radar

open access: yesThe Journal of Engineering, 2019
Weather radars provide continuous recording over extensive spatial coverage, which is valuable for biologists who observe and study biological activities over a wide range of temporal and spatial scales.
Kai Cui   +5 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

Use of a portable topographic mapping millimetre wave radar at an active lava flow. [PDF]

open access: yes, 2006
A ground-based millimetre wave radar, AVTIS (All-weather Volcano Topography Imaging Sensor), has been developed for topographic monitoring. The instrument is portable and capable of measurements over ranges up to ∼7 km through cloud and at night.
James, M R   +9 more
core   +1 more source

Fast post-Doppler STAP with road map for traffic monitoring: overview and first results [PDF]

open access: yesAdvances in Radio Science, 2019
Synthetic aperture radar (SAR) is an efficient solution for road traffic monitoring due to its high spatial resolution and independence from daylight and weather conditions.
A. B. C. da Silva   +2 more
doaj   +1 more source

Airborne Multi-functional Maritime Surveillance Radar System Design and Key Techniques

open access: yesLeida xuebao, 2019
As the main task load of the airborne platform for sea detection, the airborne multi-functional marine surveillance radar system has the following characteristics: the ability to operate in all weather conditions regularly, a wide detection range, and a ...
JIANG Qian, WU Hao, WANG Yanyu
doaj   +1 more source

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