Results 1 to 10 of about 260,166 (161)

Bayesian Deconvolution for Angular Super-Resolution in Forward-Looking Scanning Radar

open access: yesSensors, 2015
Scanning radar is of notable importance for ground surveillance, terrain mapping and disaster rescue. However, the angular resolution of a scanning radar image is poor compared to the achievable range resolution.
Yuebo Zha   +4 more
doaj   +3 more sources

Error analyses of a multistatic meteor radar system to obtain a three-dimensional spatial-resolution distribution [PDF]

open access: yesAtmospheric Measurement Techniques, 2021
In recent years, the concept of multistatic meteor radar systems has attracted the attention of the atmospheric radar community, focusing on the mesosphere and lower thermosphere (MLT) region. Recently, there have been some notable experiments using such
W. Zhong   +13 more
doaj   +1 more source

Radar-SR3: A Weather Radar Image Super-Resolution Generation Model Based on SR3

open access: yesAtmosphere, 2023
To solve the problems of the current deep learning radar extrapolation model consuming many resources and the final prediction result lacking details, a weather radar image super-resolution weather model based on SR3 (super-resolution via image ...
Zhanpeng Shi   +4 more
doaj   +1 more source

Weather Radar Super-Resolution Reconstruction Based on Residual Attention Back-Projection Network

open access: yesRemote Sensing, 2023
Convolutional neural networks (CNNs) have been utilized extensively to improve the resolution of weather radar. Most existing CNN-based super-resolution algorithms using PPI (Plan position indicator, which provides a maplike presentation in polar ...
Qiu Yu   +6 more
doaj   +1 more source

Determination of the Spatial Resolution of Radar Images in Remote Sensing of the Earth

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2021
Introduction. The analysis of the current state and prospects of space-based radar surveillance tools is important for determining their functions in global aerospace information systems, which aim to monitor air and space, as well as the Earth's surface.
S. N. Gusev   +2 more
doaj   +1 more source

Enhancing the Radar Cross-Range Resolution in Ultra-Fast Radar Scans by Utilizing Frequency Coded Sub-Channels

open access: yesSensors, 2022
This contribution handles a single-channel radar method that utilizes frequency-coded sub-channels for enabling cross-range resolution. Because of the sub-channel coding, the whole area of interest (AOI) is scanned within a single radar measurement.
Christoph Baer   +3 more
doaj   +1 more source

Newtonalized orthogonal matching pursuit for the linear frequency‐modulated pulse frequency agile radar

open access: yesIET Radar, Sonar & Navigation, 2021
The linear frequency‐modulated frequency agile radar (FAR) can be used for synthesizing high‐range‐resolution profiles (HRRP), and also has excellent electronic counter‐countermeasures performance. Similar to the Newtonalized orthogonal matching pursuit (
Jiang Zhu   +4 more
doaj   +1 more source

Coherent compensation and high‐resolution technology of multi‐band inverse synthetic aperture radar fusion imaging

open access: yesIET Radar, Sonar & Navigation, 2021
Multi‐band inverse synthetic aperture radar (ISAR) fusion imaging technology can effectively improve the range resolution without incurring high hardware cost.
Xiaoxiu Zhu   +5 more
doaj   +1 more source

Forward-Looking Super-Resolution Imaging of MIMO Radar via Sparse and Double Low-Rank Constraints

open access: yesRemote Sensing, 2023
Multiple-input multiple-output (MIMO) radar uses waveform diversity technology to form a virtual aperture to improve the azimuth resolution of forward-looking imaging.
Junkui Tang   +4 more
doaj   +1 more source

Validation of the Effective Resolution of SMAP Enhanced Resolution Backscatter Products

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
NASA's Soil Moisture Active Passive (SMAP) mission originally included both passive and active L-band measurement capabilities. It was the first satellite instrument to provide global L-band radar observations of normalized radar cross section ...
David G. Long, Julie Z. Miller
doaj   +1 more source

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