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Remote Sensing, Volume 15, Issue 6

March-2 2023 - 247 articles

Cover Story: Azimuth multichannel (AMC) technology is one of the mainstream methods for achieving high-resolution wide-range (HRWS) imaging. However, the inevitable imbalance between channels can seriously affect the spectrum reconstruction results and reduce the quality of SAR images. According to the impact of mismatched reconstruction filters on the weighting matrix, this paper proposes a channel consistency correction method based on the range-Doppler domain to solve this problem. This method first performs spectrum reconstruction on multichannel echo signals with errors and then finds the phase error between channels by minimizing the sum of the sub-band norms (MSSBN) optimization model. Experimental results of simulated data and GF-3 measured data verify the proposed algorithm's high estimation accuracy and excellent computational efficiency. View this paper
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Articles (247)

  • Article
  • Open Access
35 Citations
5,038 Views
27 Pages

Drought Disasters in China from 1991 to 2018: Analysis of Spatiotemporal Trends and Characteristics

  • Xiaofeng Wang,
  • Pingping Luo,
  • Yue Zheng,
  • Weili Duan,
  • Shuangtao Wang,
  • Wei Zhu,
  • Yuzhu Zhang and
  • Daniel Nover

22 March 2023

Droughts have emerged as a global problem in contemporary societies. China suffers from different degrees of drought almost every year, with increasing drought severity each year. Droughts in China are seasonal and can severely impact crops. This stu...

  • Article
  • Open Access
3 Citations
1,825 Views
17 Pages

Remote Seismoacoustic Monitoring of Tropical Cyclones in the Sea of Japan

  • Grigory Dolgikh,
  • Stanislav Dolgikh,
  • Vladimir Chupin,
  • Aleksandr Davydov and
  • Aleksandr Mishakov

22 March 2023

In the course of processing and analysing data from a two-coordinate laser strainmeter, obtained during the propagation of the Hagupit typhoon over the Sea of Japan, we researched the possibility of sensing the direction of tropical cyclones/typhoons...

  • Article
  • Open Access
18 Citations
4,401 Views
20 Pages

22 March 2023

A stable and reliable cloud detection algorithm is an important step of optical satellite data preprocessing. Existing threshold methods are mostly based on classifying spectral features of isolated individual pixels and do not contain or incorporate...

  • Article
  • Open Access
8 Citations
3,893 Views
30 Pages

22 March 2023

Mapping the spatial and temporal dynamics of tropical herbaceous wetlands is vital for a wide range of applications. Inundated vegetation can account for over three-quarters of the total inundated area, yet widely used EO mapping approaches are limit...

  • Article
  • Open Access
10 Citations
4,511 Views
28 Pages

Present-Day Surface Deformation in North-East Italy Using InSAR and GNSS Data

  • Giulia Areggi,
  • Giuseppe Pezzo,
  • John Peter Merryman Boncori,
  • Letizia Anderlini,
  • Giuliana Rossi,
  • Enrico Serpelloni,
  • David Zuliani and
  • Lorenzo Bonini

22 March 2023

Geodetic data can detect and estimate deformation signals and rates due to natural and anthropogenic phenomena. In the present study, we focus on northeastern Italy, an area characterized by ~1.5–3 mm/yr of convergence rates due to the collisio...

  • Communication
  • Open Access
8 Citations
2,313 Views
16 Pages

Distinguishing Buildings from Vegetation in an Urban-Chaparral Mosaic Landscape with LiDAR-Informed Discriminant Analysis

  • Thomas J. Yamashita,
  • David B. Wester,
  • Michael E. Tewes,
  • John H. Young and
  • Jason V. Lombardi

22 March 2023

Identification of buildings from remotely sensed imagery in urban and suburban areas is a challenging task. Light detection and Ranging (LiDAR) provides an opportunity to accurately identify buildings by identification of planar surfaces. Dense veget...

  • Article
  • Open Access
34 Citations
7,699 Views
26 Pages

Continuously Updated Digital Elevation Models (CUDEMs) to Support Coastal Inundation Modeling

  • Christopher J. Amante,
  • Matthew Love,
  • Kelly Carignan,
  • Michael G. Sutherland,
  • Michael MacFerrin and
  • Elliot Lim

22 March 2023

The National Oceanic and Atmospheric Administration (NOAA) National Centers for Environmental Information (NCEI) generates digital elevation models (DEMs) that range from the local to global scale. Collectively, these DEMs are essential to determinin...

  • Article
  • Open Access
4 Citations
2,656 Views
21 Pages

A Low-Cost Deep Learning System to Characterize Asphalt Surface Deterioration

  • Diogo Inácio,
  • Henrique Oliveira,
  • Pedro Oliveira and
  • Paulo Correia

22 March 2023

Every day millions of people travel on highways for work- or leisure-related purposes. Ensuring road safety is thus of paramount importance, and maintaining good-quality road pavements is essential, requiring an effective maintenance policy. The auto...

  • Article
  • Open Access
8 Citations
3,638 Views
17 Pages

Overcoming Domain Shift in Neural Networks for Accurate Plant Counting in Aerial Images

  • Javier Rodriguez-Vazquez,
  • Miguel Fernandez-Cortizas,
  • David Perez-Saura,
  • Martin Molina and
  • Pascual Campoy

22 March 2023

This paper presents a novel semi-supervised approach for accurate counting and localization of tropical plants in aerial images that can work in new visual domains in which the available data are not labeled. Our approach uses deep learning and domai...

  • Article
  • Open Access
3 Citations
2,266 Views
23 Pages

21 March 2023

The coupling and spatial variation of range and azimuth parameters is the biggest challenge for bistatic forward-looking SAR (BFSAR) imaging. In contrast with the monostatic SAR and translational invariant bistatic SAR (TI-BSAR), the range cell migra...

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Remote Sens. - ISSN 2072-4292