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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
11 Citations
2,920 Views
20 Pages

22 March 2023

Grassland locusts harm a large amount of grassland every year. Grassland locusts have caused devastating disasters across grassland resources and have greatly impacted the lives of herdsmen. Due to the impacts of climate change and human activity, th...

  • Article
  • Open Access
1 Citations
2,164 Views
22 Pages

22 March 2023

Due to land contamination and human activities, the sea surface height (SSH) data retrieved from altimeter coastal waveforms have poor precision and cannot provide effective information for various tasks. The along-track high-resolution characteristi...

  • Article
  • Open Access
4 Citations
2,497 Views
17 Pages

22 March 2023

Noises in the GPS vertical coordinate time series, mainly including the white and flicker noise, have been proven to impair the accuracy and reliability of GPS products. Various methods were adopted to weaken the white and flicker noises in the GPS t...

  • Article
  • Open Access
8 Citations
3,682 Views
36 Pages

Breach Progression Observation in Rockfill Dam Models Using Photogrammetry

  • Geir Helge Kiplesund,
  • Fjola Gudrun Sigtryggsdottir and
  • Leif Lia

22 March 2023

Dam failures are examples of man-made disasters that have stimulated investigation into the processes related to the failure of different dam types. Embankment dam breaching during an overtopping event is one of the major modes of failure for this da...

  • Article
  • Open Access
22 Citations
5,382 Views
27 Pages

Passive Electro-Optical Tracking of Resident Space Objects for Distributed Satellite Systems Autonomous Navigation

  • Khaja Faisal Hussain,
  • Kathiravan Thangavel,
  • Alessandro Gardi and
  • Roberto Sabatini

22 March 2023

Autonomous navigation (AN) and manoeuvring are increasingly important in distributed satellite systems (DSS) in order to avoid potential collisions with space debris and other resident space objects (RSO). In order to accomplish collision avoidance m...

  • Article
  • Open Access
10 Citations
3,161 Views
16 Pages

A Data Assimilation Method Combined with Machine Learning and Its Application to Anthropogenic Emission Adjustment in CMAQ

  • Congwu Huang,
  • Tao Niu,
  • Hao Wu,
  • Yawei Qu,
  • Tijian Wang,
  • Mengmeng Li,
  • Rong Li and
  • Hongli Liu

22 March 2023

Anthropogenic emissions play an important role in air quality forecasting. To improve the forecasting accuracy, the use of nudging as the data assimilation method, combined with extremely randomized trees (ExRT) as the machine learning method, was de...

  • Article
  • Open Access
16 Citations
3,794 Views
27 Pages

Nearest Neighboring Self-Supervised Learning for Hyperspectral Image Classification

  • Yao Qin,
  • Yuanxin Ye,
  • Yue Zhao,
  • Junzheng Wu,
  • Han Zhang,
  • Kenan Cheng and
  • Kun Li

22 March 2023

Recently, state-of-the-art classification performance of natural images has been obtained by self-supervised learning (S2L) as it can generate latent features through learning between different views of the same images. However, the latent semantic i...

  • Article
  • Open Access
6 Citations
2,780 Views
23 Pages

Visible Near-Infrared Spectroscopy and Pedotransfer Function Well Predict Soil Sorption Coefficient of Glyphosate

  • Sonia Akter,
  • Lis Wollesen de Jonge,
  • Per Møldrup,
  • Mogens Humlekrog Greve,
  • Trine Nørgaard,
  • Peter Lystbæk Weber,
  • Cecilie Hermansen,
  • Abdul Mounem Mouazen and
  • Maria Knadel

22 March 2023

The soil sorption coefficient (Kd) of glyphosate mainly controls its transport and fate in the environment. Laboratory-based analysis of Kd is laborious and expensive. This study aimed to test the feasibility of visible near-infrared spectroscopy (vi...

  • Article
  • Open Access
10 Citations
2,466 Views
17 Pages

Evaluation and Error Decomposition of IMERG Product Based on Multiple Satellite Sensors

  • Yunping Li,
  • Ke Zhang,
  • Andras Bardossy,
  • Xiaoji Shen and
  • Yujia Cheng

22 March 2023

The Integrated Multisatellite Retrievals for GPM (IMERG) is designed to derive precipitation by merging data from all the passive microwave (PMW) and infrared (IR) sensors. While the input source errors originating from the PMW and IR sensors are imp...

  • Communication
  • Open Access
13 Citations
3,027 Views
10 Pages

22 March 2023

SAR-ATR (synthetic aperture radar-automatic target recognition) is a hot topic in remote sensing. This work suggests a few-shot target recognition approach (FTL) based on the concept of transfer learning to accomplish accurate target recognition of S...

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Remote Sens. - ISSN 2072-4292