Search Results - "Kun-Shan Chen"
-
1
A Physically Based Soil Moisture Index From Passive Microwave Brightness Temperatures for Soil Moisture Variation Monitoring
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.04.2020Published in IEEE transactions on geoscience and remote sensing (01.04.2020)“…Soil moisture is a pivotal hydrological variable that links the terrestrial water, energy, and carbon cycles. In this article, a new soil moisture (SM) index…”
Get full text
Journal Article -
2
A Preliminary Evaluation of the SMAP Radiometer Soil Moisture Product Over United States and Europe Using Ground-Based Measurements
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.08.2016Published in IEEE transactions on geoscience and remote sensing (01.08.2016)“…The Soil Moisture Active Passive (SMAP) mission, which is the newest L-band satellite that is specifically designed for soil moisture monitoring, was launched…”
Get full text
Journal Article -
3
Spatial Representativeness of Soil Moisture Stations and Its Influential Factors at a Global Scale
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2025Published in IEEE transactions on geoscience and remote sensing (2025)“…The spatial representativeness error of in situ soil moisture (SM) is recognized as a major source of uncertainty when validating satellite SM products with a…”
Get full text
Journal Article -
4
Assessment and Error Analysis of Satellite Soil Moisture Products Over the Third Pole
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2022Published in IEEE transactions on geoscience and remote sensing (2022)“…The Tibetan Plateau, known as the "Third Pole" of the world, is extremely sensitive to global climate change. Reliable soil moisture information is essential…”
Get full text
Journal Article -
5
On the MCF Model for Predicting Radar Ocean Backscatter
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2024Published in IEEE transactions on geoscience and remote sensing (2024)“…This article employs the modulated correlation function (MCF) model to describe the ocean surface in radar backscattering. Surface correlation functions…”
Get full text
Journal Article -
6
Global-Scale Assessment of Multiple Recently Developed/Reprocessed Remotely Sensed Soil Moisture Datasets
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2024Published in IEEE transactions on geoscience and remote sensing (2024)“…The comprehensive and robust assessment of diverse global-scale satellite-based soil moisture (SM) products from various satellite data sources (e.g.,…”
Get full text
Journal Article -
7
Radar Backscattering Over Sea Surface Oil Emulsions: Simulation and Observation
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2022Published in IEEE transactions on geoscience and remote sensing (2022)“…Oils floating on the sea surface can be observed as "dark" patches on radar images since the backscattered signals from the contaminated area are reduced in…”
Get full text
Journal Article -
8
Spatiotemporal Variation of Imaging Swath in Earth Observing Lunar-Based SAR under Orbital Perturbations
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.01.2024Published in IEEE transactions on geoscience and remote sensing (01.01.2024)“…We analyzed the spatiotemporal variations of the imaging swath and region using the Lunar-Based Synthetic Aperture Radar (LBSAR) for Earth observation. The…”
Get full text
Journal Article -
9
Effects of Wind Wave Spectra on Radar Backscatter From Sea Surface at Different Microwave Bands: A Numerical Study
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.09.2019Published in IEEE transactions on geoscience and remote sensing (01.09.2019)“…Wind wave spectrum describes the quasi-periodic nature of the ocean surface oscillations and plays an indispensable role in the study of microwave…”
Get full text
Journal Article -
10
Angular Patterns of Bistatic Scattering from Gamma-Distributed Rough Surfaces
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.01.2024Published in IEEE transactions on geoscience and remote sensing (01.01.2024)“…We analyze the bistatic scattering of a gamma-distributed rough surface to explore the scattering properties in the context of polar angular patterns and…”
Get full text
Journal Article -
11
Surface Parameter Bias Disturbance in Radar Backscattering From Bare Soil Surfaces
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2024Published in IEEE transactions on geoscience and remote sensing (2024)“…Surface parameters (roughness and soil permittivity) are crucial for characterizing backscattering from bare soil. However, the estimation of roughness…”
Get full text
Journal Article -
12
Soil Moisture Retrieval From SMAP: A Validation and Error Analysis Study Using Ground-Based Observations Over the Little Washita Watershed
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.03.2018Published in IEEE transactions on geoscience and remote sensing (01.03.2018)“…The newest soil moisture-dedicated satellite, the Soil Moisture Active Passive (SMAP) mission, provides global maps of soil moisture using concurrent L-band…”
Get full text
Journal Article -
13
Scattering Model-Based Oil-Slick-Related Parameters Estimation From Radar Remote Sensing: Feasibility and Simulation Results
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2024Published in IEEE transactions on geoscience and remote sensing (2024)“…In this study, the potential of electromagnetic scattering models to retrieve quantitative parameters of sea oil spills is investigated using an artificial…”
Get full text
Journal Article -
14
On the Relationship Between Radar Backscatter and Radiometer Brightness Temperature From SMAP
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2022Published in IEEE transactions on geoscience and remote sensing (2022)“…The synergy of active and passive microwave measurements has attracted considerable attention in recent years since they offer complementary information on the…”
Get full text
Journal Article -
15
Effective Surface Roughness in Radar Ocean Backscattering
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.01.2023Published in IEEE transactions on geoscience and remote sensing (01.01.2023)“…In this paper, we proposed a modulated correlation function to characterize the multiscale property of the sea surface and adopted it in the AIEM (Advanced…”
Get full text
Journal Article -
16
Effects of the Earth's Curvature and Lunar Revolution on the Imaging Performance of the Moon-Based Synthetic Aperture Radar
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.08.2019Published in IEEE transactions on geoscience and remote sensing (01.08.2019)“…In this paper, effects of the earth's curvature and lunar revolution on the performance of the moon-based synthetic aperture radar (SAR) are examined by a…”
Get full text
Journal Article -
17
On Azimuthal Resolution of the Lunar-Based SAR Under the Orbital Perturbation Effects
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2023Published in IEEE transactions on geoscience and remote sensing (2023)“…This article studies the orbital perturbation effects on the azimuthal resolution in lunar-based synthetic aperture radar (LBSAR). We derive explicit…”
Get full text
Journal Article -
18
Radar Scattering From a Modulated Rough Surface: Simulations and Applications
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.12.2021Published in IEEE transactions on geoscience and remote sensing (01.12.2021)“…This article presents a numerical study of the wave scattering from a modulated rough surface characterized by a modulated correlation function that shows zero…”
Get full text
Journal Article -
19
Simulation and Analysis of Bistatic Radar Scattering From Oil-Covered Sea Surface
ISSN: 0196-2892, 1558-0644Published: New York IEEE 2022Published in IEEE transactions on geoscience and remote sensing (2022)“…In this study, the bistatic radar scattering coefficients related to an oil-covered sea surface are predicted by modeling both the oil damping effect on…”
Get full text
Journal Article -
20
A Comprehensive Analysis of Rough Soil Surface Scattering and Emission Predicted by AIEM With Comparison to Numerical Simulations and Experimental Measurements
ISSN: 0196-2892, 1558-0644Published: New York IEEE 01.03.2017Published in IEEE transactions on geoscience and remote sensing (01.03.2017)“…Theoretical modeling plays a significant role as forward and inverse problem in active and passive microwave remote sensing. Understanding the validity and…”
Get full text
Journal Article