Results 21 to 30 of about 212,366 (287)

Ks-band detection of thermal emission and color constraints to CoRoT-1b: A low-albedo planet with inefficient atmospheric energy redistribution and a temperature inversion [PDF]

open access: yes, 2009
We report the detection in Ks-band of the secondary eclipse of the hot Jupiter CoRoT-1b, from time series photometry with the ARC 3.5-m telescope at Apache Point Observatory.
Adam Burrows   +33 more
core   +3 more sources

A Multi-Point Geostatistical Seismic Inversion Method Based on Local Probability Updating of Lithofacies

open access: yesEnergies, 2022
In order to solve the problem that elastic parameter constraints are not taken into account in local lithofacies updating in multi-point geostatistical inversion, a new multi-point geostatistical inversion method with local facies updating under seismic ...
Zhihong Wang   +4 more
doaj   +1 more source

Parameter inversion of probability integration method using surface movement vector

open access: yesYantu gongcheng xuebao, 2018
The surface movement vector is used to solve the problems of instability, initial value dependence, difficult selection of optimization index, non-rectangular panel and difficult invesion of multi-panel for parameter calculation of probability integral ...
LI Pei-xian , WAN Hao-ming , XU Yue , YUAN Xue-qi , ZHAO Yin-peng
doaj   +1 more source

Water Multi-Parameter Sampling Design Method Based on Adaptive Sample Points Fusion in Weighted Space

open access: yesRemote Sensing, 2022
The spatial representativeness of the in-situ data is an important prerequisite for ensuring the reliability and accuracy of remote sensing product retrieval and verification.
Mingjian Zhai   +5 more
doaj   +1 more source

On sequential multiscale inversion and data assimilation [PDF]

open access: yes, 2018
Multiscale approaches are very popular for example for solving partial differential equations and in many applied fields dealing with phenomena which take place on different levels of detail.
Nadeem, Aamir   +2 more
core   +1 more source

Envelope-based constrained model for multiparameter pre-stack seismic inversion

open access: yesJournal of Petroleum Exploration and Production Technology, 2022
Pre-stack seismic inversion is an effective method to estimate multiparameter from seismic reflection data in the oil–gas reservoir exploration. In order to get a reliable inverted parameter result, a constrained model is commonly used to reduce the ...
Junzhen Shan   +3 more
doaj   +1 more source

Hyperspectral Sensing Algorithms for Water Quality Parameters [PDF]

open access: yes长江科学院院报
[Objective] Hyperspectral remote sensing technology offers a new approach for non-contact, real-time sensing of water quality parameters. Existing research has shortcomings in developing dedicated sensing equipment and constructing multi-parameter ...
JIN Qiu, ZHANG Rong-yao, LEI Shao-hua, LU Hui-zhong, LUO Jie
doaj   +1 more source

Recent progress on full waveform inversion

open access: yes地球与行星物理论评, 2023
Full waveform inversion is an acoustic/elastic/anelastic wave equation-based high accuracy seismic imaging method for studying the Earth's interior structure.
Hejun Zhu, Qinya Liu, Jidong Yang
doaj   +1 more source

Determining the metallicity of the solar envelope using seismic inversion techniques [PDF]

open access: yes, 2017
The solar metallicity issue is a long-lasting problem of astrophysics, impacting multi- ple fields and still subject to debate and uncertainties. While spectroscopy has mostly been used to determine the solar heavy elements abundance, helioseismologists ...
Buldgen, Gaël   +5 more
core   +1 more source

Multi-parameter Inversion of Tunnels Based on Deep Learning Constraints

open access: yesJournal of Physics: Conference Series, 2023
Abstract When tunnels traverse unfavorable geological formations, they often encounter the risk of sudden water-related incidents, posing a severe threat to the safety of construction workers and property. Consequently, there is an urgent demand for conducting research on the early detection of potential water-related disasters ahead of ...
Peng Jiang, Yuting Tang, Benchao Liu
openaire   +1 more source

Home - About - Disclaimer - Privacy