Search
Search Results
-
An improved bicubic imaging fitting algorithm for 3D radar detection target
3D ground-penetrating radar has been widely used in urban road underground disease detection due to its nondestructive, efficient, and intuitive...
-
Taylor Polynomial Spatial Reference Field Method for Field Geomagnetic Diurnal Variation Reduction
AbstractThis study addresses the problems and shortcomings of the traditional field geomagnetic diurnal variation reduction method, the...
-
Fitting models for a grain size distribution: a review
Many models are available to fit the curve of a grain size distribution, GSD. The article lists 61 models and 33 comparative studies of models....
-
Spherical harmonic coefficients of isotropic polynomial functions with applications to gravity field modeling
Various aspects of gravity field modeling rely upon analytical mathematical functions for calculating spherical harmonic coefficients. Such functions...
-
A method for precisely predicting satellite clock bias based on robust fitting of ARMA models
The precise satellite clock bias prediction is critical in improving the positioning, navigation and timing (PNT) service capabilities of the global...
-
Hyperspectral data compression by using rational function curve fitting in spectral signature subintervals and Savitsky-Golay smoothing filter
There are various methods for lossless and lossy compression of hyperspectral images, acting in the spatial or spectral domain. Regarding the...
-
Calculation of urban solar radiation based on simulation and fitting of ASHRAE model constants
Karachi is one of the largest metropolitan cities in the world. It is located along the coast of the Arabian Sea. This article investigates the...
-
Methodology for obtaining contact angles in rock sample images using image processing and polynomial fitting techniques
Estimating the contact angle in very complex rock pores presents some challenges to accurately identify the fluid–rock contact surface. This work...
-
Fitting of magnetic measurements of Swarm satellites based on 3D surface spline model
This study utilizes the 62208000 Swarm satellite data to establish a high-precision main magnetic field at the height of the satellites in China and...
-
Gaussian active learning on multi-resolution arbitrary polynomial chaos emulator: concept for bias correction, assessment of surrogate reliability and its application to the carbon dioxide benchmark
Surrogate models are widely used to improve the computational efficiency in various geophysical simulation problems by reducing the number of model...
-
An improved algorithm based on equivalent sound velocity profile method at large incident angle
With the development of ultra-wide coverage technology, multibeam echo-sounder (MBES) system has put forward higher requirements for localization...
-
A global zenith tropospheric delay model with ERA5 and GNSS-based ZTD difference correction
Highly accurate tropospheric delay information is essential for global navigation satellite system (GNSS) data processing. However, the current...
-
Taylor Polynomial Model of the Geomagnetic Field in an Underground Gas Storage Area
AbstractThe study of normal geomagnetic background fields is the premise and basis for obtaining local geomagnetic anomalies caused by changes in...
-
A new phenomenological model for annealing of fission tracks in apatite: laboratory data fitting and geological benchmarking
Rana track annealing model 2007, based on an Arrhenius approach, is significantly modified, including new assumptions, fitting parameters, and...
-
Estimating GNSS satellite clock error to provide a new final product and real-time services
A method is introduced to directly estimate the model coefficients of global navigation satellite system (GNSS) satellite clock errors using global...
-
Determining the best fitting distribution of annual precipitation data in Serbia using L-moments method
Precipitation is one of the key components in the water cycle. To analyse the changes in precipitation at a specific location, it is necessary to...
-
Modeling and Fitting of Three-Dimensional Mineral Microstructures by Multinary Random Fields
Modeling a mineral microstructure accurately in three dimensions can render realistic mineralogical patterns which can be used for three-dimensional...
-
Optimal Energy Storage Operation Chart and Output Distribution of Cascade Reservoirs Based on Operating Rules Derivation
An energy storage operation chart (ESOC) is one of the most popular methods for conventional cascade reservoir operation. However, the problem of...
-
An integrated velocity model application in ST area, Dongying Depression, China
The velocity is not uniformly distributed in ST area of Dongying Depression in China, which varies both horizontally and vertically. In order to...
-
Modelling and analysis impact of El Nino and IOD to land and forest fire using polynomial and generalized logistic function: cases study in South Sumatra and Kalimantan, Indonesia
In the last 20 years, land and forest fires have become a phenomenon that occurs annually in South Sumatra and Kalimantan. More than 2.6 million ha...