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Showing 1-20 of 1,125 results
  1. GNSS-RTK model: common-frequency versus mixed-frequency

    Global navigation satellite system real-time kinematic (RTK) normally takes advantage of a common-frequency (CF) model, in which, the frequency bands...

    Cheng Ke, Pengyu Hou, Baocheng Zhang in GPS Solutions
    Article 11 May 2023
  2. A Scenario-based Interval Multi-objective Mixed-integer Programming Model for a Water Supply Problem: An Integrated AHP Technique

    Rapid population growth, industrialization, and lifestyle modernization all increase water demand. However, water supplies are dramatically...

    Nadire Ucler, Hale Gonce Kocken in Water Resources Management
    Article 12 October 2023
  3. An optimization model for green supply chain by regarding emission tax rate in incongruous vehicles

    This article presents an integrated inventory transportation programming model under a two-echelon, multi-product, and multi-period regarding carbon...

    Article 20 August 2022
  4. GNSS Mixed-Integer Estimability

    P. J. G. Teunissen in Encyclopedia of Geodesy
    Living reference work entry 2023
  5. Solving Hydropower Unit Commitment Problem Using a Novel Sequential Mixed Integer Linear Programming Approach

    Hydro Unit Commitment (HUC) is an important problem of power systems and when it is dealt with via a mathematical programming approach and...

    Alireza Amani, Hosein Alizadeh in Water Resources Management
    Article 22 April 2021
  6. Primal and dual mixed-integer least-squares: distributional statistics and global algorithm

    In this contribution we introduce the dual mixed-integer least-squares problem and study it in relation to its primal counterpart. The dual differs...

    P. J. G. Teunissen, L. Massarweh in Journal of Geodesy
    Article Open access 24 June 2024
  7. Digital soil map**: a predictive performance assessment of spatial linear regression, Bayesian and ML-based models

    Nowadays, information on the spatial distribution of soil properties is considered a key element for environmental research and for agricultural...

    Alain Kangela Matazi, Emmanuel Ehnon Gognet, Romain Glèlè Kakaï in Modeling Earth Systems and Environment
    Article 05 June 2023
  8. Regularized integer least-squares estimation: Tikhonov’s regularization in a weak GNSS model

    The strength of the GNSS precise positioning model degrades in cases of a lack of visible satellites, poor satellite geometry or uneliminated...

    Zemin Wu, Shaofeng Bian in Journal of Geodesy
    Article 28 March 2022
  9. Mixed QZSS/GPS/Galileo RTK positioning with a trade-off between ionosphere-weighting and ionosphere-fixed models: an ambiguity resolution method for Japan

    In real-time kinematic (RTK) positioning, the ambiguity resolution (AR) performance is critically affected by ionospheric delays. The ionospheric...

    Feng-Yu Chu, Nobuaki Kubo, Yize Zhang in GPS Solutions
    Article 05 January 2023
  10. A posteriori error analysis of a Banach spaces-based fully mixed FEM for double-diffusive convection in a fluid-saturated porous medium

    In this paper we consider a Banach spaces-based fully-mixed variational formulation that has been recently proposed for the coupling of the...

    Sergio Caucao, Gabriel N. Gatica, Juan P. Ortega in Computational Geosciences
    Article 08 March 2023
  11. Between-satellite ambiguity resolution based on preliminary GNSS orbit and clock information using a globally applied ambiguity clustering strategy

    The use of undifferenced (UD) processing schemes of GNSS measurements is becoming more and more popular for the generation of global network...

    Emilio J. Calero-Rodríguez, Arturo Villiger, ... Adrian Jäggi in GPS Solutions
    Article Open access 06 May 2023
  12. GNSS PPP-RTK: integrity monitoring method considering wrong ambiguity fixing

    In previous studies on multiple hypothesis solution separations (MHSS) advanced autonomous integrity monitoring (ARAIM) in phase-based GNSS precise...

    Wenhao Zhang, **ling Wang in GPS Solutions
    Article 14 November 2023
  13. Improving precise point positioning (PPP) performance with best integer equivariant (BIE) estimator

    Precise point positioning (PPP) technology is capable of providing global high-precision positioning services, but its main application bottleneck is...

    Yuze Yang, Feng Zhou, Shuli Song in GPS Solutions
    Article 27 December 2023
  14. Dynamic Cutting Force Model and Vibration Analysis of the Cutterhead in TBM

    Dynamic information about the cutting force of each cutter, such as peak and frequency of normal force, is essential to address the deformation and...

    Hao-kai Sun, Yang Gao in Rock Mechanics and Rock Engineering
    Article 31 July 2023
  15. Towards HPC simulations of billion-cell reservoirs by multiscale mixed methods

    A three dimensional parallel implementation of Multiscale Mixed Methods based on non-overlap** domain decomposition techniques is proposed for...

    Alfredo Jaramillo, Rafael T. Guiraldello, ... Gustavo C. Buscaglia in Computational Geosciences
    Article 23 February 2022
  16. Efficient inference and learning of a generative model for ENSO predictions from large multi-model datasets

    Historical simulations of global sea-surface temperature (SST) from the fifth phase of the Coupled Model Intercomparison Project (CMIP5) are...

    Andreas Groth, Erik Chavez in Climate Dynamics
    Article Open access 28 March 2024
  17. Integer Least Squares

    In this chapter the general mixed integer linear model is introduced and its background in application for the Global Navigation Satellite Systems...
    Erik Grafarend, Silvelyn Zwanzig, Joseph Awange in Applications of Linear and Nonlinear Models
    Chapter 2022
  18. Structural Model of Process Network Synthesis

    In this chapter, the concept of inside-out modelling is introduced. Five combinatorial axioms are presented for reducing the search space of process...
    Ferenc Friedler, Ákos Orosz, Jean Pimentel Losada in P-graphs for Process Systems Engineering
    Chapter 2022
  19. Results of Tuned Parameterizations of a Weather Forecast Numerical Model by Measured Characteristics of Temperature Inversions in the Planetary Boundary Layer of the Moscow Megapolis

    Abstract

    In this work, the optimal parametrization of a mesoscale meteorological model is sought based on a comparative analysis of model forecasts...

    R. V. Zhuravlev, E. A. Miller, ... A. V. Troitskii in Izvestiya, Atmospheric and Oceanic Physics
    Article 01 February 2024
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