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RISGlobal Navigation Satellite System Ambiguity Resolution with Constraints from Normal Equations
Publisher: American Society of Civil Engineers
Abstract: Carrier phase ambiguity resolution is the key to precise positioning with a global navigation satellite system (GNSS); therefore, quite a few ambiguity resolution methods have been developed in the past two decades. In ...
GNSS Elevation-Dependent Stochastic Modeling and Its Impacts on the Statistic Testing
Publisher: American Society of Civil Engineers
Abstract: Only the correct stochastic model can be applied to derive the optimal parameter estimation and then realize the precision global navigation satellite system (GNSS) positioning. The key for refining the GNSS stochastic ...
GNSS Elevation-Dependent Stochastic Modeling and Its Impacts on the Statistic Testing
Publisher: American Society of Civil Engineers
Abstract: Only the correct stochastic model can be applied to derive the optimal parameter estimation and then realize the precision global navigation satellite system (GNSS) positioning. The key for refining the GNSS stochastic ...
Noniterative Datum Transformation Revisited with Two-Dimensional Affine Model as a Case Study
Publisher: American Society of Civil Engineers
Abstract: In geospatial applications, the datum transformation has been necessarily employed to transform the geospatial outcomes from the data-collection system to the user-interested system. Its key is to compute the transformation ...
Efficient Approximation for a Fully Populated Variance-Covariance Matrix in RTK Positioning
Publisher: American Society of Civil Engineers
Abstract: Global navigation satellite system (GNSS) observations have been shown to be physically correlated. Disregarding the physical correlations in a variance-covariance matrix (VCM) will lead to adverse impacts on GNSS applications. ...
Bernoulli–Gaussian Model with Model Parameter Estimation
Publisher: American Society of Civil Engineers
Abstract: First, this paper introduces a statistical model of gross errors, namely the Bernoulli–Gaussian (BG) model, which characterizes the gross error as a product of a Bernoulli variable and a Gaussian variable. The BG model ...
Mechanistic Three Dimensional Analytical Solutions for a Direct Liquid Fuel Cell Stack
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An optimal or near to optimal design and operation of a direct liquid fuel cell (DLFC) stack requires an understanding of the relevant physical phenomena across length scales in the stack. In particular, perturbations ...
Extension of Internal Reliability Analysis Regarding Separability Analysis
Publisher: American Society of Civil Engineers
Optimization of Water Diversion Based on Reservoir Operating Rules: Analysis of the Biliu River Reservoir, China
Publisher: American Society of Civil Engineers
Abstract: Interbasin water-transfer projects are constructed to solve regional water-shortage problems. This study attempts to develop a set of water-diversion strategies to assist in the decision-making process of effectively ...