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A New Implicit Algorithm with Multigrid for Unsteady Incompressible Flow Calculations
New Implicit Algorithm Multigrid Unsteady Incompressible Flow Calculations
2015/7/1
We present a new fully-implicit algorithm for unsteady incompressible flow calculations for both the Euler and Navier-Stokes equations. The new method couples the artificial compressibility ap-proach ...
GPS Receiver Satellite/Antenna Selection Algorithm for the Stanford Gravity Probe B Relativity Mission
GPS Receiver Satellite Antenna Selection Algorithm Stanford Gravity Probe B Relativity
2015/6/29
This paper presents a GPS receiver satellite/antenna selection algorithm for the Stanford Gravity Probe B Relativity Mission.
A Non-Linear,Two-Step Estimation Algorithm For Calibrating Solid-State Strapdown Magnetometers
Magnetometer Heading Non-Linear Estimation
2015/6/29
This paper presents a new algorithm for calibrating modern, solid-state strapdown magnetometers. The traditional method for cali brating these sensors is a cumbersome procedure called “swinging” which...
Automated Ionospheric Front Velocity Estimation Algorithm for Ground-Based Augmentation Systems
Automated Ionospheric Velocity Estimation Algorithm Ground-Based Augmentation Systems
2015/6/24
Ionospheric anomalies, which may occur during severe ionospheric storms, could pose integrity threats to Ground-based Augmentation System (GBAS) users [1], [2], [3]. The ionospheric threat for a Local...
Evaluation of a covariance-based clock and ephemeris error bounding algorithm for SBAS
Evaluation covariance-based clock ephemeris error bounding algorithm SBAS
2015/6/24
The largest source of error uncertainty in current Space-based Augmentation Systems, which are single frequency (L1), is the ionospheric delay. In the coming years, the deployment of new signals in L5...
Evaluation of the impact of convolution masks on algorithm to supervise scenery changes at space vehicle integration pads
Scenery supervision Convolution mask Digital image processing
2010/10/25
The Satellite Launch Vehicle developed in Brazil employs a specialized unit at the launch center known as the Movable Integration Tower. On that tower, fixed and movable work floors are installed for ...