Navigation in Space by X-ray Pulsars

• Κύριοι συγγραφείς: Emadzadeh, Amir Abbas (Συγγραφέας), Speyer, Jason Lee (Συγγραφέας)
• Συγγραφή απο Οργανισμό/Αρχή: SpringerLink (Online service)
• Μορφή: Ηλεκτρονική πηγή Ηλ. βιβλίο
• Γλώσσα: English
• Έκδοση: New York, NY : Springer New York : Imprint: Springer, 2011.
• Θέματα: Engineering.; Aerospace engineering.; Astronautics.; Control engineering.; Aerospace Technology and Astronautics.; Signal, Image and Speech Processing.; Control.

This monograph on different aspects of utilizing X-ray pulsars for navigation of spacecraft in space contains two unique features. First, it provides a solid mathematical formulation for the absolute and relative navigation problems based on use of X-ray pulsar measurements. Second, it presents a co...

Πίνακας περιεχομένων:

• 1 Prologue
• 1.1 Current Spacecraft Navigation Systems
• 1.2 Pulsar-Based Relative Navigation
• 1.2.1 Why Relative Navigation? Why Celestial-Based Systems?- 1.2.2 Pulsars
• 1.2.3 Why Use X-ray Pulsars for Navigation?- 1.2.4 History of Pulsar-Based Navigation
• 1.3 Proposed Navigation System Structure
• 1.4 Thesis Outline
• 2 Signal Modeling
• 2.1 X-ray Detectors
• 2.2 X-ray Pulsar Signal
• 2.2.1 Constant-Frequency Model
• 2.2.2 Time-Dependent-Frequency Model
• 2.3 Discussion
• 2.4 Epoch Folding
• 2.4.1 Effect of Velocity Errors
• 2.5 Generating Photon TOAs
• 2.6 Simulation
• 3 Pulse Delay Estimation
• 3.1 Pulse Delay Estimation
• 3.2 The Cramér-Rao Lower Bound (CRLB)
• 3.3 Discussion
• 3.4 Simulation
• 4 Pulse Delay Estimation Using Epoch Folding
• 4.1 Cross Correlation Technique
• 4.2 Nonlinear Least Squares Technique
• 4.3 Simulation
• 5 Pulse Delay Estimation via Direct Use of TOAs
• 5.1 Maximum-Likelihood Estimator (MLE)
• 5.2 Numerical Determination of the MLE
• 5.3 Simulation
• 6 Recursive Position Estimation
• 6.1 System Dynamics
• 6.2 Measurements
• 6.3 Discrete-Time Estimation Process
• 6.4 Discussion
• 6.5 Simulation
• 7 Epilogue References.