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The Effects of the Ionosphere and C/A Frequency on GPS Signal Shape:Considerations for GNSS-2
Effects Ionosphere C/A Frequency GPS Signal Shape Considerations
2015/6/29
By greatly increasing the chipping rate of the pseudo random noise (prn) code, it may be possible to measure the ionosphere (TEC) in near real time, by exploiting the dispersive nature of the ionosphe...
Burst Mode Message Loss Effects On WAAS Availability
Burst Mode Message Loss WAAS Availability
2015/6/29
The Wide Area Augmentation System (WAAS) is a GPS based navigation aid currently under development by the Federal Aviation Administration (FAA). WAAS will provide corrections to aviation users for the...
As the Loran groundwave propagates, the signal is delayed. Additional Secondary Factor (ASF) is the value of the delay of the signal over the actual terrain relative to an all seawater path. The envel...
GPS Receiver Architecture Effects on Controlled Reception Pattern Antennas for JPALS
GPS Receiver Architecture Effects Controlled Reception Pattern Antennas JPALS
2015/6/26
Stanford University is developing a controlled reception pattern antenna (CRPA) array with beam research testbed to evaluate CRPA algorithms and software tools, and their effects on GPS signals and sa...
Effects of Signal Deformations on Modernized GNSS Signals
Signal Deformation Modernized GNSS Signals
2015/6/26
Satellite-based navigation requires precise knowledge of the structure of the transmitted signals.For GPS, accurate knowledge of the shape of the code correlation peaks is required to ensure no biases...
Ionospheric Scintillation Effects on GPS Receivers during Solar Minimum and Maximum
Ionospheric Scintillation Effects GPS Receivers Solar
2015/6/25
The ionosphere has practical importance in GPS (Global Positioning System) applications because it influences transionospheric radio wave propagation. Among various phenomena in the ionosphere, ionosp...
Evaluation of Deep Signal Fading Effects Due to Ionospheric Scintillation on GPS Aviation Receivers
Deep Signal Fading Effects Due Ionospheric Scintillation GPS Aviation Receivers
2015/6/25
Deep and frequent GPS signal fading due to strong ionospheric scintillation is major concern for aircraft navigation in the equatorial region during solar maximum periods. Deep signal fading can break...