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Interference presents a challenge in the use of GPS for aircraft high precision approach, by posing a threat to the accuracy and integrity of the GPS navigation solution.Such interference may result f...
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...
Analysis of Noise and Cycle Selection in a Loran Receiver
Analysis of Noise Cycle Selection Loran Receiver
2015/6/25
Thermal and atmospheric noise distort envelope measurements in a Loran receiver, and may cause the receiver to select the wrong cycle during signal acquisition. A cycle error would persist during sign...
Commercial GPS in the Stratosphere:Cell Phone GPS Receiver Performance on a High Altitude Weather Balloon
Commercial GPS Stratosphere Cell Phone GPS Receiver Performance High Altitude Weather Balloon
2015/6/24
The primary objective of this effort was to characterize the GPS performance of a smartphone at high altitudes.Due to International Traffic in Arms Regulations (ITAR) restrictions in the United States...