Now showing items 1-6 of 6
GNSS Precise Point Positioning Using Low-Cost GNSS Receivers
There are positioning techniques available such as Real-Time Kinematic (RTK) which allow user to obtain few cm-level positioning, but require infrastructure cost, i.e., setting up local or regional networks of base stations ...
Multi-GNSS Precise Point Positioning Software Architecture and Analysis of GLONASS Pseudorange Biases
With expanding satellite-based navigation systems, multi-Global Navigation Satellite System (GNSS) Precise Point Positioning (PPP) presents an advantage over a single navigation system, which improves position accuracy and ...
FPGA-Based Software GNSS Receiver Design for Satellite Applications
Global Navigation Satellite System (GNSS) receiver technology has tremendous scope for satellite applications such as radio occultation, precise orbit determination and reflectometry. Spaceborne GNSS receivers are characterised ...
DTM Generation in Forested Areas from Full-Waveform Airborne LiDAR Data
This study was aimed at improving overall quality of Digital Terrain Model (DTM) extraction from full-waveform LiDAR data. Specifically, the primary goal was to develop a novel method to improve DTM extraction by utilizing ...
Precise Point Positioning Augmentation for Various Grades of Global Navigation Satellite System Hardware
The next generation of low-cost, dual-frequency, multi-constellation GNSS receivers, boards, chips and antennas are now quickly entering the market, offering to disrupt portions of the precise GNSS positioning industry ...
GNSS-PPP Navigation in Obstructed Environments Using a Chip-Scale Atomic Clock and Clock Coasting
The Precise Point Positioning (PPP) measurement processing technique for Global Navigation Satellite Systems (GNSS) is applied widely for scientific applications that require sub-metre level accuracy with few obstructions. ...