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Makes complex ideas simple and clear.
Encourages critical thinking and analysis.
Makes learning feel effortless and fun.
Creates a collaborative and inclusive space.
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About Amir
Dr. Amir Allahvirdizadeh serves as a Lecturer in the School of Earth and Planetary Sciences, Faculty of Science and Engineering, at Curtin University in Perth, Australia. He completed his PhD in Spatial Sciences at Curtin University in January 2023, following his MSc in Geodesy from the University of Isfahan in 2013, and a Bachelor's degree in Surveying Engineering. His academic career includes roles as Research Associate at Curtin from August 2022 to January 2025, PhD candidate from May 2019 to January 2023, and Casual Academic at Curtin from 2019 to 2020. Previously, he worked as a Casual Academic at Darolfonun Higher Education Institute in Iran from December 2013 to July 2014, and as a university lecturer in Iran.
Allahvirdizadeh's research focuses on satellite navigation technologies, including precise orbit determination (POD) for low Earth orbit (LEO) satellites and CubeSats, LEO-enhanced positioning, navigation, and timing (PNT) systems, Global Navigation Satellite Systems (GNSS), precise point positioning with real-time kinematic (PPP-RTK), Doppler positioning, integrity monitoring, satellite formation flying, and underwater photogrammetry. As a member of the GNSS-SPAN Group, he has contributed significantly to GNSS data processing and applications in challenging environments. His scholarly output includes key publications such as "Precise Orbit Determination of LEO Satellites Based on Undifferenced GNSS Observations" (2021), "POD of Small LEO Satellites Based on Precise Real-Time MADOCA and SBAS-Aided PPP Corrections" (2021), "Network-Based Precise Orbit Determination of Broadband LEO Satellites Using Doppler-Shift Measurements" (2025), "Array-Aided Precise Orbit and Attitude Determination of CubeSats Using GNSS" (2024), and a chapter in "Advancing Positioning, Navigation, and Timing (PNT) Service Using Satellite Navigation Technology" (2025). His research has accumulated over 300 citations, achieving an h-index of 8 on Google Scholar.
In addition to his publications, he has developed open-source software tools, including the Shadow Toolbox for identifying GNSS satellites in Earth's shadow, the Total Electron Content Plotter, and a tool for interpolating IGS precise ephemeris data. He founded irgeodesy.com, an educational blog on GNSS topics in Persian, and has presented his work at international conferences such as the European Geosciences Union General Assembly 2022 and the FIG Congress 2022.
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