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BACKGROUND When we view static scenes that imply motion - such as an object dropping off a shelf - recognition memory for the position of the object is extrapolated forward. It is as if the object in our mind's eye comes alive and continues on its course. This phenomenon is known as representational momentum and results in a distortion of recognition memory(More)
Locata technology is becoming part of Leica Geosystems solution for the structural monitoring applications such as bridges and dams. This paper assesses the performance of the Locata technology using a test Locata network (LocataNet) established at the University of New South Wales. Using this network a long term static tests and a simulated deformation(More)
Eng-Kee Poh graduated with a B.Eng. (Electrical) from the National University of Singapore in 1986. Upon graduation, he worked as a development engineer at the DSO National Laboratories specializing in autopilot design. Subsequently, he completed his M.Sc. he has been working as a postdoctoral research fellow with the SNAP group, in the School of Surveying(More)
The purpose of this study was to examine the validity of the SC-StepMX pedometer for measuring step counts. A convenience sample of 40 participants wore 4 SC-StepMX pedometers, 2 Yamax DigiWalker pedometers, and 2 Actical accelerometers around their waist on a treadmill at 4 speeds based on each participant's self-paced walking speed (50%, 100%, 180%, and(More)
He obtained a Doctor of Philosophy in satellite geodesy from the University of Newcastle upon Tyne, UK. Joel has assisted in the development of a Locata (the mobile positioning device) and testing of the " Locata technology ". Other current research interests include pseudolites, GPS receiver firmware customization and high precision kinematic GPS(More)
Mobile phone location methods based on signal time delay and angle of arrival measurements, such as time of arrival (TOA), time difference of arrival (TDOA), or angle of arrival (AOA), suffer from the non-line-of-sight (NLOS) error and multipath, especially in urban and suburban areas. On the other hand, the " fingerprinting " technique utilises(More)
Australia. He obtained a Doctor of Philosophy in satellite geodesy from the University of Newcastle upon Tyne, UK. Joel has assisted in the development of the Locata receiver (the mobile positioning device), and testing of the Locata technology. Other current research interests include pseudolites, GPS receiver firmware customisation and high precision(More)
There are three general scenarios for the use of pseudolites in deformation monitoring systems; namely GPS augmented with pseudolites, pseudolite-only and pseudolite 'inverted' positioning. This paper focuses on the results and analysis of experimental data collected for these three pseudolite scenarios. The results suggest that the use of helical antennas(More)