PSR J0540$-$6919 is the second-most energetic radio pulsar known and resides in Large Magellanic Cloud. Like Crab it observed to emit giant pulses (GPs). We used newly-commissioned PTUSE instrument on MeerKAT telescope search for GPs across three observations. In a total integration time of 5.7 hrs we detected 865 above our 7$\sigma$ threshold. With full polarisation information subset data, es...

Recently, there is a renewed interest in Earth Observation (EO) of the cryosphere as proxy global warming, soil moisture for agriculture and desertification studies, biomass carbon storage. Global Navigation Satellite System-Reflectometry (GNSS-R) L-band microwave Radiometry have been used to perform these measurements. However, it expected that combination both can largely improve current obse...

We put forward architecture of a framework for integration of data from moving objects related to urban transportation network. Most of this research refers to the GPS outdoor geolocation technology and uses distributed cloud infrastructure with big data NoSQL database. A network of intelligent mobile sensors, distributed on urban network, produces congestion traffic patterns. Congestion predic...

The accurate measurement of diverse displacements of structures is an important index for the evaluation of a structure's safety. In this study, a comparative analysis was conducted to determine the integrated RTK-GPS/accelerometer method that can provide the most precise structure displacement measurements. For this purpose, three methods of calculating the dynamic displacements from the accel...

In the process of Global Positioning System (GPS) modernization, M-code signals with better immunity to interference have been proposed and used in place P(Y) as new authorization signals. A typical positioning, navigation, timing (PNT) service is based on local interrelation operation between reference signal received signal. To obtain a PNT, receiver should generate replicas pseudorandom code...

Manual search of project information on construction sites is a tedious and timeconsuming process. Evolving technologies such as location-aware computing offer significant potential of improving such processes and supporting important decision-making tasks in the field. For example, rapid and convenient access to contextual project information, through continuous position tracking of engineers,...

The GRACE mission consists of two identical satellites orbiting the Earth at an altitude of ∼500 km. Dual-frequency carrier-phase Global Positioning System (GPS) receivers are flying on both satellites. They are used for precise orbit determination and to time-tag the K-band ranging system used to measure changes in the distances between the two satellites. The satellites are also flying ultra-...

This paper presents a cost effective and simple antijamming method for global positioning system (GPS) antennas in the GPS L1 (1.563–1.587 GHz) band. The proposed structure is composed of a metallic conical structure with a microstrip patch antenna, which is selected as the basic element. To overcome intentional jamming signals coming from low elevation angles, the structure is applied around t...

[1] What happens in the crust as a result of geodetically observed secular motions? In this paper we find out by distorting a finite element model of California using GPS-derived displacements. A complex model was constructed using spatially varying crustal thickness, geothermal gradient, topography, and creeping faults. GPS velocity observations were interpolated and extrapolated across the mo...

This paper starts with a brief discussion of the Galileo project status and with a description of the present Galileo architecture (space segment, ground segment, user segment). It focuses on explaining special features compared to the American GPS system. The presentation of the user segment comprises a discussion of the actual Galileo signal structure. The Galileo carrier frequency, modulatio...