Giovanni Pugliano

Parthenope University of Naples | Università Parthenope · Department of Engineering

Rapid and unplanned urban expansion, coupled with detrimental changes in Land Use Land Cover (LULC), lead to a degradation of the urban thermal environment and give rise to various unfavourable ecological consequences. Alterations in LULC and thermal properties carry significant implications for the economy, climate trends, and the sustainability o...

Continuous and unplanned urbanization, combined with negative alterations in land use land cover (LULC), leads to a deterioration of the urban thermal environment and results in various adverse ecological effects. The changes in LULC and thermal characteristics have significant implications for the economy, climate patterns, and environmental susta...

GNSS has become ubiquitous in high-precision applications, although the cost of high-end GNSS receivers remains a major obstacle for many applications. Recent advances in GNSS receiver technology have led to the development of low-cost GNSS receivers, making high-precision positioning available to a wider range of users. One such technique for achi...

Over the last years, researchers are struggling to develop solutions and services for smart and sustainable urban mobility creating dynamic shared spaces for both vehicles and pedestrians. Also, the deployment of autonomous vehicles has boosted the interest in precise, accurate, and robust position, navigation, and timing (PNT). Most of these servi...

The cliff vulnerability monitoring and analysis are scientific challenge that can be achieved by means of different complementary methods. In this paper the analysis of experimental data, taken from UAV (Unmanned Aerial Vehicle) observations allowed us to detect the presence of cliff discontinuities on the beach of Ciraccio, in the Procida Island (...

Italy is one of the main Mediterranean countrieswith its landscapes undergoing chronological changes becauseof intense urbanization, socioeconomic, and anthropogenic ac-tivities. In this study, an attempt has been made to analyzeland use/land cover changes (LULCC) in Italy between theyears 2000 and 2018 using Copernicus CORINE Land Cover(CLC) datas...

In recent years, the performance of free-and-open-source software (FOSS) for image processing has significantly increased. This trend, as well as technological advancements in the unmanned aerial vehicle (UAV) industry, have opened blue skies for both researchers and surveyors. In this study, we aimed to assess the quality of the sparse point cloud...

p class="Abstract"> Archaeological remains need to be geometrically surveyed and set in absolute reference systems in order to allow a "virtual visit" and to create "digital twins" useful in case of deterioration for proper restoration. Some countries (e.g., Peru) have a vast archaeological heritage whose survey requires optimized procedures that a...

SDR approach, applied to the field of GNSS, allows the implementation of high customizable low-cost GNSS Software Defined receivers. These can reveal as useful tools for navigation algorithms prototyping. In the FOSS scenario the most interesting SDR appears to be GNSS-SDR. In this paper we evaluate GPS L1 pseudorange error GNSS observations acquir...

The new generation of Android smartphones is equipped with GNSS chips capable of tracking multi-frequency and multi-constellation data. In this work, we evaluate the positioning performance and analyze the quality of observations collected by three recent smartphones, namely Xiaomi Mi 8, Xiaomi Mi 9, and Huawei P30 pro that take advantage of such c...

Beginning in May 2016 after Google announced that the GNSS raw measures (Global Navigation Satellite System) acquired by smartphones equipped with Android would be freely accessible, a real race began for scientists to achieve of centimeter accuracy using smartphone. A further acceleration took place in May 2018 with the appearance of the first dua...

The survey of archaeological monuments presents particular needs and difficulties. Such surveys must in fact be as complete, geometrically correct and accurately geo-referenced as possible. These needs, however, often face problems of difficult accessibility, the need for rapid timing and complex logistical conditions. The latest generation of mobi...

The objective of this paper is to test in a degraded environment the performances of two different type of low-cost GNSS receivers. The first one is a typical low-cost hardware: the u-blox ZED-F9P GNSS module interfaced with u-center evaluation and a commercial front-end while the second one is a Software-Defined Receiver (SDR) software developed b...

Methods of measuring a vessel's motionin-volve the use of expensive and complex Inertial Navigation Systems (INS). Cargo or passenger transport ships can afford the implementation of such systems while private small boat market has been cut off. The alternatives for small boat INS navigation are few. This paper investigates the potentiality of GNSS...

This paper reports the results of an integrated atmospheric and wave run-up forecasting system, validated with in situ measured data, for the coastal site of Bagnoli, inside the Gulf of Pozzuoli, in the Thyrrenian Sea. A modelling chain consisting of Weather Research and Forecasting model, Wave Watch 3 model and a run-up calculator was used to obta...

To achieve the objectives of the Water Framework Directive’s, the identification and reversal of significant upward trends in pollutant concentrations in groundwater is crucial. A statistically significant increase in a pollutant, groups of pollutants or pollution indicators in groundwater bodies, means an upward trend in concentration values, calc...

In the last decade, some researchers and professionals have been engaged in the study of methods and techniques that can build high wind turbines while containing construction costs within the limits of economic convenience. Among the most promising solutions is that of using innovative devices to mitigate the structural demand for the towers. The...

The Software-Defined Receiver (SDR) is a rapidly evolving technology which is a useful tool for researchers and allows users an extreme level customization. The main aim of this work is the assessment of the performance of the combination consisting of the Global Navigation Satellite Systems software receiver (GNSS-SDR), developed by CTTC (Centre T...

Software Defined Receivers(SDR) can be very useful tools both for researchers and surveyors since it is capable of extreme customization allowing user to access, visualize and modify signal processing blocks. In this paper we test the single point performance of the GNSS-SDR software receiver coupled with Nuand BladeRF x40 front-end feeded by an ac...

Attention of the researchers has increased towards a simplification of the complete Shallow water Equations called the Local Inertia Approximation (LInA), which is obtained by neglecting the advection term in the momentum conservation equation. This model, whose physical basis is discussed here, is commonly used for the simulation of slow flooding...

On 22 August 2014 two Galileo satellites were launched in wrong orbit. In November 2014 European space agency started a salvaged mission to make these two satellites usable. On 5 August 2016 satellites started broadcasting ephemerides in navigation message for testing purposes. After this mission, the European Space Agency on October 8, 2016 reques...

On August 2016, the Milena (E14) and Doresa (E18) satellites started to broadcast ephemeris in navigation message for testing purposes. As the Galileo constellation is not yet complete. It is very important to have two more satellites available since the position accuracy increases as the number of visible satellites increases. In this article, we...

Con l'avvento delle nuove costellazioni per il posizionamento satellitare, lo scenario dei sistemi GNSS (Global Navigation Satellite Systems) sta crescendo rapidamente e, di conseguenza, i ricevitori dovranno essere in grado di sfruttare le nuove potenzialità offerte. In questa prospettiva l'approccio del Software Defined Receiver (SDR) può essere...

Usually, the rapid geometric transitions that are of negligible length with respect to the channel are treated in one-dimensional Saint Venant models as internal boundary conditions, assuming that an instantaneous equilibrium is attained between the flow characteristics through the structure and the flow characteristics in the channel. In the prese...

Remote video imagery is widely used for shoreline detection, which plays a fundamental role in geomorphological studies and in risk assessment, but, up to now, few measurements of accuracy have been undertaken. In this paper, the comparison of video-based and GPS-derived shoreline measurements was performed on a sandy micro-tidal beach located in I...

Attention of the researchers has increased towards a simplification of the complete Shallow water Equations called the Local Inertia Approximation (LInA), which is obtained by neglecting the advection term in the momentum conservation equation. This model is commonly used for the simulation of slow flooding phenomena characterized by small velociti...

In August 2016, Milena (E14) and Doresa (E18) satellites started to broadcast ephemeris in navigation message for testing purposes. If these satellites could be used, an improvement in the position accuracy would be achieved. A small error in the ephemeris would impact the accuracy of positioning up to ±2.5 m, thus orbit error must be assessed. The...

In this paper, a novel approach is proposed to exploit a time series of COSMO-SkyMed (CSK) HH-VV SAR images to map rice fields and to estimate the sowing dates. The approach relies on multi-polarization features, i.e., the squared modulus of the HH and VV channels and the polarization ratio, extracted from CSK SAR scenes. The key step consists of e...

On May 2018 the world’s first dual-frequency Global Navigation Satellite System (GNSS) smartphone produced by Xiaomi equipped with a Broadcom BCM47755 chip was launched. It is able to receive L1/E1/ and L5/E5 signals from GPS, Galileo, Beidou, and GLONASS (GLObal NAvigation Satellite System) satellites. The main aim of this work is to achieve the p...

The Environmental Protection Agency of the Campania region in Italy (ARPAC) manages a groundwater quality monitoring network. For almost all the polluted waters, the key parameter driving the classification is the concentration of nitrate; hence, the Campania region, in coherence with the EU regulations, outlined the vulnerable areas and undertook...

A semi-active (SA) control strategy has been proposed by the authors in the recent years to mitigate structural demand to high wind turbines against strong wind loads. Numerical as well as experimental analyses shown it is really promising and potentially useful to owners who want to optimize costs of realization and installation of such huge struc...

ABSTRACT Galileo is currently in full operational capability (FOC) phase with 18 FOC satellites. The purpose of this paper is to investigate the multipath performance of Galileo FOC signals E1, E5a, E5b and E5. With the advent of FOC satellites, assessing the multipath behaviour of Galileo FOC signals is becoming of the greatest interest for the us...

Global Navigation Satellite System pseudorange multipath errors cannot be analyzed with the Fourier transform as they are non‐stationary; thus, other tools must be used. The objective of this paper is to investigate short‐time Fourier transform (STFT) performance in detecting Global Positioning System code multipath and analyzing its frequency cont...

In this paper, we describe the use of the drone photogrammetric data as a calibration and verification source used to update the erosional trend already established from multi-temporal shoreline evolution. The beach littoral under study includes the archaeological site of Kaulonia, one of the Magna Graecia colonies located along the Calabrian coast...

Global Navigation Satellite Systems - Reflectometry (GNSSR) is an innovative and promising tool for remote sensing purposes. Several applications have been developed to extract geophysical information of the reflected scene from the measured delay waveforms and Delay-Doppler Maps (DDMs). Recently, techniques have been presented able to deconvolve t...

Global Navigation Satellite System Reflctometry (GNSS-R) is an innovative and promising technique based on the exploitation of GNSS signals reflcted off Earth’s surface to infer geophysical information of the scattering area. Signals are scattered off an observed area called Glistening Zone and mapped in the so called Delay – Doppler Map (DDM) or 1...

Multipath remains one of the major challenges in Global Navigation Satellite System (GNSS) positioning because it is considered the dominant source of ranging errors, which can be classified into specular and diffuse types. We present a new method using wavelets to extract the pseudorange multipath in the time domain and breaking it down into the t...

Coastal geomorphology requires increasingly accurate topographic information of the beach systems to perform reliable simulation of coastal erosion, flooding phenomena, and coastal vulnerability assessment. Among the range of terrestrial and aerial methods available to produce such a dataset, this study tests the utility of low-altitude aerial imag...

Global Navigation Satellite Systems - Reflectometry (GNSS-R) represents an innovative tool for remote sensing purposes. In fact, it can be seen as a bistatic radar system useful to monitor the sea surface. Furthermore, from measured Delay-Doppler Map (DDM) it is possible to obtain a radar image of the observed surface. However, the quality of the r...

In this study, reconstruction of the normalized radar cross-section (NRCS) image from noisy Global Navigation Satellite System Reflectometry (GNSS-R) Delay-Doppler Maps (DDMs) is addressed in both Hilbert and Banach spaces. The proposed approach, which is based on the Landweber regularization method, appropriately specialized to account for spatial...

An effective approach to reconstruct the normalized radar cross section (NRCS) image from Global Navigation Satellite System-Reflectometry (GNSS-R) Delay-Doppler Map (DDM) is proposed. It is physically based on the truncated singular value decomposition (TSVD), properly extended to the 2-D case (2-D TSVD). The proposed approach is tested against si...

-In this paper it is presented a new 1-D Global Navigation Satellite Systems Reectometry (GNSS-R) efficient simulator based on the Zavorotny-Voronovich (Z-V) electromagnetic model. The simulator is critically discussed and explored to analyse sea state conditions by using a receiver located at altitude not higher than 10 km. Moreover some parameter...

In presence of gross errors (blunders) in the observations, we derive the distributions of some statistics defined after a least-squares (LS) adjustment. Quadratic forms of the LS-residuals and LS-estimates of the blunders are considered along with some their combinations. We demonstrate, in two different ways, that the difference between the quadr...

The integration of Global Navigation Satellite Systems (GNSS) with Inertial Navigation Systems (INS) has been very actively researched for many years due to the complementary nature of the two systems. In particular, during the last few years the integration with micro-electromechanical system (MEMS) inertial measurement units (IMUs) has been inves...

This paper shows an application of the fuzzy-logic approach to mobile mapping issues, presenting results of fuzzy processing of the C/A-code-based GPS measurements (standalone static positioning), whose accuracy depends essentially on the satellite observation geometry, expressed numerically by the GDOP (Geometrical Dilution Of Precision) factor, a...

In critical locations as urban or mountainous areas satellite navigation is difficult, above all due to the signal blocking problem; for this reason satellite systems are often integrated with inertial sensors, owing to their complementary features. A common configuration includes GPS receiver and an high-precision inertial sensor, able to provide...

The results of an experiment aimed at evaluating the effects of the ionosphere on GPS positioning applications are presented in this paper. Specifically, the study, based upon a differential approach, was conducted utilizing GPS measurements acquired by various receivers located at increasing inter-distances. The experimental research was developed...

The GLONASS (Global Navigation Satellite System) is a satellite positioning system able to provide various numbers of air, marine, and any other type of users with all-weather three-dimensional positioning, velocity measuring, and timing anywhere in the world or near-earth space. As known, a GLONASS receiver performs passive measurements of pseudor...

La realizzazione di basi dati ex novo o derivate, a scale di sintesi, 1:100000 e 1:250000, non è stata ancora supportata da adeguate specifiche tecniche, elaborate dai gruppi di lavoro che operano all'interno dell'IntesaGIS. Inoltre, per quanto riguarda la presentazione cartografica, i documenti dell'Intesa, affrontano il problema scindendolo da qu...

The Campi Flegrei District (Naples - Italy) includes the volcanic areas of the Campi Flegrei and the islands of Ischia and Procida. The Campi Flegrei are characterized from a caldera 35,000 years old (eruption Campanian Ignimbrite) by which numerous volcanic monogenic apparatus developed inside. The last eruption of this caldera rose again in 1538...

Nella presente nota viene sviluppata l’applicazione della collocazione minimi quadrati al caso del posizionamento GPS Network RTK. Vengono introdotti gli algoritmi di base per il calcolo delle correzioni differenziali a partire dall’utilizzo contemporaneo in rete di più stazioni di riferimento.

The Neapolitan Volcanic area, located in the southern sector of the Campania Plain (Italy), includes the Somma-Vesuvius volcano, the Campi Flegrei area and the islands of Ischia and Procida. The presence of the active volcanoes in a very dense area needs continuous monitoring of the dynamics to study the pre-eruptive processes. Ground deformation r...

Global Positioning System (GPS) reference networks for real-time kinematic (RTK) positioning have been tested in several countries in recent years. The use of a multi-reference

Riassunto In questa nota vengono presentati i risultati relativi all'implementazione di un sistema avanzato multi-reference station, denominato MutiRef™, su una rete test installata nella regione Campania. L'indagine sperimentale ha avuto come obiettivo primario la valutazione del miglioramento apportato al dato GPS dall'applicazione del metodo Mul...

The use of a multi-reference station approach has been proposed to overcome the limitations of the standard single reference station differential carrier phase positioning method. Differential GPS (DGPS) positioning at the cm-level is provided by resolving the carrier-phase ambiguities as integer values and using only short observation time spans....