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Global Positioning System - Science topic

Related to GPS research and applications
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Publications related to Global Positioning System (10,000)
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This study examined the relationship between training load and changes in body composition and bone characteristics across a competitive season. Twenty senior male professional football players participated in this prospective longitudinal study. Participants underwent dual-energy X-ray absorptiometry (DXA) and peripheral quantitative computed tomo...
Article
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This paper proposes a novel observer-based controller for Vertical Take-Off and Landing (VTOL) Unmanned Aerial Vehicle (UAV) designed to directly receive measurements from a Vision-Aided Inertial Navigation System (VA-INS) and produce the required thrust and rotational torque inputs. The VA-INS is composed of a vision unit (monocular or stereo came...
Article
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Recreational activity is the single most valuable ecosystem service in many developed countries with a range of benefits for public health. Crowdsourced recreational activity data is increasingly being adopted in management and monitoring of urban landscapes, however inherent biases in the data make it difficult to generalize patterns to the total...
Article
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A new approach is described for investigating the accuracy of positioning active long-term evolution (LTE) users. The explored approach is a network-based method and depends on signal level measurements as well as the coverage of the serving cell. In a two-dimensional coordinate system, the algorithm simultaneously applies LTE measured data with a...
Article
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Testing and documenting effects of wind farm (WF) infrastructure on wildlife are crucial considering increasing development throughout Scandinavia, especially for reindeer, which require large areas for grazing and are vulnerable to disturbances. We present results from 2011 to 2019 for semidomesticated reindeer tracked with Global Positioning Syst...
Article
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The decarbonization of the transport system requires a better understanding of human mobility behavior to optimally plan and evaluate sustainable transport options (such as Mobility as a Service). Current analysis frameworks often rely on specific datasets or data-specific assumptions and hence are difficult to generalize to other datasets or studi...
Conference Paper
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Precipitable water vapor (PWV) is one of the most critical data in many meteorological departments. This component has great spatial and temporal changes, so the global positioning system (GPS) always seeks to increase the accuracy of estimating the water vapor component in the troposphere. The waves sent by the satellites of this system are delaye...
Conference Paper
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The ongoing digitalisation of our everyday lives is leading to a steady increase in so-called Big Data. These data make our lives increasingly traceable and (often unintentionally) publicly discernible. A lot of Big Data is spatial in nature using GPS, spatial language, or checking in at places, making them accessible to spatial analysis. Unsurpris...
Article
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Urban areas impact wildlife populations through multiple pathways, notably habitat fragmentation and degradation. Wildlife can respond to development and other human-driven environmental change at multiple scales, from the individual to the population level, ultimately driving biodiversity patterns and processes in built and adjacent natural landsc...
Article
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Although the recursive logit (RL) model has been recently popular and has led to many applications and extensions, an important numerical issue with respect to the computation of value functions remains unsolved. This issue is particularly significant for model estimation, during which the parameters are updated every iteration and may violate the...
Article
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Migratory species interact with different ecosystems in different regions during migration, making them more environmentally sensitive and therefore more vulnerable to extinction. Long migration routes and limited conservation resources desire clear identification of conservation priorities to improve the allocation efficiency of conservation resou...
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The diversity and complexity of existing models on the structure of the Red Sea is the result of a mobile sedimentary cover that not only hides most of the basement and oceanic structures but also hamper the geophysical signals. In this study, we combined published with new unpublished geophysical data to propose a revised interpretation of the str...
Book
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Locust Outbreaks: Management and the World Economy begins with anintroduction to and history of locust attacks and addresses the deleteriouseffects of locusts on crops. The chapters delve into both traditional and state-of-the art control and management technologies to combat locust outbreaks,including such advanced technologies as geographical inf...
Article
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Precise point positioning with Global Navigation Satellite Systems (GNSS), orbit and clock products are mandatory. Today, different analysis centers produce satellite orbit and clock products. At the same time, the latency of these products is divided into three different categories. In this study, the satellite availability analysis of the publicl...
Chapter
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Wireless Sensor Networks (WSNs) is one of network technology that have revolutionized the world of technology and to explain the importance of the networking major in the different majors, in this project we choose one of the important major in the life is the e-healthcare major. In this research explain how can make system emergency to the elderly...
Article
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Modern technology has radically altered documentation and has promised to do so again. Photographic and nonphotographic documentation tools are combined into a single operation in which digital imaging technology is the mainstay. 3D support is still not popular among users involved in documenting the facades of modern buildings or important histori...
Article
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The escape structure in southwest Taiwan has long been discussed. The counterclockwise rotation in GPS ground motion is argued to be evidence of tectonic escape. However, tectonic escape events worldwide are always bounded by lithosphere-cutting strike-slip faults at the boundary of the lithospheric-scale rotating block, and these have not observed...
Article
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In order to deal with the uncertainty of measurement noise, particularly for outlier types of multipath interference and non-line of sight (NLOS) reception, this paper proposes a novel method for processing the navigation states of the Global Positioning System (GPS) that combines the maximum correntropy criterion (MCC) and the interacting multiple...
Preprint
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Recently autonomous and semi-autonomous Unmanned Aerial Vehicle (UAV) swarms started to receive a lot of research interest and demand from various civil application fields. However, for successful mission execution, UAV swarms require Global navigation satellite system signals and in particular, Global Positioning System (GPS) signals for navigatio...
Article
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The precise point positioning service on B2b signal (PPP-B2b) is a real-time decimeter-level positioning service provided by the BeiDou-3 Global Navigation Satellite System (BDS-3). The service provides users with high-precision orbit and clock corrections through geostationary orbit (GEO) satellites, which means that the PPP-B2b service would be u...
Article
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In today's world, higher security deployments are needed, as the expansion of the transportation system has accelerated with time. Road traffic disasters have become a widespread problem in recent years. With the tremendous increase in traffic accidents, the fatality rate among people is quickly expanding. Whenever a mishap occurs on the roadways,...
Article
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Location verification is crucial in many Wireless Sensor Networks (WSNs) applications. To accurately identify a node’s position, location verification is required, eliminating the possibility of a wrong location due to multiple environmental factors. In the current study, we propose a novel pattern-matching approach for verifying sensors’ location...
Technical Report
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This report contains all the information of 3 weeks field survey regarding GPS survey, Cadastral Survey and Hydropower survey.
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The Apennine chamois (Rupicapra pyrenaica ornata) is one of the rarest subspecies in Italy, listed in Annexes II and IV of the Habitats Directive and currently included as a vulnerable subspecies in the International Union for Conservation of Nature (IUCN) Red List. The Maiella National Park population has recently been defined as a source populati...
Article
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Robot navigation is the difficulty of guiding a robot to its intended destination. Autonomous navigation is contingent upon motion planning, i.e., the interdependence between activities such as environment sensing, path planning, and path tracking, among others. This research paper proposes and develops a four-wheel differential drive for the auton...
Article
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In the last decade, a large amount of data from vehicle location sensors has been generated due to the massification of GPS systems to track them. This is because these sensors usually include multiple variables such as position, speed, angular position of the vehicle, etc., and, furthermore, they are also usually recorded in very short time interv...
Preprint
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As green, renewable energy is increasing by the installation of more and more wind turbines, the assessment of their impact on protected species has to be improved by more automatized, data-driven risk analyses. We have developed as set of two workflows to extract simple parameters for collision risk models from GPS tracks of sensitive bird species...
Article
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GPS technology and tracking study designs have gained popularity as a tool to go beyond the limitations of static exposure assessments based on the subject's residence. These dynamic exposure assessment methods offer high potential upside in terms of accuracy but also disadvantages in terms of cost, sample sizes, and types of data generated. Becaus...
Article
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The present paper is aimed at improving minimization methods in traffic flows, particularly reducing the costs of civil transportation through sections of the transport network by giving priority to public transport in densely developed areas. In cities with a radial and radial-circular planning scheme of the road network, where arterial traffic fl...
Article
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In accordance with the paradigm of the 4th and Industrial Revolution, the introduction of building information modeling is expected in all areas related to railroad construction, operation and management, along with the establishment of a metaverse platform that combines big data, the Internet of Things, and artificial intelligence. The performance...
Chapter
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Heavy metals' presence in groundwater has garnered a lot of attention recently due to their impact on ecosystem and human health. Thus, this chapter was designed to assess the effects of heavy metals contamination in groundwater and its implication for public health education in selected communities located in an industrial area in Ogun state, sout...
Article
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The Internet of Things (IoT) were employed to help clients access the needed products with less effort and time. To discover the optimal path, enhanced K-Means (EK-M) clustering is utilised. By reducing the number of K from two or more to one, the conventional K-Mean has been improved. Using an IoTs platform, the optimal path should be the shortest...
Article
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In recent years, social platforms have become integrated in a variety of economic, political and cultural domains. Social media have become the primary outlets for many citizens to consume news and information, and, at the same time, to produce and share online a large amount of data and meta-data. This paper presents an innovative system able to a...
Article
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The Global Positioning System (GPS) consists of a constellation of satellites that transmit radio frequency signals to many users with varied applications. For meteorological purposes, the based-ground GPS receivers can provide high-quality column or precipitable water vapor (PWV), as obtained by radiosondes, but with high temporal resolution and l...
Article
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В статье экспериментально доказана значимость учета дифференциальных кодовых задержек (ДКЗ) (Differential Code Bias) при определении координат методом Precise Point Positioning (PPP) по данным многосистемных ГНСС-измерений (GPS, ГЛОНАСС, Galileo). Благодаря учету ДКЗ существенно сокращается время сходимости навигационного решения. Описаны потребова...
Conference Paper
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Detecting manipulated spaceborne positioning and timing in real-time by cross-checking with information coming from additional sources is a straightforward concept. Proposed implementations in literature typically involved specialty instruments in complex harnesses that are not economically feasible to operate nor deployable outside controlled env...
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(1) Objetive: Compare the internal load (ILO), external load (ELO) and wellness (WS) between official preparation friendly matches (FM) and France 2019 women world cup (WWC) matches in female soccer players. (2) Methods: Ten field players of the Chilean national football team (age 27 ± 3.4 years, height 162.8 ± 4.32 cm, weight 60.5 ± 4.6 kg, fat pe...
Article
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The vigorous development of the global navigation satellite system (GNSS) has led to a boom in GNSS radio occultation (GNSS RO) and GNSS reflectometry (GNSS-R) techniques. Consequently, we have proposed an innovative signal processing scheme for spaceborne integrated GNSS remote sensors (SIGRS), combining a GNSS RO and a GNSS-R module. In the SIGRS...
Article
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Determination of the isostatic anomaly and the isostatic additional force plays a key role in understanding the deep tectonic features and dynamics in the Qinling area. At present, high-accuracy observation gravity data are one of the important means to obtain the isostatic anomaly and the isostatic additional force. Firstly, we calculate the free-...
Article
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In recent years, unmanned aerial vehicles (UAVs), commonly known as drones, have gained increasing interest in both academia and industries. The evolution of UAV technologies, such as artificial intelligence, component miniaturization, and computer vision, has decreased their cost and increased availability for diverse applications and services. Re...
Article
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Since 2020, China's Beidou has begun to provide an initial real-time precise point positioning (PPP) service via B2b signals for the Asia–Pacific region. It is expected to be used to achieve centimeter-level positioning and also brings opportunities for real-time time transfer. We collected 29 days of experimental data and compared it with the Cent...
Article
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Recent research has shown the advantages of incorporating multisource geospatial data into the classification of urban functional zones (UFZs), particularly remote sensing and social sensing data. However, the effects of combining datasets of varying quality have not been thoroughly analyzed. In addition, human mobility patterns from social sensing...
Article
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When processing atmospheric radar data to estimate wind parameters, power spectrum is a key factor. The need for new data-dependent approaches is driven by the existing algorithms' poor resolution and high side lobe level issues. For the purpose of estimating the power spectral density, an atmospheric data processor (ADP) that is non-parametric and...
Article
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The transport of dust from the Middle East and African deserts affects European and Asian countries at certain times of the year, especially in spring. Turkey is one of these countries, and many dust storm events have occurred in the first half of 2022, which have affected especially the southeastern part of Anatolia. Apart from threatening human h...
Article
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This study aimed to understand how the design of decision-making tasks affects youth football players’ ball control, passing performance, and external load. A total of 16 male youth football players (age: 12.94 ± 0.25 years) competed in various tasks based on the following levels of decision-making: (i) low decision-making (Low DM), which consisted...
Article
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As part of a long-term monitoring program, more than 80 Mediterranean ospreys Pandion haliaetus (both adults and juveniles) were tagged with GPS-GSM transmitters and tracked to study their spatiotemporal behaviour. Here we document the peculiar and unexpected migration movements performed by three inexperienced (juvenile/immature) individuals, who...
Article
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Spectral congestion and modern consumer applications motivate radio technologies that efficiently cooperate with nearby users and provide several services simultaneously. We designed and implemented a joint positioning-communications system that simultaneously enables network communications, timing synchronization, and localization to a variety of...
Article
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Alignment technology plays an important role in navigation, and is used extensively throughout military and civilian applications. However, the existing in-flight alignment methods cannot be applied to the low-cost based strap-down inertial navigation system/global positioning system integrated navigation system, used in short-endurance and high-sp...
Cover Page
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Chip: Lectura Inducción y Visión Mental Líquido instalado en las neuronas y cristalizado en las neuronas para convertirse prácticamente en un chip para la lectura mental (recepción de mensajes: telepatía) e inducción mental (envío de mensajes) y visión mental similar al funcionamiento del chip de teléfonos móviles Visualización en una pantalla d...
Article
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Background Potentially traumatic events may lead to the development of a wide range of adverse psychological responses, including symptoms of anxiety, depression, and (complex) posttraumatic stress disorder (PTSD). Despite the high prevalence of potentially traumatic events in Iran, there is no population data nor evidence-based instrument to scree...
Article
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On Oct. 12, 1992, Cairo was shocked by an earthquake with a moment magnitude Mw = 5.8. It is considered the most severe earthquake that hit Egypt in the twentieth century. It caused damage, deaths, and home collapses. Recently, mega-projects associated with public infrastructures are running around Cairo. Therefore, considering such seismic activit...
Cover Page
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ЧИП: чтение индукция и ментальное зрение Жидкость внедряется в нейроны и кристаллизуется в нейронах, чтобы практически стать чипом для чтения мыслей (получение сообщений: телепатия) и умственной индукции (отправки сообщений) и мысленного зрения, аналогичного работе чипа мобильного телефона. Визуализация на экране изображения, слова или числа поср...
Article
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This paper reports a test of gravitational redshift, which is a consequence of the Einstein equivalence principle, using the Rb clocks of GPS Block IIF satellites. The fractional deviation in the gravitational redshift was measured using 6,640 days of data from three Rb clocks onboard GPS Block IIF satellites. The systematic effects related to orbi...
Preprint
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Hydrological parameters should pass through a careful calibration procedure before aiding decision-making. However, great difficulties are encountered when applying calibration methods to regions where runoff data are inadequate. To fill the gap of hydrological calibration for the ungaged road network, we proposed a Bayesian updating framework to c...
Article
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ContextEvaluating herpetofauna presence and the species-specific and species richness patterns in response to agricultural landscape features is essential for understanding the herpetofauna decline in agricultural landscapes.Objectives This work aimed to explore how different categories, extent and heterogeneity of crops affect herpetofauna distrib...
Article
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Background: Turbulent technological progress in the 21st century has caused the emergence of a number of new possibilities, especially technical in nature, and allowed for new means of proof as evidence. Legal regulation of criminal law in the Slovak Republic is responding to this trend, and progressive approaches to evidence which reflect the curr...
Article
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Prominent theories of aging emphasize the importance of resource allocation processes as a means to maintain functional ability, well-being and quality of life. Little is known about which activities and what activity patterns actually characterize the daily lives of healthy older adults in key domains of functioning, including the spatial, physica...
Chapter
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The study of human-computer interaction, abbreviated as HCI, is a field of research that inevitably must evolve along with shifting trends in the technological landscape especially in the digital age. The last fifteen years have seen a very dramatic acceleration in the rate of change due to the proliferation of personal mobile devices, agent...
Article
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We quantify the surface elevation changes along Yala Glacier in Langtang Valley, Nepal Himalaya, since 1981 using geodetic methods to understand the recent evolution and current state of small debris-free glaciers across the region. We analyse differential global positioning system measurements and aerial stereo imagery that were acquired along Yal...
Article
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Constraints are common in soccer training to develop physical, technical-tactical, and mental training concurrently. This study examined how different scoring systems influence physical, tactical, and mental demands during large-sided games in soccer. Eighteen youth-elite male (17.39 ± 1.04 y) soccer players completed three 8 vs. 8 large-sided game...
Article
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Background: The COVID-19 pandemic has had a global impact. Knowing the variables that affect the increase in infection is crucial for public health decision-making. Mobility and socio-demographic conditions of the population are important factors in the transmission of the SARS-CoV-2. The objective of this study is to analyze the relationship betwe...
Article
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Citation: Castillo-Rodríguez, A.; Durán-Salas, Á.; Giménez, J.V.; Onetti-Onetti, W.; Suárez-Arrones, L. The Influence of Pitch Dimensions during Small-Sided Games Abstract: The aims of this study were to (i) analyze the physical and physiological responses of four matches competition and (ii) to investigate the relationships among three different p...