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Article

A MODEL FOR FUZZY DATA CORREALATION OF AIS AND RADAR

With the development of Automatic Identification System (AIS), more and more vessels are equipped with AIS device, which is a new tool for vessel monitoring and marine safety. In this paper, we compared the function of AIS and radar, the traditional tool for Vessel Traffic Service (VTS). And then we discussed the necessity of data fusion of the same target from the two sensors of AIS and radar. According to the characteristic and the difference of tracking performance of AIS and radar we

Liu Chang, Cao Ming-zhi, Han Feng, Shi Gui-ming, Liu Ren-jie

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 843–858

Research Article

INTERDEPENDENCIES BETWEEN EVALUATION OF COLLISION RISKS AND PERFORMANCE OF SHIPBORNE PNT DATA PROVISION

in real time to enable a reliable evaluation of collision risks by the officers of the watch. Until today in discussions about modelling and utilization of ship domains, it has been mostly unnoticed that the performance of vessel’s position (P), navigation (N), and timing data (T) ultimately determines the accuracy and integrity of indicated ship domain. This paper addresses this question, and starts with a comprehensive analysis of AIS data to prove the violation of ship domains in the maritime

Paweł BANYŚ, Evelin ENGLER, Frank HEYMANN

Transport Problems , ISSUE 4, 151–165

research-article

Mapping Gray Maritime Networks

claimed by the People’s Republic of China or were routinely working with vessels involved in such activity during the research window2. The geospatial data were generated from each ship’s automatic identification system (AIS). Each record provided information about the ship, the Maritime Mobile Service Identity (MMSI) number, an International Maritime Organization (IMO) number, speed over ground, time stamps, and coordinates. The quality of these records was mixed. While some contained all the

Wayne Porter, Rob Schroeder, Chris Callaghan, Albert Barreto, Sam Bussell, Brian Young, Manuel Loewer, Daniel Funk, Janet von Eiff

Connections: The Quarterly Journal , ISSUE 1, 1–12

Research paper

Narcolepsy type 1 and hypersomnia associated with a psychiatric disorder show different slow wave activity dynamics

The aim of the study was to compare electrophysiological parameters of night sleep in narcolepsy type 1 and hypersomnia associated with a psychiatric disorder. Forty-four patients: 15 with narcolepsy type 1, 14 with hypersomnia associated with a psychiatric disorder and 15 age- and sex-matched controls participated in the study. The study subjects filled in the Athens Insomnia Scale (AIS) and the Beck Depression Inventory (BDI). The severity of daytime sleepiness was quantified subjectively

Ewa Walacik-Ufnal, Anna Justyna Piotrowska, Dorota Wołyńczyk-Gmaj, Piotr Januszko, Bartłomiej Gmaj, Marcin Ufnal, Marek Kabat, Marcin Wojnar

Acta Neurobiologiae Experimentalis , ISSUE 2, 147–156

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