Bluetooth is a short range communication protocol. Bluetooth-enabled devices can be detected using road-side equipment, and each detected device reports a unique identifier. These unique identifiers can be used to track vehicles through road networks over time. The focus of this paper is on reconstructing the paths of vehicles through a road network using Bluetooth detection data. A method is proposed that uses Hidden Markov Models, which are a well-known tool for statistical pattern recognition. The proposed method is evaluated on a mixture of real and synthetic Bluetooth data with GPS ground truth, and it outperforms a simple deterministic strategy by a large margin (30%-50%) in this case.
The thesis template is a modified version of the thesis template from Overleaf (WriteLaTeX) website, suitable for the English thesis prepared with the letter head of the Tel Aviv University and the example of inclusion of the Hebrew part of the thesis.
Personal Rapid Transit (PRT) is an emerging urban transport mode. A PRT system operates much like a conventional hackney taxi system, except that the vehicles are driven by computer (no human driver) between stations in a dedicated network of guideways. The world's first two PRT systems began operating in 2010 and 2011. In both PRT and taxi systems, passengers request immediate service; they do not book ahead. Perfect information about future requests is therefore not available, but statistical information about future requests is available from historical data. If the system does not use this statistical information to position empty vehicles in anticipation of future requests, long passenger waiting times result, which makes the system less attractive to passengers, but using it gives rise to a difficult stochastic optimisation problem. This paper develops three lower bounds on achievable mean passenger waiting time, one based on queuing theory, one based on the static problem, in which it is assumed that perfect information is available, and one based on a Markov Decision Process model. An evaluation of these lower bounds, together with a practical heuristic developed previously, in simulation shows that these lower bounds can often be nearly attained, particularly when the fleet size is large. The results also show that low waiting times and high utilisation can be simultaneously obtained when the fleet size is large, which suggests important economies of scale.
Submission format for the International Microwave Symposium (MTT IMS 2014). Authors are invited to submit technical papers describing original work on radio-frequency, microwave, millimeter-wave, and terahertz (THz) theory and techniques.
The deadline for submission is 9 December 2013.
В данной работе представлено экспериментальное получение коэффициента поверхностного натяжения(КПН) жидкости. Также проверяется зависимость КПН от температуры. Устанавливается рабочий диапазон установки.
В работе приводится разбор экспериментов проведанных автором работы. Исследовалось несколько видов жидкостей. Неорганические жидкости: Вода, Органические жидкости: Глицерин. Измерения проводились при температурах: 25 и 45, 50 градусов Цельсия.
A Template for "How to create a WiFi account" with Re2o
Created by Hugo 'klafyvel' Levy-Falk
Adapted from LianTze Lim's poster
Images belong to their authors.
Distributed under Creative Commons CC BY 4.0