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Opis

The global positioning system (GPS) provides high-accuracy position measurements anywhere in the world. However, a limitation of this system is that a line of sight to multiple satellites is required; therefore, it is unsuitable to use indoors or in urban canyons. Also, in the presence of radio-frequency interference or jamming, GPS may be unavailable. Alternative methods of navigation and positioning are need to either compliment GPS as a backup or for use in areas unreachable by satellites. This research analyzes a feature-based correlation approach for determining reception differences between two Orthogonal Frequency Division receivers for the purpose of TDOA calculations. Multicarrier signals have a very defined signal structure which allows for non-cooperative symbol detection techniques. Simulations are conducted with different correlation windows sizes, SNR values, and eight different statistical features.

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Kategoria Książki po angielsku Society & social sciences Education

• Pełny tytuł: Navigation Using Orthogonal Frequency Division Multiplexed Signals of Opportunity
• Autor: Jamie S Velotta
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 90
• EAN: 9781288368907
• ISBN: 9781288368907
• ID: 08247063
• Wydawca: Biblioscholar
• Waga: 177 g
• Wymiary: 246 × 189 × 5 mm
• Data wydania: 01. November 2012

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