نتایج جستجو برای: millimetre wave receiver
تعداد نتایج: 270435 فیلتر نتایج به سال:
The pure rotational spectrum of phenanthridine (C(13)H(9)N), a small polycyclic aromatic nitrogen heterocycle (PANH), has been measured from 48 to 85 GHz employing Stark modulated millimetre wave absorption spectroscopy of a supersonic rotationally cold molecular beam. Initial survey search scans were guided by rotational constants obtained through quantum chemical calculations performed at the...
The extreme data rate requirements for 5G have pushed the mobile industry to exploit the large amount of available spectrum in the millimetre-wave (mm-wave) bands. mmMAGIC (Millimetre-Wave Based Mobile Radio Access Network for Fifth Generation Integrated Communications) is a European project aiming to develop novel radio access technologies for mobile communication at mm-wave frequencies. One o...
The use of millimetre wave images has been proposed recently in the biometric field to overcome certain limitations when using images acquired at visible frequencies. Furthermore, the security community has started using millimetre wave screening scanners in order to detect concealed objects. We believe we can exploit the use of these devices by incorporating biometric functionalities. This pap...
The millimetre-wave frequency range 57-64 GHz has been already standardised by the IEEE 802.15.3c for Wireless Personal Area Network (WPAN). The specified PHY targets multi-Giga bit per second data rate with two modes, Single-Carrier Frequency Domain Equalization (SC-FDE) and Orthogonal Frequency Division Multiplexing (OFDM), both modulation schemes are based on framed data transmission, hence,...
In this paper we present a system for the automatic detection and tracking of metallic objects concealed on moving people in sequences of millimetre-wave images, which can penetrate clothing, plastics and fabrics. The subjects are required to enter one at a time and turn round slowly to ensure complete coverage for the scan. The system employs two distinct stages: detection and tracking. In thi...
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