In this paper, car windows are characterized for transmission of electromagnetic waves in the millimeter-wave frequency range. Transmission loss of several different windows is measured with a vector network analyzer in an anechoic chamber in the frequency range of 50 to 110 GHz. Additionally, the measurement setup enables an automatic acquisition of the frequency responses at different angles of incidence. Using a method developed at the authors' institute, the complex permittivity values of each layer of the window are extracted. The method is based on the principle of evolution optimization. This leads to a complete set of data for transmission of millimeter-waves through car windows which is important for future applications in car-to-car-communication as well in car-to-roadside communication.
Characterization of car windows for transmission of millimetre-waves
2000
4 Seiten, 15 Bilder, 1 Tabelle, 5 Quellen
(nicht paginiert)
Conference paper
Storage medium
English
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