Title :
An experimental millimetre wave imaging system
Author :
Zhang, L. ; Hao, Y. ; Parini, C.G. ; Dupuy, John
Author_Institution :
Dept. of Electron. Eng., Queen Mary Univ. of London, London
Abstract :
MMW (millimetre wave) imaging is considered as an effective approach to CWD (concealed weapon detection). In this paper, an experimental millimetre wave imaging system based on an aperture synthesis approach is designed. The system is used to scan a metallic object and the resulting field distribution has been recorded. To reconstruct the image, a holographic processing algorithm is applied and a focused image is obtained. The system is active and works at a single frequency, 92.5 GHz. It can be used to investigate the optimized system parameters such as antenna beam width, operating range from the target and aperture array element spacing, etc.
Keywords :
holography; image reconstruction; millimetre wave imaging; weapons; CWD; MMW; aperture synthesis approach; concealed weapon detection; frequency 92.5 GHz; holographic processing algorithm; image reconstruction; metallic object scanning; millimetre wave imaging system; Antennas and propagation; Apertures; Frequency; High-resolution imaging; Holography; Horn antennas; Image reconstruction; Optical imaging; Radar imaging; Weapons;
Conference_Titel :
Antennas and Propagation Conference, 2008. LAPC 2008. Loughborough
Conference_Location :
Loughborough
Print_ISBN :
978-1-4244-1893-0
Electronic_ISBN :
978-1-4244-1894-7
DOI :
10.1109/LAPC.2008.4516908
