Near-Field Millimeter Wave Non-Contact Measurement of Step and Gap Mismatch in Aircraft and Automotive Panels
In this paper the capabilities of near-field and noncontact millimeter wave measurements for the purpose of accurately determining step and gap dimensions between two painted aircraft panels is demonstrated. Millimeter wave reflectometer with a single and a dual-differential open-ended rectangular waveguide probes were used in this investigation. It was shown that the dual-differential probe provides higher sensitivity than the single probe. A combination of a dual-differential and a single probe may be used to uniquely determine the step and gap dimensions from a combined set of output information.
S. Kharkovsky and R. Zoughi, "Near-Field Millimeter Wave Non-Contact Measurement of Step and Gap Mismatch in Aircraft and Automotive Panels," Proceedings of the IEEE Instrumentation and Measurement Technology Conference (2009, Singapore), pp. 728-731, Institute of Electrical and Electronics Engineers (IEEE), May 2009.
The definitive version is available at http://dx.doi.org/10.1109/IMTC.2009.5168546
IEEE Instrumentation and Measurement Technology Conference (2009: May 5-7, Singapore)
Electrical and Computer Engineering
Keywords and Phrases
Aircraft Panels; Automotive Panel; Differential Probes; Millimeter Wave Measurements; Near Fields; Near-Field; Non-Contact; Noncontact Measurements; Single Probe; Aircraft; Measurement Theory; Millimeter Wave Devices; Millimeter Waves; Rectangular Waveguides; Probes; Dual-Differential Probe; Gap-Step Mismatch; Millimeter Wave Measurement
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Article - Conference proceedings
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