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This paper describes the practical development of National Metrology Centre (NMC)'s microwave power sensor calibration system using the direct comparison transfer method based on previous developed coaxial broadband calibration system. We propose an analytical method to deal with the adaptor problem to treat the connector difference and power level difference of DUTs from the reference standards....
An improved formalism by the equivalence principle has been verified to be an accurate model of the field distribution near a thin slot for the finite-difference time-domain analysis of the thin-slot penetration.
The quasi-optics sub-system of Millimeter-wave focal plane arrays imaging system includes the design of system parameters, multi-beam design of focusing element and design of feed antenna. Design of focusing element decides the spatial resolution and the maximum field of view of the system. The design and arrangement of the feed antenna related to the overflow efficiency and the spatial sampling rate...
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