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Proton Exchange Membrane Fuel Cells (PEMFCs) are considered as a potential candidate in the green energy applications in the near future. The fuel cells show multiple advantages compared to conventional energy sources. They need only hydrogen and air during operation, meanwhile, produce only water which is 100% environmental friendly. However, PEMFCs are vulnerable to the impurities of hydrogen or...
This paper presents a short review of the aging mechanism modeling of proton exchange membrane (PEM) fuel cell in automotive applications. The fuel cell aging mechanism is particularly important for fuel cell transportation applications, because the degradation rates of a fuel cell could increase very fast when operating at different transient conditions, such as: load cycles, start-stop cycles, fuel...
Channel mismatch, including amplitude and phase mismatch, has severely affected the performance of space-time adaptive processing (STAP). In order to ascertain the specification of the effects on STAP, theory analysis of relation between clutter covariance matrix (CCM) with and without channel mismatch is done based on the model provided by literature, and the effect to signal is also analyzed. In...
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