Abstract: The conventional sector beam antenna array used in communication system suffers from the reduced signal strength as its distance to the receiving terminal gradually increases. In response to ...
Abstract: Accurate modeling is an important aspect for a reliable design, control and optimization of proton exchange membrane (PEM) fuel cell. The mathematical model of PEM fuel cell involves a set ...
A woman who has made £6,000 selling unwanted items on Vinted says there is one secret trick she swears by – and insists it’s the reason she’s been so successful. Polly Arrowsmit joined the second-hand ...
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