Abstract: This paper presents a dual circular polarized feed system, which comprises an enhanced multiport turnstile junction and a corrugated circular horn with high aperture efficiency. The feed ...
The following is a guest contribution and reflects the author’s views alone. For information on how to submit a piece to the Opinion section, click here. Last Wednesday, I sat in Green Hall having an ...
Tycoon Li Ka-shing has added more than US$6 billion to his net worth, boosting his standing as Hong Kong’s richest individual and contributing to a US$65 billion increase in the assets of the city’s ...
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