Abstract: A novel feed-reflector system for large Cassegrain antennas of radio astronomy and deep-space communication applications is investigated. This feed-reflector is used to illuminate a ...
Abstract: The paper presented a novel kind of hyperbola type graded dumbbell coaxial resonator (HT-GDCR), which can also provide the superiority of GDCR. That is, the HT-GDCR can achieve ...
For the second time this month, a Chinese rocket designed for reuse successfully soared into low-Earth orbit on its first flight Monday, defying the questionable odds that burden the debuts of new ...
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