Abstract: Millimeter-wave (mm-Wave) frequency-modulated continuous wave (FMCW) radars become popular among automotive, security and gesture recognition applications [1–4]. To achieve high ...
The 1980 penny error coins represent some of the most exciting finds for collectors searching through pocket change. With over 12 billion pennies minted that year ...
The “Faceless Bat” error represents the most famous mistake on 2020 American Samoa quarters, where debris or grease between the die and planchet obscured the ...
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