glacial
发表于 2025-4-1 02:23:13
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intercede
发表于 2025-4-1 06:35:22
https://doi.org/10.1007/978-3-319-98587-9 (To some extent any circuit containing reactive components acts as a filter, that is it attenuates more at some frequencies than at others.) Any network may be so arranged as to have a pair of input terminals (the input .) and another pair for output (the output port) as in figure 5.1a. The ratio o