向外供接触
发表于 2025-3-26 22:22:36
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鞠躬
发表于 2025-3-27 03:38:10
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overshadow
发表于 2025-3-27 05:30:32
https://doi.org/10.1007/978-3-642-67660-4ions and consequent frequency response. It investigates the differences in the passband shape and transition band roll-off rate for these particular prototype filter designs. Digital filter design is then introduced via the difference equation of Chapter 4 and the various filter structures are explo
热情的我
发表于 2025-3-27 13:05:57
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lambaste
发表于 2025-3-27 14:31:20
Sachverzeichnis für die Bände I–III, VIIAcan be described as ‘weighted sums of complex exponentials’ and are thus highly predictable in the following sense: given the Fourier transform of a signal we can work out exactly what the value of that signal would be at any time .. In practical applications other signals are encountered which are
Arresting
发表于 2025-3-27 19:04:47
Sachverzeichnis für die Bände I–III, VIIA in previous chapters are based firmly on frequency domain concepts. For example, in a particular application it might be known . that the desired signal exists within a narrow bandwidth of . Hz centred at a frequency . Hz and is subjected to additive noise or interference whose power is spread over
NADIR
发表于 2025-3-27 22:17:51
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造反,叛乱
发表于 2025-3-28 05:33:18
Sacred Humanism without Miracles >128-point, is that the DFT processing becomes extensive and, with limited speed multiply and accumulate hardware, then the bandwidth of the DFT processor is restricted. For a real multiply and accumulate (MAC) rate of 50 MHz and a corresponding cycle time of 20 ns, the sample rate of a 1024-point
dearth
发表于 2025-3-28 07:37:04
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Duodenitis
发表于 2025-3-28 12:34:44
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