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  • #the  »sampling theorem«,  which must be strictly observed in time discretization, *the  »'''sampling'''«  of the source signal  $x(t)$,  which is expedient
    18 KB (2,937 words) - 14:51, 22 June 2023
  • :$${a_{\rm K}(f)}/{ {\rm dB}} = \left [ 5.1 + 14.3 \cdot \left ({f}/{ {\rm MHz}}\right )^{0.59}\right ]\cdot{l}/{ {\rm ...; $a_{\rm K}(f)$  for one kilometer of cable length is between  $5.1 \ \rm dB$  $($at  $f = 0)$  and  $19.4 \ \rm dB$ 
    28 KB (4,382 words) - 18:31, 16 November 2022