cleaver 发表于 2025-3-30 10:20:28
J. Y. Xu,B. J. van Brussel,J. Noordhuis,P. M. Bronsveld,J. Th. M. de Hossonnced engi neering system we come in contact with these days depends upon some form of sampling and digital signal processing. Well known examples are digital tele phone systems, digital recording of audio signals and computer control. These developments have been matched by the appearance of a pleHOWL 发表于 2025-3-30 15:25:47
F. J. Worzala,J. R. Conrad,R. A. Dodd,M. Madapura,K. Sridharanruhe University (Germany). sampling is understood to be the taking of samples from a material in order to obtain information about the composition of the total amount in respect of one or more attributes, such as metal content, ash content, moisture, particle size, particle shape etc. In the case ofMorphine 发表于 2025-3-30 18:17:56
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