Considerananalog280-Hzsinusoidalsignal.Ifitwassampledata4-ms interval, what is the alias frequency?
Atwhatfrequencywoulda210Hzsignalberecordedbyadigital recording system with a sampling rate of 130 Hz?
Sketchthespectrumyouwouldexpectfromseismogramsrecordedunder the following circumstances. Label the axes.A noise study reveals a generally white background of-6
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