How to set the block format and the sample frequency

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Reference no: EM131215867

The visualisation of measurement data and signal processes is the most important aid in this manuscript for understanding signal processes. DASYLab provides many different visualisation methods for measurement data and signal processes. First create the circuit illustrated by means of various visualisation components (see above). Try to design the size and position of the displays as on the screen. Select a sinusoidal signal with the frequency f = 2 Hz.

(a) Now start the system above left and watch all the displays for some length of time. Try to find out which measurement data refer to the analogue instrument, the digital instrument or the bar chart.

(b) Try to see the correlation between the development of the signal on the screen of the plotter and the measurement data on the list (f = 0,2 Hz). At what intervals are the spot measurements of the signal ascertained or stored. How high is the so-called sample rate with which "samples" of the course of the signal are taken?

(c) For what kind of measurements are analog, digital instrument and bar graph suitable? What measurement from a whole block sequence of measurements do they reproduce?

(d) Which of the "display instruments" most clearly provides the readings which the computer could then process?

(e) Find out how to set the block format and the sample frequency in the menu (A/D). What exactly do these two quantities indicate?

(f) Set a block format of 1024 and a sample frequency of 1024 for all further experiments. How long does the recording of a measurement sequence (of a block) take and how many readings does it consist of?

Reference no: EM131215867

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