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1. A signal given by x(t)=2cos(3a t) is sampled at a frequency of 20 Hz, starting at time t=0. i. Is the signal sampled frequently enough? Why. ii. Find the first six samples of the sequence. iii. Add delay to the sampled signal given in (b) by four samples. Draw the new one.

1. A signal given by x(t)=2cos(3a t) is sampled at a frequency of 20 Hz, starting at time t=0. i. Is the signal sampled frequently enough? Why. ii. Find the first six samples of the sequence. iii. Add delay to the sampled signal given in (b) by four samples. Draw the new one.

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1. A signal given by x(t)=2cos(3a t) is sampled at a frequency of 20 Hz, starting at time t=0. i. Is the signal sampled frequently enough? Why. ii. Find the first six samples of the sequence. iii. Add delay to the sampled signal given in (b) by four samples. Draw the new one.
Transcribed Image Text:1. A signal given by x(t)=2cos(3a t) is sampled at a frequency of 20 Hz, starting at time t=0. i. Is the signal sampled frequently enough? Why. ii. Find the first six samples of the sequence. iii. Add delay to the sampled signal given in (b) by four samples. Draw the new one.
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