Lecture 2 DSP Drei

Question 1

A signal that satisfies the condition x(t)=x(−t)

Accepted Answer

Even symmetric

Question 2

A signal that satisfies the condition x(t)=−x(−t)

Accepted Answer

Odd symmetric

Question 3

The result of adding an Even signal and an Odd signal

Accepted Answer

Asymmetric

Question 4

The result of multiplying an Odd signal by another Odd signal

Accepted Answer

Even symmetric

Question 5

The symmetry classification of the elementary function cos(ωt)

Accepted Answer

Even symmetric

Question 6

The symmetry classification of the elementary function sin(ωt)

Accepted Answer

Odd symmetric

Question 7

The formula used to extract the odd symmetric component xo​(t) from an asymmetric signal

Accepted Answer

(1/2){x(t)−x(−t)}

Question 8

The symmetry classification of the unit step function u(t)

Accepted Answer

Asymmetric

Question 9

The result of multiplying a Symmetric signal by an Asymmetric signal

Accepted Answer

Asymmetric

Question 10

The smallest value of T for which x(t)=x(t±T) holds true

Accepted Answer

Fundamental period (To​)

Question 11

The reciprocal of the fundamental period

Accepted Answer

Fundamental frequency (fo​)

Question 12

The term for the portion of a graph that is repeated to generate the rest of a periodic signal

Accepted Answer

Cycle

Question 13

The result of adding a Periodic signal to an Aperiodic signal

Accepted Answer

Aperiodic

Question 14

The mathematical method used to find the fundamental period of the sum or difference of periodic signals

Accepted Answer

Least Common Multiple (LCM)

Question 15

The fundamental period of a constant function x(t)=k

Accepted Answer

Approaches zero

Question 16

The fundamental period To​ of the sinusoid sin(4t)

Accepted Answer

0.5π seconds

Question 17

The trigonometric identity used to convert 2cos2θ into a sum for periodicity testing

Accepted Answer

1+cos(2θ)

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