Lecture 2 DSP Drei

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1
A signal that satisfies the condition x(t)=x(−t)
Even symmetric
2
A signal that satisfies the condition x(t)=−x(−t)
Odd symmetric
3
The result of adding an Even signal and an Odd signal
Asymmetric
4
The result of multiplying an Odd signal by another Odd signal
Even symmetric
5
The symmetry classification of the elementary function cos(ωt)
Even symmetric
6
The symmetry classification of the elementary function sin(ωt)
Odd symmetric
7
The formula used to extract the odd symmetric component xo​(t) from an asymmetric signal
(1/2){x(t)−x(−t)}
8
The symmetry classification of the unit step function u(t)
Asymmetric
9
The result of multiplying a Symmetric signal by an Asymmetric signal
Asymmetric
10
The smallest value of T for which x(t)=x(t±T) holds true
Fundamental period (To​)
11
The reciprocal of the fundamental period
Fundamental frequency (fo​)
12
The term for the portion of a graph that is repeated to generate the rest of a periodic signal
Cycle
13
The result of adding a Periodic signal to an Aperiodic signal
Aperiodic
14
The mathematical method used to find the fundamental period of the sum or difference of periodic signals
Least Common Multiple (LCM)
15
The fundamental period of a constant function x(t)=k
Approaches zero
16
The fundamental period To​ of the sinusoid sin(4t)
0.5π seconds
17
The trigonometric identity used to convert 2cos2θ into a sum for periodicity testing
1+cos(2θ)
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