a. Which of the following is true? The Fourier transform of a unit rectangular pulse is A. real. B. not oscillating. C. complex. D. neither real nor complex.
a. Which of the following is true? The Fourier transform of a unit rectangular pulse is
A. |
real. |
|
B. |
not oscillating. |
|
C. |
complex. |
|
D. |
neither real nor complex. |
b. Which of the following is true? For system and signal operations, the symbol “*” is typically shared between
A. |
convolution and complex conjugate. |
|
B. |
linear combination and complex conjugate. |
|
C. |
orthogonality and complex conjugate. |
|
D. |
multiplication and complex conjugate. |
c. Which of the following is true? The Fourier transform is based on
A. |
The Fourier series by substituting the signal x(t) into Fourier coefficient’s expression. |
|
B. |
The Fourier series by substituting the Fourier coefficient’s expression into a random signal which is periodic over a defined period. |
|
C. |
The Fourier series by substituting the Fourier coefficient’s expression into x(t). |
|
D. |
The Fourier series because this is a logical process. |
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