A system in Figure Q.1(b) is consists of two (2) main blocks; BLOCK A and BLOCK B. The input signal of BLOCK A is m(t) 50 sinc(50t) and the cutoff frequency of low pass filter (LPF) is 100 Hz. (i) Define the function of BLOCK A and BLOCK B. (ii) Using duality property of Fourier Transform, find and sketch M(w). (iii) Sketch the frequency spectrum at point a, b and c. BLOCK A BLOCK B a m(t) X LPF |--- 2cos(1000t) 2cos(1000t) Figure Q.1(b)
A system in Figure Q.1(b) is consists of two (2) main blocks; BLOCK A and BLOCK B. The input signal of BLOCK A is m(t) 50 sinc(50t) and the cutoff frequency of low pass filter (LPF) is 100 Hz. (i) Define the function of BLOCK A and BLOCK B. (ii) Using duality property of Fourier Transform, find and sketch M(w). (iii) Sketch the frequency spectrum at point a, b and c. BLOCK A BLOCK B a m(t) X LPF |--- 2cos(1000t) 2cos(1000t) Figure Q.1(b)
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![A system in Figure Q.1(b) is consists of two (2) main blocks; BLOCK A and
BLOCK B. The input signal of BLOCK A is m(t)
50
sinc(50t) and the
cutoff frequency of low pass filter (LPF) is 100 Hz.
(i)
Define the function of BLOCK A and BLOCK B.
(ii)
Using duality property of Fourier Transform, find and sketch M(w).
(iii) Sketch the frequency spectrum at point a, b and c.
BLOCK A
BLOCK B
a
m(t) X
LPF
|---
2cos(1000t)
2cos(1000t)
Figure Q.1(b)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8b8bfc5-17a8-445b-9822-e139fd78f4db%2F8d9d2285-3e52-4389-bf8d-d597f2175625%2F3246549_processed.png&w=3840&q=75)
Transcribed Image Text:A system in Figure Q.1(b) is consists of two (2) main blocks; BLOCK A and
BLOCK B. The input signal of BLOCK A is m(t)
50
sinc(50t) and the
cutoff frequency of low pass filter (LPF) is 100 Hz.
(i)
Define the function of BLOCK A and BLOCK B.
(ii)
Using duality property of Fourier Transform, find and sketch M(w).
(iii) Sketch the frequency spectrum at point a, b and c.
BLOCK A
BLOCK B
a
m(t) X
LPF
|---
2cos(1000t)
2cos(1000t)
Figure Q.1(b)
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