A continuos-time signal X(4) has frequencies in the range 30 to 40H2 The signal is Sampled with period Ts so that we obtain a discrete - time signal x[]=x (nTs) The amplitude spectrum x (F)| of x(t) is as following (F in hertz, using w=2MF) |lx(F기| F(Hz) - 40 -30 30 40 ) What's the Ny quist trequency at which x(4) Should be sampled to avoid alising ? b) We sample at a rate of 50 Hz, and apply a Low apass fiter with fc=30Hz. What will the min and max grequency of the resulted dignal?
A continuos-time signal X(4) has frequencies in the range 30 to 40H2 The signal is Sampled with period Ts so that we obtain a discrete - time signal x[]=x (nTs) The amplitude spectrum x (F)| of x(t) is as following (F in hertz, using w=2MF) |lx(F기| F(Hz) - 40 -30 30 40 ) What's the Ny quist trequency at which x(4) Should be sampled to avoid alising ? b) We sample at a rate of 50 Hz, and apply a Low apass fiter with fc=30Hz. What will the min and max grequency of the resulted dignal?
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Publisher:Robert L. Boylestad
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Question
![A continuos-time signal x(4) has frequencies
in the range 30 to 40H2. The signal is
Sompled with period Ts so that we obtain
a discrete - time signal x[]=x(nTs)
The amplitude spectrum x (F)| of x(t) is as
following (F in hertz, using w=2RF)
F(Hz)
30 40
- 40 -30
) What's the Ny quist Srequency at which x(4)
Should be sampled to avoid alising?
b) We sample at a rate of So H2, and apply
a Low -pass fiter with fc= 30Htz. What will
the min and max
frequency of
the resulted
dignal?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feec2cb69-f3d9-4e4b-8db8-4e702423f01b%2F8e43cfd6-5bb7-4f3f-a686-cda3f93c1065%2Fqtngr5d_processed.png&w=3840&q=75)
Transcribed Image Text:A continuos-time signal x(4) has frequencies
in the range 30 to 40H2. The signal is
Sompled with period Ts so that we obtain
a discrete - time signal x[]=x(nTs)
The amplitude spectrum x (F)| of x(t) is as
following (F in hertz, using w=2RF)
F(Hz)
30 40
- 40 -30
) What's the Ny quist Srequency at which x(4)
Should be sampled to avoid alising?
b) We sample at a rate of So H2, and apply
a Low -pass fiter with fc= 30Htz. What will
the min and max
frequency of
the resulted
dignal?
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