draw the double sided spectrum for the signal given x(t)= 1+sin(2pi10t) + 2cos(2pi20t) + cos(3pi60t +...
Homework Answers
Add Answer to:
draw the double sided spectrum for the signal given x(t)=
1+sin(2pi10t) + 2cos(2pi20t) + cos(3pi60t +...
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is sampled at twice the Nyquis...
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is sampled at twice the Nyquist rate to get the sequence r[n]. (a) Sketch X(e) (b) If y[n] = [4n]. Sketch Y(e'"). (c) Is there any aliasing in the Fourier spectrum of yin]? Why or Why Not? (d) If z [n] = x-1, ketch the DTFT of z[n] (e) Is there any aliasing in the Fourier spectrum of [n]? Why or Why Not?
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is...
(USING MATLAB) Given two differential equations X= sin(t)(exp(cos(t))-2cos(4t)+sin(t/12)^5) And Y = cos(t)(exp(cos(t))-2cos(4t)+sin(t/12)^5) where 0<t<20pi is a...
(USING MATLAB) Given two differential equations X= sin(t)(exp(cos(t))-2cos(4t)+sin(t/12)^5) And Y = cos(t)(exp(cos(t))-2cos(4t)+sin(t/12)^5) where 0<t<20pi is a vector of 5000 points created by using (linspace) command : Write script to plot X and Y with red color ?
1. Given a baseband signal m(t) sin(1000mt) cos(3000nt) + cos(3700nt a. Sketch the spectrum of m(...
1. Given a baseband signal m(t) sin(1000mt) cos(3000nt) + cos(3700nt a. Sketch the spectrum of m(t) (Hint. sin(a) cos(b) 0.5 sin(a +b) +0.5sin a-b)) b. Sketch the spectrum of DSB-CS signal m(t)cos(10000mt) C ldentify the upper sideband {USB) and lower sideband (LSB) spectra d. Give the black diagram of the receiver to receive DSB-CS signal in (b). 2. baseband signal m(r)--0.5 + Σ..小(t-n)-u(t-0.5-n)] where ult) is the Given unit step function, an amplitude modulated signal is as SAM 107+ m(0cos...
Q2 Consider a communication signal x(t) described by the following mathematical expression: x(t)=2 cos(2000) + 4...
Q2 Consider a communication signal x(t) described by the following mathematical expression: x(t)=2 cos(2000) + 4 sin? (2000) – 2+4rec(t)cos(6000mt) Analyse the communication signal x(t) then consider the following: (i) Determine the Fourier transform of the signal x(t). (ii) Plot the double-sided amplitude spectrum of the signal x(t).
of the LSB spectrum plucedure to also find PuSB ). A modulating signal m(t) įs given...
of the LSB spectrum plucedure to also find PuSB ). A modulating signal m(t) įs given by: (a) m(1)=cos 100π 1+2cos 300 (b) m()= sin 10Ort sin 500ml In each case: (i) Sketch the spectrum of m(t). (ii) Find and sketch the spectrum of the DSB-SC signal 2m(r) cos 1000 4.4.3 . ppress the LSB spectrum to obtain the USB spectrum. (iv) Knowing the USB spectrum in part (i), write the expression pusa(0) for the USB signal (v) Repeat parts...
Given the following signal: s(t) = 10 + 10 cos(2π.300t) cos(2π.700t)
Given the following signal: s(t) = 10 + 10 cos(2π.300t) cos(2π.700t) Answer the following questions: Use the following trigonometric identity and simplify s(t). cos A.cosB = 1/2cos(A-B) + 1/2cos(A+B) (a) Find the spectrum of the s(t) signal. (b) Find the Bandwidth (B) of the s(t) signal.
Prob 5 (continued): with message signal m(t): m(t) 10 cos(20mt) + 6 sin(60rt) (8 points) Write...
Prob 5 (continued): with message signal m(t): m(t) 10 cos(20mt) + 6 sin(60rt) (8 points) Write an equation (do not spend time simplifying! can be in terms of both sin0 and cos0 functions) for the LSB-SSB signal if the message signal is modulated by carrier at 100 Hz: e. (6 points) Sketch the double-sided magnitude spectrum for the LSB-SSB signal (you do not necessarily need the equation from part (d) to draw this, you can go off your knowledge of...
Q1) Given an analog signal X(t) = 3 cos (2π . 2000t) + 2 cos (2π...
Q1) Given an analog signal X(t) = 3 cos (2π . 2000t) + 2 cos (2π . 5500t) sampled at a rate of 10,000 Hz, a. Sketch the spectrum of the sampled signal up to 20 kHz; b. Sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to recover the original signal ; c. Determine the frequency/frequencies of aliasing noise . Q2)...
3(20%) Assume a message signal is given by m(t) = 4 cos(2π//) + cos(4π.t). Let x (t)-5m(t) cos(2t f t) + 5m(t) sin(...
3(20%) Assume a message signal is given by m(t) = 4 cos(2π//) + cos(4π.t). Let x (t)-5m(t) cos(2t f t) + 5m(t) sin( 2 fct), where m(t) İs the Hilbert Transform of m(t). (10%) (a) Derive x(t) (10%) (b) Prove, by sketching the spectra, that x(t) is a lower-sideband SSB signal of m(t).
3(20%) Assume a message signal is given by m(t) = 4 cos(2π//) + cos(4π.t). Let x (t)-5m(t) cos(2t f t) + 5m(t) sin( 2 fct), where m(t)...
4.2.1 For each of the baseband signals: (i) m(t) = cos 1000πι; (ii) m(1) = 2cos...
4.2.1 For each of the baseband signals: (i) m(t) = cos 1000πι; (ii) m(1) = 2cos sin 2000Tr; (ii) m(t) cos 1000t t cos 3000T t, do the following. (a) Sketch the spectrum of mt). (b) Sketch the spectrum of the DSB-SC signal mt) cos 10.000π. (c) Identify the upper sideband (USB) and the lower sideband (LSB) spectra. (d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC USB, and LSB spectra. Explain the nature of...
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is sampled at twice the Nyquist rate to get the sequence r[n]. (a) Sketch X(e) (b) If y[n] = [4n]. Sketch Y(e'"). (c) Is there any aliasing in the Fourier spectrum of yin]? Why or Why Not? (d) If z [n] = x-1, ketch the DTFT of z[n] (e) Is there any aliasing in the Fourier spectrum of [n]? Why or Why Not?
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is...
1. Given a baseband signal m(t) sin(1000mt) cos(3000nt) + cos(3700nt a. Sketch the spectrum of m(t) (Hint. sin(a) cos(b) 0.5 sin(a +b) +0.5sin a-b)) b. Sketch the spectrum of DSB-CS signal m(t)cos(10000mt) C ldentify the upper sideband {USB) and lower sideband (LSB) spectra d. Give the black diagram of the receiver to receive DSB-CS signal in (b). 2. baseband signal m(r)--0.5 + Σ..小(t-n)-u(t-0.5-n)] where ult) is the Given unit step function, an amplitude modulated signal is as SAM 107+ m(0cos...
Q2 Consider a communication signal x(t) described by the following mathematical expression: x(t)=2 cos(2000) + 4 sin? (2000) – 2+4rec(t)cos(6000mt) Analyse the communication signal x(t) then consider the following: (i) Determine the Fourier transform of the signal x(t). (ii) Plot the double-sided amplitude spectrum of the signal x(t).
of the LSB spectrum plucedure to also find PuSB ). A modulating signal m(t) įs given by: (a) m(1)=cos 100π 1+2cos 300 (b) m()= sin 10Ort sin 500ml In each case: (i) Sketch the spectrum of m(t). (ii) Find and sketch the spectrum of the DSB-SC signal 2m(r) cos 1000 4.4.3 . ppress the LSB spectrum to obtain the USB spectrum. (iv) Knowing the USB spectrum in part (i), write the expression pusa(0) for the USB signal (v) Repeat parts...
Prob 5 (continued): with message signal m(t): m(t) 10 cos(20mt) + 6 sin(60rt) (8 points) Write an equation (do not spend time simplifying! can be in terms of both sin0 and cos0 functions) for the LSB-SSB signal if the message signal is modulated by carrier at 100 Hz: e. (6 points) Sketch the double-sided magnitude spectrum for the LSB-SSB signal (you do not necessarily need the equation from part (d) to draw this, you can go off your knowledge of...
3(20%) Assume a message signal is given by m(t) = 4 cos(2π//) + cos(4π.t). Let x (t)-5m(t) cos(2t f t) + 5m(t) sin( 2 fct), where m(t) İs the Hilbert Transform of m(t). (10%) (a) Derive x(t) (10%) (b) Prove, by sketching the spectra, that x(t) is a lower-sideband SSB signal of m(t).
3(20%) Assume a message signal is given by m(t) = 4 cos(2π//) + cos(4π.t). Let x (t)-5m(t) cos(2t f t) + 5m(t) sin( 2 fct), where m(t)...
4.2.1 For each of the baseband signals: (i) m(t) = cos 1000πι; (ii) m(1) = 2cos sin 2000Tr; (ii) m(t) cos 1000t t cos 3000T t, do the following. (a) Sketch the spectrum of mt). (b) Sketch the spectrum of the DSB-SC signal mt) cos 10.000π. (c) Identify the upper sideband (USB) and the lower sideband (LSB) spectra. (d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC USB, and LSB spectra. Explain the nature of...
Most questions answered within 3 hours.
-
For a 2-Level design, with 8 factors, a recommended screening
design model is:
a. Taguchi L12...
asked 18 minutes ago -
1. Define a function in python that returns the sum of the
following 4 lists. Remember...
asked 9 minutes ago -
Elspeth, associate research specialist for a marketing research
firm in a large Midwestern city, had just...
asked 8 minutes ago -
If domestic savings are insufficient to finance domestic private
investment and exports are greater than imports,...
asked 24 minutes ago -
Q.4.
Use the format in Exhibit 9-1 to compute the ending LIFO
inventory and cost of...
asked 30 minutes ago -
Discuss the different receiving and dispatch equipment required
for uploading and loading different types of material...
asked 34 minutes ago -
Which of the following is true for simultaneous testing?
a. Net specificity is greater than the...
asked 38 minutes ago -
Discuss the importance of homologous recombination and
transposition in natural horizontal gene transfer and evolution. Be...
asked 42 minutes ago -
Brittle material has the properties Sut = 30 kpsi and Suc = 90
kpsi. Using the...
asked 41 minutes ago -
*
write about Plastic recycling statistics ( Plastic recycling rate )
last two years , i...
asked 40 minutes ago -
The activation energy for a given reaction is 50.3 kJ/mol. If
the rate constant for the...
asked 1 hour ago -
An entomologist discovers a dung beetle rolling a ball of dung
along the ground, and decides...
asked 3 hours ago