Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
2. A DSBSC signal has the information signal m(t) and the carrier cos(wct). The received signal...
2. Suppose a DSBSC signal is received with information signal m(t), carrier frequency oc, and carrier...
2. Suppose a DSBSC signal is received with information signal m(t), carrier frequency oc, and carrier phase 01. A squaring loop is used to recover the carrier frequency and phase in the receiver. a) Draw the block diagram of the squaring loop. Label the outputs mathematically for each of the blocks in the block diagram. If the receiver input is a SSBSC signal, does the squaring loop recover the carrier frequency and phase? Justify your answer mathematically. A yes or...
The input r(t) to a DSBSC receiver is a DSB signal s(t) = A m(t)cos (21fet)...
The input r(t) to a DSBSC receiver is a DSB signal s(t) = A m(t)cos (21fet) corrupted by additive white Gaussian noise with two-sided power spectral density N,/2, where No = 10-12 W/Hz, m(t) is a message signal bandlimited to 10 kHz. Average power of m(t) is Pm = 4 W and Ac = 2 mV. The block diagram of the receiver is shown below. Note that the receiver has filters which have slightly larger bandwidths than a typical DSB...
got 50 min sgn(t) and unmodulated carrier cos(wct), draw the output of unmodulate 3. a. For the message signal m(t)-2sgn(t) phase modulator with m(t) (k/4) cos(o t b. For the message signal m(t)--...
got 50 min
sgn(t) and unmodulated carrier cos(wct), draw the output of unmodulate 3. a. For the message signal m(t)-2sgn(t) phase modulator with m(t) (k/4) cos(o t b. For the message signal m(t)--2sgn(t) and unmodulated carrier cos(wet ) shown above where ue-207, draw the output of frequency modulator with m(t) (k-10n)
sgn(t) and unmodulated carrier cos(wct), draw the output of unmodulate 3. a. For the message signal m(t)-2sgn(t) phase modulator with m(t) (k/4) cos(o t b. For the message signal...
Use MATLAB to plot the AM DSBSC modulated signals with modulation index m=0.25,0.5,0.8,1.0,1.2,1.5,2.0 with carrier signal...
Use MATLAB to plot the AM DSBSC modulated signals with modulation index m=0.25,0.5,0.8,1.0,1.2,1.5,2.0 with carrier signal c(t)=20cos(2pi20000t) and massage signal m(t)=Vm cos(2pi3000t) along with the envelope.
below is used to modulate a carrier to generate the AM signal yt) (Am()) cos(1000t) The periodic signal m() shown a) The power efficiency of the system is measured to be 1 () The type of AM modula...
below is used to modulate a carrier to generate the AM signal yt) (Am()) cos(1000t) The periodic signal m() shown a) The power efficiency of the system is measured to be 1 () The type of AM modulation, i.e. SSB, DSBSC, (i) The constant A. (ili) The modulation index 1/13. Determine DSB with carrier enit -3 b) An angle modulated signal is given by d(t-2 cos (2n1061+ sin 2 1000). Find i) The carrier frequency. ii) The baseband signal bandwidth....
(5 pt) Signal x(t) 5cos(2? x5x106x1) Is transmitted. The received signal is 6. 4 cos (2...
(5 pt) Signal x(t) 5cos(2? x5x106x1) Is transmitted. The received signal is 6. 4 cos (2 x 5 x 106 x 1-?) . Assume the phase shift is caused by propagation delay. y(t) a. (3 pt) Suppose [rad]. What is the minimum distance between the transmitter and the receiver? b. (2* pt) Suppose ?--[rad]. What is the minimum distance between the 4 transmitter and the receiver? Page 4 of 9
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...
3. a. For the message signal m(t)-2sgnit) and unmodulated carrier cos(u,ti, draw the output of phase modulator with m(t) (n/4) cos(ω-') - For the message signal m(t)--2sgn(t) and unmodulated c...
3. a. For the message signal m(t)-2sgnit) and unmodulated carrier cos(u,ti, draw the output of phase modulator with m(t) (n/4) cos(ω-') - For the message signal m(t)--2sgn(t) and unmodulated carrier cos(w,t) shown above where -20m, draw the output of frequency modulator with m(t) (k-10n)
3. a. For the message signal m(t)-2sgnit) and unmodulated carrier cos(u,ti, draw the output of phase modulator with m(t) (n/4) cos(ω-') - For the message signal m(t)--2sgn(t) and unmodulated carrier cos(w,t) shown above where -20m, draw...
1. If m(t) = cos(800 mt) cos(2007) - signal to be transmitted, and c(t) = 5...
1. If m(t) = cos(800 mt) cos(2007) - signal to be transmitted, and c(t) = 5 cos(5000ft) - Carrier signal , (a) Sketch DSB-TC(f) (b) Find modulated signal bandwidth (c) Find modulation index (u), and power efficiency (n). 2. Sketch the mixer block diagram to convert di(t) to 02(t) and indicate all blocks parameters (a) 61(t) = 10 cos(200mt) cos(13000) (b) 02(t) = 10 cos(200 mt) cos(22000 nt))
When the message signal m (t) =cos (2π fmt) and the carrier signal is c(t)=cos (2π fct) , fm<&...
When the message signal m (t) =cos (2π fmt) and the
carrier signal is c(t)=cos (2π fct) ,
fm<< fc,
The modulated DSB-SC signal
SDSB-SC=m(t)cos(2πfct) is generated, and only
the upper sideband
To generate and transmit the SSB signal. As shown in the figure
below, the receiver is a local oscillator
cosine signal to the received signal and passes it through a
low-pass filter. Answer the following questions.
(a) Draw the waveform of DSB-SC modulated signal
SDSB-SC(t）
(b)Find the result...
2. Suppose a DSBSC signal is received with information signal m(t), carrier frequency oc, and carrier phase 01. A squaring loop is used to recover the carrier frequency and phase in the receiver. a) Draw the block diagram of the squaring loop. Label the outputs mathematically for each of the blocks in the block diagram. If the receiver input is a SSBSC signal, does the squaring loop recover the carrier frequency and phase? Justify your answer mathematically. A yes or...
The input r(t) to a DSBSC receiver is a DSB signal s(t) = A m(t)cos (21fet) corrupted by additive white Gaussian noise with two-sided power spectral density N,/2, where No = 10-12 W/Hz, m(t) is a message signal bandlimited to 10 kHz. Average power of m(t) is Pm = 4 W and Ac = 2 mV. The block diagram of the receiver is shown below. Note that the receiver has filters which have slightly larger bandwidths than a typical DSB...
got 50 min
sgn(t) and unmodulated carrier cos(wct), draw the output of unmodulate 3. a. For the message signal m(t)-2sgn(t) phase modulator with m(t) (k/4) cos(o t b. For the message signal m(t)--2sgn(t) and unmodulated carrier cos(wet ) shown above where ue-207, draw the output of frequency modulator with m(t) (k-10n)
sgn(t) and unmodulated carrier cos(wct), draw the output of unmodulate 3. a. For the message signal m(t)-2sgn(t) phase modulator with m(t) (k/4) cos(o t b. For the message signal...
below is used to modulate a carrier to generate the AM signal yt) (Am()) cos(1000t) The periodic signal m() shown a) The power efficiency of the system is measured to be 1 () The type of AM modulation, i.e. SSB, DSBSC, (i) The constant A. (ili) The modulation index 1/13. Determine DSB with carrier enit -3 b) An angle modulated signal is given by d(t-2 cos (2n1061+ sin 2 1000). Find i) The carrier frequency. ii) The baseband signal bandwidth....
(5 pt) Signal x(t) 5cos(2? x5x106x1) Is transmitted. The received signal is 6. 4 cos (2 x 5 x 106 x 1-?) . Assume the phase shift is caused by propagation delay. y(t) a. (3 pt) Suppose [rad]. What is the minimum distance between the transmitter and the receiver? b. (2* pt) Suppose ?--[rad]. What is the minimum distance between the 4 transmitter and the receiver? Page 4 of 9
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...
3. a. For the message signal m(t)-2sgnit) and unmodulated carrier cos(u,ti, draw the output of phase modulator with m(t) (n/4) cos(ω-') - For the message signal m(t)--2sgn(t) and unmodulated carrier cos(w,t) shown above where -20m, draw the output of frequency modulator with m(t) (k-10n)
3. a. For the message signal m(t)-2sgnit) and unmodulated carrier cos(u,ti, draw the output of phase modulator with m(t) (n/4) cos(ω-') - For the message signal m(t)--2sgn(t) and unmodulated carrier cos(w,t) shown above where -20m, draw...
1. If m(t) = cos(800 mt) cos(2007) - signal to be transmitted, and c(t) = 5 cos(5000ft) - Carrier signal , (a) Sketch DSB-TC(f) (b) Find modulated signal bandwidth (c) Find modulation index (u), and power efficiency (n). 2. Sketch the mixer block diagram to convert di(t) to 02(t) and indicate all blocks parameters (a) 61(t) = 10 cos(200mt) cos(13000) (b) 02(t) = 10 cos(200 mt) cos(22000 nt))
When the message signal m (t) =cos (2π fmt) and the
carrier signal is c(t)=cos (2π fct) ,
fm<< fc,
The modulated DSB-SC signal
SDSB-SC=m(t)cos(2πfct) is generated, and only
the upper sideband
To generate and transmit the SSB signal. As shown in the figure
below, the receiver is a local oscillator
cosine signal to the received signal and passes it through a
low-pass filter. Answer the following questions.
(a) Draw the waveform of DSB-SC modulated signal
SDSB-SC(t）
(b)Find the result...
Most questions answered within 3 hours.
-
Lower Equitorial and Upper Equitorial are the same except Lower
Equitorial has a larger capital stock....
asked 1 minute ago -
how do you think that pH of a jar where you have added a certain
amount...
asked 11 minutes ago -
If the Federal Reserve increases the reserve requirement, what
will happen to the Money Supply in...
asked 6 minutes ago -
Suppose that market demand for a good is given by Q = 9 - 0.3 P...
asked 12 minutes ago -
two thin lenses are separated by a distance x. The first lens
has a focal length...
asked 13 minutes ago -
The computer that controls a bank's automatic teller machine
crashes a mean of 0.6 times per...
asked 17 minutes ago -
`1) How is -9 (base 10) represented in 8-bit two's complement
notation?
a) 00001001
b)11110111
c)11110110...
asked 27 minutes ago -
A 10.000 g sample of water contains 11.19% H by mass. what
should be the %H...
asked 44 minutes ago -
Consider an investment game among 2 players. Each player can
either invest,
i, or not invest,-i....
asked 42 minutes ago -
The time taken to complete a particular task is normally
distributed with a standard deviation of...
asked 52 minutes ago -
we have heteroskedasticity in a regression when:
When the variance of error terms changes when an...
asked 1 hour ago -
Explain some different types of fungi. State the different
divisions undergo by fungi.
asked 1 hour ago