1. A non-periodic composite signal contains frequencies from 10 to 30 KHz. The peak amplitude is...
1. A non-periodic composite signal contains frequencies from 10 to 30 KHz. The peak amplitude is 10 V for the lowest and the highest signals and is 30 V for the 20-KHz signal. Assuming that the amplitudes change gradually from the minimum to the maximum, draw the frequency spectrum.
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1. A non-periodic composite signal contains frequencies from 10
to 30 KHz. The peak amplitude is...
A periodic composite signal contains frequencies from 100 to 400 KHz with a step of 20...
A periodic composite signal contains frequencies from 100 to 400 KHz with a step of 20 KHz. The peak amplitude is 100 V for the lowest and the highest signals and is 200 V for the 200-KHz signal. Assuming that the amplitudes change gradually from the minimum to the maximum, draw the frequency spectrum.
1. An analog signal \(\mathrm{x}(\mathrm{t})\) contains frequencies from 0 up to \(10 \mathrm{kHz}\). You can assume...
1. An analog signal \(\mathrm{x}(\mathrm{t})\) contains frequencies from 0 up to \(10 \mathrm{kHz}\). You can assume any arbitrary spectrum for this signal. (Note that this signals also has frequencies from 0 to \(-10 \mathrm{KHz} .)\) a) Draw the frequency spectrum of the signal after it has been sampled with a sampling frequency \(\mathrm{F}_{\mathrm{s}}=25 \mathrm{kHz}\) b) What range of sampling frequencies allows exact reconstruction of this signal from its samples? c) How is the original signal reconstructed from the sampled signal?...
a. Find the Bandwidth (b) Draw he spectrum asuming volls. components have a maximum amplitude of 5 41 Л signal has HW of 75Hz. The highest frequency is 175Hz. (a). Find the lowest frequency. (b)....
a. Find the Bandwidth (b) Draw he spectrum asuming volls. components have a maximum amplitude of 5 41 Л signal has HW of 75Hz. The highest frequency is 175Hz. (a). Find the lowest frequency. (b). Draw the spectrum if the signal contains all frequencies of the same amplitude 42 If a signal has 2 data levels with a pulse duration of lms, calculate the pulse rate and bit rate
a. Find the Bandwidth (b) Draw he spectrum asuming volls. components...
14. Given a sinusoidal modulating signal with frequencies f," 10 kHz and a carrier signal of...
14. Given a sinusoidal modulating signal with frequencies f," 10 kHz and a carrier signal of 100 MHz, determine the bandwidth of FM for the three cases (amplitudes: 1. 10, 100, 1000) when the maximum frequency deviation is 50 kHz and k,-2? × 100 rad/sec/volt.
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz wit...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
just ba and c please Date of Submission: (10 pts) The Fourier Transform of a non-periodic...
just ba and c please
Date of Submission: (10 pts) The Fourier Transform of a non-periodic rectangular pulse waveform fo having amplitude A and width t is given by V(f) AT (a) Consider a rectangular pulse waveform with amplitude A-20V and width τ 1 ms. Using (b) What is the value of spectrum at de? At what frequency does the first zero crossing occur? (c) Ifthe non-periodic waveform is multiplied by a sinusoid asM9cos2m×106, what will the Matlab, plot the...
volem 2. SINUSOIDAL MULTIPLICATION PROBLEM Consider the multiplication of a 10 kHz sinusoid W and 2kHz....
volem 2. SINUSOIDAL MULTIPLICATION PROBLEM Consider the multiplication of a 10 kHz sinusoid W and 2kHz. The respective amplitudes are given in the figure below. Picauon of a 10 kHz sinusoid with a signal consisting of the sum of two sinusoid V1(t)=5cos[21*10kHz*t] wo sinusoids having frequencies of: 3kHz - > Vor=V1(t)xV2(t) V2(t)=cos[21*3kHz"t]+4cos[2*2kHz*t) a. Accurately draw the entire input amplitude-frequency spectrum ACCURATELY and CLEARLY. b. Accurately draw the entire output amplitude-frequency spectrum ACCURATELY and CLEARLYTT. Note: You may use the front...
1 2 4. The amplitude modulation signal is given by the following expression and is applied...
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4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
AMPLITUDE MODULATION 1. Study in time and frequency domains of AM signals This AM signal is...
AMPLITUDE MODULATION 1. Study in time and frequency domains of AM signals This AM signal is represented below The x-axis has graduations in 10 seconds and y-axis has graduations in volts. 1.1 From this time display, find the values of Ach and μ. Give the name of these parameters. Comment on the waveform of the message signal, find its frequency f 1.2 Draw the amplitude spectrum IS(DI with a bilateral representation. Put graduations on the axes (in hertz and volt)....
A signal sampled at 10 kHz needs to be low-pass filtered to pass frequencies below 1...
A signal sampled at 10 kHz needs to be low-pass filtered to pass frequencies below 1 kHz and attenuate frequencies above 1.5 kHz with attenuation level of 0.01% (i.e., by a factor 0.000. Maximum passband ripple allowed is 0.1 dB. Use an FIR filter. Indicate if windowing is need and if so, choose an appropriate window. How many taps are needed? What are the values of the FIR filter at center tap and the ones next to the center tap...
a. Find the Bandwidth (b) Draw he spectrum asuming volls. components have a maximum amplitude of 5 41 Л signal has HW of 75Hz. The highest frequency is 175Hz. (a). Find the lowest frequency. (b). Draw the spectrum if the signal contains all frequencies of the same amplitude 42 If a signal has 2 data levels with a pulse duration of lms, calculate the pulse rate and bit rate
a. Find the Bandwidth (b) Draw he spectrum asuming volls. components...
14. Given a sinusoidal modulating signal with frequencies f," 10 kHz and a carrier signal of 100 MHz, determine the bandwidth of FM for the three cases (amplitudes: 1. 10, 100, 1000) when the maximum frequency deviation is 50 kHz and k,-2? × 100 rad/sec/volt.
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
just ba and c please
Date of Submission: (10 pts) The Fourier Transform of a non-periodic rectangular pulse waveform fo having amplitude A and width t is given by V(f) AT (a) Consider a rectangular pulse waveform with amplitude A-20V and width τ 1 ms. Using (b) What is the value of spectrum at de? At what frequency does the first zero crossing occur? (c) Ifthe non-periodic waveform is multiplied by a sinusoid asM9cos2m×106, what will the Matlab, plot the...
volem 2. SINUSOIDAL MULTIPLICATION PROBLEM Consider the multiplication of a 10 kHz sinusoid W and 2kHz. The respective amplitudes are given in the figure below. Picauon of a 10 kHz sinusoid with a signal consisting of the sum of two sinusoid V1(t)=5cos[21*10kHz*t] wo sinusoids having frequencies of: 3kHz - > Vor=V1(t)xV2(t) V2(t)=cos[21*3kHz"t]+4cos[2*2kHz*t) a. Accurately draw the entire input amplitude-frequency spectrum ACCURATELY and CLEARLY. b. Accurately draw the entire output amplitude-frequency spectrum ACCURATELY and CLEARLYTT. Note: You may use the front...
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2
4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
AMPLITUDE MODULATION 1. Study in time and frequency domains of AM signals This AM signal is represented below The x-axis has graduations in 10 seconds and y-axis has graduations in volts. 1.1 From this time display, find the values of Ach and μ. Give the name of these parameters. Comment on the waveform of the message signal, find its frequency f 1.2 Draw the amplitude spectrum IS(DI with a bilateral representation. Put graduations on the axes (in hertz and volt)....
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