If the frequency spectrum of an analog signal has a bandwidth of 500 Hz with the...
If the frequency spectrum of an analog signal has a bandwidth of 500 Hz with the lowest frequency at 100 Hz, what should be the sampling rate according to Nyquist theorem?
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If the frequency spectrum of an analog signal has a bandwidth of
500 Hz with the...
If the frequency of a signal has a bandwidth of 400 Hz with the lowest frequency...
If the frequency of a signal has a bandwidth of 400 Hz with the lowest frequency at 300 Hz, what should be the sampling rate, according to the Nyquist theorem? a)1400 samples/s b)800 samples/s c)400 samples/s d)600 samples/s
Data communication Qs A signal has a bandwidth frequency of 150 Hz and the highest frequency...
Data communication Qs
A signal has a bandwidth frequency of 150 Hz and the highest frequency is 170 Hz. What is the lowest frequency of the signal? (just put the whole number. No decimal values. No units next to the number) A periodic signal completes one cycle in 0.04 second. What is the frequency? A sine wave completes 7200 cycles in one hour. What are its frequency and period? I: 50 Hz, II: 10 Hz, 0.1 seconds I: 25 Hz,...
An analog signal, bandlimited to 10 Hz is corrupted by high-frequency noise. The spectrum of the...
An analog signal, bandlimited to 10 Hz is corrupted by high-frequency noise. The spectrum of the noise is from 30 Hz to 50 Hz. The noisy analog signal is sampled at 70 Hz. A digital lowpass filter is to be designed so as to remove the noise from the signal. For the filter design problem, what would you choose for the desired frequency response D(?)? Sketch the function for 0 ? ? ? ? where ? is normalized frequency (radians/sample)....
Assume that an analog audio voice-frequency (VF) telephone signal m(t) occupies a band from 300 Hz...
Assume that an analog audio voice-frequency (VF) telephone signal m(t) occupies a band from 300 Hz to 3000 Hz. The signal is to be converted to a PCM signal for transmission over a digital telephone system. The signal is sampled at a rate 33.3% higher than the Nyquist rate. The maximum acceptable quantizatiorn error is 2% of the peak amplitude of m(t). The quantized samples are binary coded. Find the minimum bandwidth B of a noiseless channel required to transmit...
For a lowpass signal with a bandwidth of 6000 Hz, what is the minimum sampling frequency...
For a lowpass signal with a bandwidth of 6000 Hz, what is the minimum sampling frequency for perfect reconstruction of the signal? What is the minimum required sampling frequency if a guard band of 2000 Hz is required? What is the minimum required sampling frequency and the value of K for perfect reconstruction if the nstruction filter has the following frequency response lfl 7000 K-Kino 7000, 0, H(f) = 7000 < lfl < 10000) otherwise
2. For a lowpass signal with a bandwidth of 4000 Hz, what is the maximum sampling...
2. For a lowpass signal with a bandwidth of 4000 Hz, what is the
maximum sampling
frequency for perfect of a the signal? What is the minimum required
sampling frequency
if a guardband of 500 Hz is required ? If the reconstruction lter
has the frequency
response
(a) What is the minimum required sampling frequency and the value
of K for perfect
reconstruction ?
h of 4000 Hz, what is the maximum sampling for perfect of a the signal? What...
*5. Suppose an analog signal has an absolute bandwidth of 10 KHz. It is sampled at...
*5. Suppose an analog signal has an absolute bandwidth of 10 KHz. It is sampled at the Nyquist rate and converted to a digital signal using an A/D converter such that the output signal-to-quantization noise ratio is at least 40 dB. Using your engineering judgment, choose the number of bits for the A/D converter and determine the bit rate (i.e., the number of bits/sec).
The information in an analog signal voltage waveform is to be transmitted over a PCM system...
The information in an analog signal voltage waveform is to be
transmitted over a PCM system with an accuracy of 0.1 % full scale
accuracy . The analog voltage waveform has a bandwidth of 100 Hz
and an amplitude range of-10 to10 Volts. (a) Determine the minimum
sampling rate required (b) Determine the number of bits in each PCM
word. (c) Determine the minimum bit rate required in the PCM
system. (d) Determine the minimum absolute channel bandwidth
required for...
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)...
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...
Data communication Qs
A signal has a bandwidth frequency of 150 Hz and the highest frequency is 170 Hz. What is the lowest frequency of the signal? (just put the whole number. No decimal values. No units next to the number) A periodic signal completes one cycle in 0.04 second. What is the frequency? A sine wave completes 7200 cycles in one hour. What are its frequency and period? I: 50 Hz, II: 10 Hz, 0.1 seconds I: 25 Hz,...
Assume that an analog audio voice-frequency (VF) telephone signal m(t) occupies a band from 300 Hz to 3000 Hz. The signal is to be converted to a PCM signal for transmission over a digital telephone system. The signal is sampled at a rate 33.3% higher than the Nyquist rate. The maximum acceptable quantizatiorn error is 2% of the peak amplitude of m(t). The quantized samples are binary coded. Find the minimum bandwidth B of a noiseless channel required to transmit...
For a lowpass signal with a bandwidth of 6000 Hz, what is the minimum sampling frequency for perfect reconstruction of the signal? What is the minimum required sampling frequency if a guard band of 2000 Hz is required? What is the minimum required sampling frequency and the value of K for perfect reconstruction if the nstruction filter has the following frequency response lfl 7000 K-Kino 7000, 0, H(f) = 7000 < lfl < 10000) otherwise
2. For a lowpass signal with a bandwidth of 4000 Hz, what is the
maximum sampling
frequency for perfect of a the signal? What is the minimum required
sampling frequency
if a guardband of 500 Hz is required ? If the reconstruction lter
has the frequency
response
(a) What is the minimum required sampling frequency and the value
of K for perfect
reconstruction ?
h of 4000 Hz, what is the maximum sampling for perfect of a the signal? What...
*5. Suppose an analog signal has an absolute bandwidth of 10 KHz. It is sampled at the Nyquist rate and converted to a digital signal using an A/D converter such that the output signal-to-quantization noise ratio is at least 40 dB. Using your engineering judgment, choose the number of bits for the A/D converter and determine the bit rate (i.e., the number of bits/sec).
The information in an analog signal voltage waveform is to be
transmitted over a PCM system with an accuracy of 0.1 % full scale
accuracy . The analog voltage waveform has a bandwidth of 100 Hz
and an amplitude range of-10 to10 Volts. (a) Determine the minimum
sampling rate required (b) Determine the number of bits in each PCM
word. (c) Determine the minimum bit rate required in the PCM
system. (d) Determine the minimum absolute channel bandwidth
required for...
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...
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