A signal is sampled at 113000 Hz. It is quantized into 255 intervals. The data is to be communicated serially. What is t...
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A signal is sampled at 113000 Hz. It is quantized into 255 intervals. The data is to be communicated serially. What is t...
3 Theory A shift register is a series of flip-flops connected so that data can be...
3 Theory A shift register is a series of flip-flops connected so that data can be transferred to a neighbor each time the clock pulse is active. An example is the display on your calculator. As numbers are entered on the keypad, the previously entered numbers are shifted to the left. Shift registers can be made to shift data to the left, to the right, or in either direction (bi-directional), using a control signal. They can be made from either...
1. (a) A signal band-limited to 10 kt is sampled at Nyquist rate and i-law quantized...
1. (a) A signal band-limited to 10 kt is sampled at Nyquist rate and i-law quantized with ? 127. if this digital signal is to be transmitted with an SNR of at least 30 dB, determine the number of bits in the quantizer output. (b) What is the actual SNR observed at the quantizer output in part (a)7 (e) Determine the transmission bandwidth of the digital signal above.
2. a) A signal, g(t)-sinc(20nt), is uniformly sampled at a rate of (i) 15 Hz, (ii)...
2. a) A signal, g(t)-sinc(20nt), is uniformly sampled at a rate of (i) 15 Hz, (ii) 25 Hz. For each of these cases, sketch the spectrum of the sampled signal. b) Consider an analog signal,
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...
4. A signal x()3cos(4007t) is sampled at rate of 1200 Hz to compute its 36-point DFT X[k]. a) What is Xk]? b) Plot Xk]...
4. A signal x()3cos(4007t) is sampled at rate of 1200 Hz to compute its 36-point DFT X[k]. a) What is Xk]? b) Plot Xk]
4. A signal x()3cos(4007t) is sampled at rate of 1200 Hz to compute its 36-point DFT X[k]. a) What is Xk]? b) Plot Xk]
An information signal m(t) has highest frequency of W Hz and is sampled using a periodic...
An information signal m(t) has highest frequency of W Hz and is sampled using a periodic pulse train p(t) made up of a rectangular pulse of width 1/8W seconds repeating at the Nyquist rate. a) Expand p(t) using a Fourier series expansion and use it to write the form for the sampled information signal mp(t). Put your result in the simplest possible terms. You may assume that p(t) is symmetric about t = 0. b) How would you recover m(t)...
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,...
1. Fill in the blanks to configure the SCII module of HCS12 with the following settings 14400 baud (Bus clock is 24 MHz) SCI enabled in wait mode One start bit, 8 data bits, one stop bit Enable trans...
1. Fill in the blanks to configure the SCII module of HCS12 with the following settings 14400 baud (Bus clock is 24 MHz) SCI enabled in wait mode One start bit, 8 data bits, one stop bit Enable transmit and receive Enable TDRE (TX data register empty) interrupt Enable RDRF (RX data register full) interrupt No loop back Enablc parity checking and use odd parity ; ; 14400 baud SCI enabled in wait mode; enable parity and use odd parity...
Suppose a digital data signal b(t) is transmitted using Binary Phase Shift Keying (BPSK) modulati...
please show all steps and explaination
Suppose a digital data signal b(t) is transmitted using Binary Phase Shift Keying (BPSK) modulation. a. If the digital data signal b(t) is NRZ binary waveform with bit rate of 1 Mbps and the 2. modulation carrier frequency is 10 MHz, provide an approximate magnitude plot of the frequency spectrum. What is the required bandwidth of this BPSK modulated signal? What happens if you half the bit rate? Provide an approximate magnitude plot of...
Generate plots for the function in Example 8.1 with sample intervals of 0.5 sec, 1 sec, and 10 se...
Generate plots for the function in Example 8.1 with sample intervals of 0.5 sec, 1 sec, and 10 sec. Explain the results in light of the sampling theorem. Example 8.1 Sampling Theorem and Aliasing Consider the function FO sin( at)+sin br) Using a trigonometric identity for the sum of two sinusoidal functions, we can rewrite FO as the following product: a+ b If frequencies a and b are close in value, the bracketed term has a very low frequency in...
3 Theory A shift register is a series of flip-flops connected so that data can be transferred to a neighbor each time the clock pulse is active. An example is the display on your calculator. As numbers are entered on the keypad, the previously entered numbers are shifted to the left. Shift registers can be made to shift data to the left, to the right, or in either direction (bi-directional), using a control signal. They can be made from either...
1. (a) A signal band-limited to 10 kt is sampled at Nyquist rate and i-law quantized with ? 127. if this digital signal is to be transmitted with an SNR of at least 30 dB, determine the number of bits in the quantizer output. (b) What is the actual SNR observed at the quantizer output in part (a)7 (e) Determine the transmission bandwidth of the digital signal above.
2. a) A signal, g(t)-sinc(20nt), is uniformly sampled at a rate of (i) 15 Hz, (ii) 25 Hz. For each of these cases, sketch the spectrum of the sampled signal. b) Consider an analog signal,
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...
4. A signal x()3cos(4007t) is sampled at rate of 1200 Hz to compute its 36-point DFT X[k]. a) What is Xk]? b) Plot Xk]
4. A signal x()3cos(4007t) is sampled at rate of 1200 Hz to compute its 36-point DFT X[k]. a) What is Xk]? b) Plot Xk]
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,...
1. Fill in the blanks to configure the SCII module of HCS12 with the following settings 14400 baud (Bus clock is 24 MHz) SCI enabled in wait mode One start bit, 8 data bits, one stop bit Enable transmit and receive Enable TDRE (TX data register empty) interrupt Enable RDRF (RX data register full) interrupt No loop back Enablc parity checking and use odd parity ; ; 14400 baud SCI enabled in wait mode; enable parity and use odd parity...
please show all steps and explaination
Suppose a digital data signal b(t) is transmitted using Binary Phase Shift Keying (BPSK) modulation. a. If the digital data signal b(t) is NRZ binary waveform with bit rate of 1 Mbps and the 2. modulation carrier frequency is 10 MHz, provide an approximate magnitude plot of the frequency spectrum. What is the required bandwidth of this BPSK modulated signal? What happens if you half the bit rate? Provide an approximate magnitude plot of...
Generate plots for the function in Example 8.1 with sample intervals of 0.5 sec, 1 sec, and 10 sec. Explain the results in light of the sampling theorem. Example 8.1 Sampling Theorem and Aliasing Consider the function FO sin( at)+sin br) Using a trigonometric identity for the sum of two sinusoidal functions, we can rewrite FO as the following product: a+ b If frequencies a and b are close in value, the bracketed term has a very low frequency in...
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