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Please show all work and explain all concepts and formulas
used.
2. (15pt) In the compact...
Answer all parts and show all steps please. 3323 Modern Digital and Analog Communication Question A...
Answer all parts and show all steps please.
3323 Modern Digital and Analog Communication Question A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz (a) If signal is sampled at the Nyquist rate and the samples are uniformly digitized into L 65,536 levels and then binary-coded, determine the number of bits required to encode a sample (b) If the audio signal has average power of 0.1 W and a...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modu...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modulation schemes if No-10-5 and time is 0.5msec i. On-Off keying (ASK), ii. BPSK, iii. BFSK and v. BPSK with a phase error of 5 deg. Consider an audio signal with spectral components limited to the frequency band 300 to 3300 Hz. Assume that the sampling rate of 8000 samples/s will be used to generate a PCM signal. The ratio of peak signal...
Consider an audio signal with spectral components limited to the frequency band 300 to 3300Hz. Assume...
Consider an audio signal with spectral components limited to the frequency band 300 to 3300Hz. Assume that a sampling rate of 8000 samples/sec will be used to generate a PCM signal. Assume that the ratio of peak signal power to average quantization noise power to average quantization noise power at the outputs needs to be 30dB What is the minimum number of uniform quantization levels needed, and what is the minimum number of bits per sample needed. Calculate the system...
2. In a digital transmission system is required that the quantization noise does not exceed +/-2%...
2. In a digital transmission system is required that the quantization noise does not exceed +/-2% of the peak-to-peak value of the analog signal.If the analog signal bandwidth and allowable transmission bandwidth are each 4000 Hz and sampling take place at Nyquist rate, what value of bandwidth efficiency is needed.
Communication System Solve with ALL steps Please QUESTION 3 Briefly explain the following Analog Pulse Modulation...
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth be 15 kHz. (a) If the Nyquist samples are uniformly quantized into L 65,5 (b) If the audio signal has average power of 0.1 W and peak voltage of 1 V, find the resulting (c) Determine the number of binary digits per second (bit/s) required to encode the audico (d) For practical reasons discussed in the text, signals are sampled at a rate well...
1. A mono audio signal has a bit rate (sampling rate times bits per sample) of...
1. A mono audio signal has a bit rate (sampling rate times bits per sample) of 35 MB/sec. How many seconds of such audio can be stored on a CD of 700 MB? 2. An audio signal is sampled at a rate of 256 samples per second and 8 bits are assigned to each sample. Calculate the file size of 4 seconds of stereo audio. 3. Following is(are) advantages of digital audio as compared to analog audio duplication flexibility environmental...
Please explain part 2 thoroughly. Thanks! Consider a message signal m(t) with power of 20 mW...
Please explain part 2 thoroughly. Thanks!
Consider a message signal m(t) with power of 20 mW that is applied to an analog-to-digital converter, with dynamic range of -1 to 1 volt. a) If uniform quantization is utilized, and the minimum signal-to-quantization-noise (SQNR) is 43 dB, determine the minimum number of bits required, and the corresponding SQNR obtained with this quantizer. b) Repeat Part (a) if a u-law compander is used with u-100. c) If the power of the signal m(t)...
part c wasnt answered Question 2 (25 Marks) Consider the following analog waveform that is to...
part c wasnt answered
Question 2 (25 Marks) Consider the following analog waveform that is to be digitized using PCM The resulting PCM code is to be sent at a bit rate of 240000 bps over a communication medium having an SNR of 15 dB. Also, the sampling rate used is 40000 samples/sec. Answer the following questions: a. What is the number of quantizing levels? b. If the sampling time is doubled: 1. What is the number of bits per...
digital communication
A compact disk (CD) recording system samples each of two stereo signals with a 16-bitanalog-to-digital converter (ADC) at 44.1 kb/s.a) Determine the output signal-to-quantizing ratio for a full-scale sinusoid.Hint: Use Equation 4.47b) The bit stream of digitized data is augmented by the addition of error-correcting bits, clockextraction bits, and display and control bit fields. These additional bits represent 100 percentoverhead. Determine the output bit rate of the CD recording system.c) The CD can record an hour’s worth of music. Determine...
Answer all parts and show all steps please.
3323 Modern Digital and Analog Communication Question A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz (a) If signal is sampled at the Nyquist rate and the samples are uniformly digitized into L 65,536 levels and then binary-coded, determine the number of bits required to encode a sample (b) If the audio signal has average power of 0.1 W and a...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modulation schemes if No-10-5 and time is 0.5msec i. On-Off keying (ASK), ii. BPSK, iii. BFSK and v. BPSK with a phase error of 5 deg. Consider an audio signal with spectral components limited to the frequency band 300 to 3300 Hz. Assume that the sampling rate of 8000 samples/s will be used to generate a PCM signal. The ratio of peak signal...
Consider an audio signal with spectral components limited to the frequency band 300 to 3300Hz. Assume that a sampling rate of 8000 samples/sec will be used to generate a PCM signal. Assume that the ratio of peak signal power to average quantization noise power to average quantization noise power at the outputs needs to be 30dB What is the minimum number of uniform quantization levels needed, and what is the minimum number of bits per sample needed. Calculate the system...
2. In a digital transmission system is required that the quantization noise does not exceed +/-2% of the peak-to-peak value of the analog signal.If the analog signal bandwidth and allowable transmission bandwidth are each 4000 Hz and sampling take place at Nyquist rate, what value of bandwidth efficiency is needed.
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth be 15 kHz. (a) If the Nyquist samples are uniformly quantized into L 65,5 (b) If the audio signal has average power of 0.1 W and peak voltage of 1 V, find the resulting (c) Determine the number of binary digits per second (bit/s) required to encode the audico (d) For practical reasons discussed in the text, signals are sampled at a rate well...
Please explain part 2 thoroughly. Thanks!
Consider a message signal m(t) with power of 20 mW that is applied to an analog-to-digital converter, with dynamic range of -1 to 1 volt. a) If uniform quantization is utilized, and the minimum signal-to-quantization-noise (SQNR) is 43 dB, determine the minimum number of bits required, and the corresponding SQNR obtained with this quantizer. b) Repeat Part (a) if a u-law compander is used with u-100. c) If the power of the signal m(t)...
part c wasnt answered
Question 2 (25 Marks) Consider the following analog waveform that is to be digitized using PCM The resulting PCM code is to be sent at a bit rate of 240000 bps over a communication medium having an SNR of 15 dB. Also, the sampling rate used is 40000 samples/sec. Answer the following questions: a. What is the number of quantizing levels? b. If the sampling time is doubled: 1. What is the number of bits per...
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