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A information wave m(t) is transmitted using a 4-bit binary PCM system. A uniform quantizer...
(5) A PCM system encodes samples using an 8-bit ADC. In the case of peak signal...
(5) A PCM system encodes samples using an 8-bit ADC. In the case of peak signal amplitude, estimate the signal to quantization noise ratio in dB (6) The output SQNR of a 10-bit PCM was found to be insufficient at 30 dB. To achieve the desired SQNR of 42 dB, an increase to the number of quantization levels was needed. Determine the fractional increase in the transmission bandwidth required. (7) A signal x(t) band-limited to 3kHz is sampled at a...
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...
A TV signal with a bandwidth of 6 MHz is transmitted using PCM. The number of...
A TV signal with a bandwidth of 6 MHz is transmitted using PCM. The number of levels in the quantizer is 4096. Assume the sampling more than the Nyquist rate. Determine the bit rate (i.e., the number of bits per secondl required to transmit the binary PCM information rate is 20%
Pulse Coded Modulation (PCM)
A TV signal (Audio and Video) has bandwidth of 4.5 MHz. The signal is sampled,quantized and binary-coded to obtain PCM signal.(a) Determine the sampling rate if the signal is to be sampled at a rate 20% above the Nyquist rate.(b) If the sample are quantized into 1024 levels, determine the number of binary pulse required to encode each sample.(c) Determine the binary pulse rate (bit per second) of the binary-coded signal and minimum bandwidth required to transmit this signal
A video signal has bandwidth of 4 MHz. This signal is sampled, quantized, and binary encoded...
A video signal has bandwidth of 4 MHz. This signal is sampled, quantized, and binary encoded using the PCM technique. The video signal amplitude is uniformly distributed in the range (-2, 2). If the signal is sampled at the Nyquist rate and quantized into 512 levels: (a) Determine the bit rate. (b) Determine the signal-to-quantization-noise ratio. (©) If the signal-to-quantization-noise ratio must be increased by a factor of 16, how you can achieve that? Will this affect the bit rate?...
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...
Problem 3: A PCM system uses a uniform quantizer followed by a 6-bit encoder. The bit...
Problem 3: A PCM system uses a uniform quantizer followed by a 6-bit encoder. The bit rate of the system is 50Mbps. (a) Identify the message bandwidth for which the system operates satisfactorily (b) Determine the output SNR when a sinusoidal input signal of 1MHz frequency is applied.
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...
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...
b) A signals, m(t), is band-limited to 5 KHz, and , is band-limited to 5 KHz,...
b) A signals, m(t), is band-limited to 5 KHz, and , is band-limited to 5 KHz, and three other signals, m(t), m(t) and mu(t), have a bandwidth of 2.2 KHz. These signals are to be transmitted by means of multiplexing (TDM). nals are to be transmitted by means of time-division Set up a TDM scheme for accomplishing this multiplexing requirement, with each signal sampled at or above its Nyquist rate. If the commutator output is quantized with L=512 levels and...
(5) A PCM system encodes samples using an 8-bit ADC. In the case of peak signal amplitude, estimate the signal to quantization noise ratio in dB (6) The output SQNR of a 10-bit PCM was found to be insufficient at 30 dB. To achieve the desired SQNR of 42 dB, an increase to the number of quantization levels was needed. Determine the fractional increase in the transmission bandwidth required. (7) A signal x(t) band-limited to 3kHz is sampled at a...
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...
A TV signal with a bandwidth of 6 MHz is transmitted using PCM. The number of levels in the quantizer is 4096. Assume the sampling more than the Nyquist rate. Determine the bit rate (i.e., the number of bits per secondl required to transmit the binary PCM information rate is 20%
A video signal has bandwidth of 4 MHz. This signal is sampled, quantized, and binary encoded using the PCM technique. The video signal amplitude is uniformly distributed in the range (-2, 2). If the signal is sampled at the Nyquist rate and quantized into 512 levels: (a) Determine the bit rate. (b) Determine the signal-to-quantization-noise ratio. (©) If the signal-to-quantization-noise ratio must be increased by a factor of 16, how you can achieve that? Will this affect the bit rate?...
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...
Problem 3: A PCM system uses a uniform quantizer followed by a 6-bit encoder. The bit rate of the system is 50Mbps. (a) Identify the message bandwidth for which the system operates satisfactorily (b) Determine the output SNR when a sinusoidal input signal of 1MHz frequency is applied.
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...
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...
b) A signals, m(t), is band-limited to 5 KHz, and , is band-limited to 5 KHz, and three other signals, m(t), m(t) and mu(t), have a bandwidth of 2.2 KHz. These signals are to be transmitted by means of multiplexing (TDM). nals are to be transmitted by means of time-division Set up a TDM scheme for accomplishing this multiplexing requirement, with each signal sampled at or above its Nyquist rate. If the commutator output is quantized with L=512 levels and...
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