Calculate SQNR when a sinusoidal signal of amplitude mp is subjected to quantization noise (Use uniform...
Calculate SQNR when a sinusoidal signal of amplitude mp is subjected to quantization noise (Use uniform quantizer)
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Calculate SQNR when a sinusoidal signal of amplitude mp is
subjected to quantization noise (Use uniform...
A sinusoidal signal g(t), with an amplitude of 3.25 volts, is sampled at 100 samples each period,...
A sinusoidal signal g(t), with an amplitude of 3.25 volts, is sampled at 100 samples each period, then applied to a uniform midtread quantizer whose output takes on the values 0,±1, ±2, ±3 volts. What is the quantization daracteristic u = g(m)? 1. Use Matlab to: (1) plot the analog signal: (2) plot the resulting sampled signal: (3) plot the resulting quantizer output signal for one complete cycle of the analog signal 2. Repeat this evaluation for the case when...
Exercise 6: Consider an audio signal with an amplitude that ranges over the interval [-10,10] and...
Communication systems theory:
Exercise 6: Consider an audio signal with an amplitude that ranges over the interval [-10,10] and with spectral components limited to the frequency band of 300 Hz to 3300 Hz. The signal is sampled at a rate of 8000 samples/second and used to generate a PCM signal. The signal-to-quantization- noise ratio (SQNR) is required to be maintained at 43.9 dB a) What is the minimum number of uniform quantization levels needed, and what is the minimum number...
Quantization. A continuous time signal is to be sampled at a sampling rate 8kHz. It is...
Quantization. A continuous time signal is to be sampled at a sampling rate 8kHz. It is a voltage signal that varies between 10 and -10 V. We would like the quantization noise variance to be no more than 0.09. a) Design an efficient uniform quantizer that satisfies the quantization noise variance condition. For this tell me the step size, whether it is a mid-tread or mid-riser quantizer. Tell me how many levels your quantizer has. (6 marks) b) The quantized...
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)...
A sinusoidal signal of amplitude 1 V and frequency of 1 MHz is measured by means...
A sinusoidal signal of amplitude 1 V and frequency of 1 MHz is measured by means of a direct measurement frequency meter that uses a measurement time Tg = 0.1 s. What is the quantization uncertainty?
Write a program on Lab View for generating a sinusoidal signal (frequency = 1kHz, amplitude =...
Write a program on Lab View for generating a sinusoidal signal (frequency = 1kHz, amplitude = 5V) with waveform graph display. Use a while loop.(BLOCK DIAGRAM REQUIRED)
1. A sinusoidal current signal has amplitude of 10 amp and frequency of 60 Hz and...
1. A sinusoidal current signal has amplitude of 10 amp and frequency of 60 Hz and phase angle of 0. (a) Express the current in mathematical form. (b) When it passes through an electric circuit, the voltage signal gets an amplitude of 20 volt and a phase delay of 45. Write the voltage signal. (c) Draw both the voltage and current signals on the same graph. 2. Let a signal be defined as y(x) = (1 – x)2. Determine the...
6.5A sinusoidal signal is transmitted over a noisy transmission link to a remote correlator acting as...
6.5A sinusoidal signal is transmitted over a noisy transmission link to a remote correlator acting as a receiver. Figure Prob. 5 shows a typical autocorrelation function. Use the figure to estimate the following quantitics: (a) Signal power (b) Noise power (c) Signal-to-noise ratio in decibels (d) Signal amplitude (e) Signal frequency (f) Noise standard deviation (assume zero mean) Hint: use eqns (6.27) and [6.33 124 SIGNALS AND NOISE IN MEASUREMENT SYSTEMS Figure Prob. 5. 12 10 Time delay β ms...
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...
Create a sinusoidal signal V(in) with the following parameters – VOFF = 10 + 2V, AMPLITUDE...
Create a sinusoidal signal V(in) with the following parameters – VOFF = 10 + 2V, AMPLITUDE = 3V, FREQUENCY= 500 Hz. Design a level shifting circuit such that the lower peak of V(in) is shifted to 5V, and the higher peak of V(in) is shifted to 0. Show by means of PSPICE Time Response simulation that your circuit really works. [Continue to use the two 9V batteries]. Make sure to explain every step in your design.
A sinusoidal signal g(t), with an amplitude of 3.25 volts, is sampled at 100 samples each period, then applied to a uniform midtread quantizer whose output takes on the values 0,±1, ±2, ±3 volts. What is the quantization daracteristic u = g(m)? 1. Use Matlab to: (1) plot the analog signal: (2) plot the resulting sampled signal: (3) plot the resulting quantizer output signal for one complete cycle of the analog signal 2. Repeat this evaluation for the case when...
Communication systems theory:
Exercise 6: Consider an audio signal with an amplitude that ranges over the interval [-10,10] and with spectral components limited to the frequency band of 300 Hz to 3300 Hz. The signal is sampled at a rate of 8000 samples/second and used to generate a PCM signal. The signal-to-quantization- noise ratio (SQNR) is required to be maintained at 43.9 dB a) What is the minimum number of uniform quantization levels needed, and what is the minimum number...
Quantization. A continuous time signal is to be sampled at a sampling rate 8kHz. It is a voltage signal that varies between 10 and -10 V. We would like the quantization noise variance to be no more than 0.09. a) Design an efficient uniform quantizer that satisfies the quantization noise variance condition. For this tell me the step size, whether it is a mid-tread or mid-riser quantizer. Tell me how many levels your quantizer has. (6 marks) b) The quantized...
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)...
6.5A sinusoidal signal is transmitted over a noisy transmission link to a remote correlator acting as a receiver. Figure Prob. 5 shows a typical autocorrelation function. Use the figure to estimate the following quantitics: (a) Signal power (b) Noise power (c) Signal-to-noise ratio in decibels (d) Signal amplitude (e) Signal frequency (f) Noise standard deviation (assume zero mean) Hint: use eqns (6.27) and [6.33 124 SIGNALS AND NOISE IN MEASUREMENT SYSTEMS Figure Prob. 5. 12 10 Time delay β ms...
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...
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