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The power spectral density of a WSS information source is shown below (the unit of power spectral density is W/Hz). The maximum amplitude of this signal is 200.
1. What is the power in this process?
2. Assume that-this signal is transmitted using a uniform PCM system with 512 quantization levels, what is the resulting SQNR in decibels and what is the minimum required transmission bandwidth if in sampling the signal a guard band of 1 kHz is used?
3. If the available transmission bandwidth is 47 kHz, design a PCM system that achieves the highest possible SQNR and utilizes the maximum guard band.
Give a brief explanation of the concept of a priority encoder. Using this, what would be the binary output for a 10-input priority encoder when inputs 7 and 5 are activated What is the binary output (active-high) Active-low
A 3-phase squirrel cage motor has maximum torque equal to twicefull load torque. r2 =0.3 ohms and x2 =3ohms. Determine the ratio of starting torque to full loadtorque, if it is started by (a) Direct on line starter(b) star delta starter
consider two groups are students, where the first group has 7 women and 3 men and the second group has 5 women and 5 men. Agroup is selected randomly and then students in the selected group are randomly arranged.
Power Electronics - Diode, [Power electronics] The measured values of a diode at a temperature of 25 Degrees Celsius are: Vd=1V at Id=50A, Vd=1.5V at Id=600A. Determine (i) the emission coefficient n, and (ii) the leakage current.
A pressure sensor covers a range of 0-500 psi with 2.5 mV/psi. The sensor is input to an ADC with a voltage range of 0 to 5 V. What is the value of the feedback resistor required for a non-inverting amplifier circuit required to interface the sens..
The shunt capacitance is 0.0112 m F per km. The receiving end load is 270 MVA with 0.8 power factor lagging at 325 kV. Use the medium line model to find the voltage and power at the sending end and the voltage regulation.
find the shortest length L of the line open-circuited at its load end so that the input impedance of the line at frequency f = 5GHz is the same as the impedance of a capacitor of capacitance C=10pf of the same frequency.
Why are information policy, data administration, and data quality assurance essential for managing the firm's data resources?
If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor
A three-phase, 2300-V, 60-Hz, cylindrical-rotor synchronous motor has a synchronous reactance of 10 ohms per phase and negligible armature resistance. The motor delivers 250 hp at a power angle of 20 electrical degrees, and the efficiency is 90%
Write an expression for the PDF for this measurement set, assuming that the distribution is uniformily distributed.
find the overall G/T for the micro strip array antenna and the LNB if the array has a total loss of 2.5 dB. Assume the antenna is at a physical temperature of 290 K.
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