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Given an analog signal
x(t) = 10 cos(11000 pi t) + 5 sin(15000 pi t) , for t>=0
sampled at a rate of 8000 Hz.
a. Sketch the spectrum of the original signal and the sampled signal from 0 kHz and 25 kHz.
b. Sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal.
c. Determine the frequency/frequencies of aliasing noise.
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4×10?11 S/mile, resistance (R) is 0.1 ?/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile 220 kV, 220 MVA with power factor
Research coal deposits in the USA and US coal mine production. Approximately, what was the US annual production of coal from mines in recent years What was the coal production of the Appalachian or Eastern province
A lamp of 100 candela is placed 1 m below a plane mirror which reflects 90% of light falling on it. The lamp is hung 4 m above ground. Find the illumination.
The amplifier is connected to the handset antenna which has an impedance of 35 + j10 at one unspecified operating frequency. Find the inductive reactance and capacitive reactance needed to match the transmitter output to the antenna
Tune PI Parameters, Question: Given are the facts that Gc and Gp(s) are in series and Gp(s) = (K * Km) / [s[(Ls+R)(Js+b) + K^2m)]].
Assume you buy a 1 kOhm resistor with +/- 20% tolerance in its value. You would like this resistor to consume at most 2 W of power, otherwise it might burn. What is the highest power supply in V you would use to power it
A three 120 - V power line is Y-connected. The three phase outputs are marked as a,b,c. The neutral is marked as n. The phase sequence is abc. It is connected to a balanced Y- connected load, with the impedance is 12 + j 9 omega.
1.A liquid has an enthalpy of vaporization of 30.8 kJ/mol. At 275 K it has a vapor pressure of 117 mmHg. What is the normal boiling point of this liquid 2. In a certain mountain range, water boils at 94°C. What is the atmospheric pressure under the..
calculate the resistor's resistance. If the bandwidth were cut to 25 kHz, determine the expected output meter reading.
In the presentation, the presenter, Mr. Rob Tucker discussed three types of disturbance mitigation responses or measures. List the three mitigation types and give a short definition of each of the mitigation type.
A state government is considering construction of a flood control dike having a life span of 15 years. History indicates that a flood occurs every 5 years, on average, and causes $600,000 in damages on each occasion.
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Come up with (draw) a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
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