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1. When is it meaningful to attribute a group velocity to a signal comprised of more than two frequencies? Why?
2. Discuss the propagation of a narrow-band amplitude modulated signal in a dispersive channel.
3. Discuss the nomenclature associated with the modes of propagation in a rectangular waveguide.
Write a 500 - 550 word essay on why the use of transformers is paramount for electrical power distribution. Address all aspects of electrical power distribution, including production and consumption.
A three-stage amplifier is shown. The operating bandwidth is 500 KHz at a temperature od 25 degrees C. The output load is 1000 ohms. calculate the total NF as a number, calculate the output noise power, and calculate the output noise voltage.
Can the LTI system with impulse response h[n] be bounded input, bounded output stable? If so, determine inequality constraints on rmin and rmax such that it is stable. If not, briefly explain why.
A thermocouple is installed in the exhaust of an incineratorused to deodorize fumes from a corn chip fryer. The electronic instrumentation isdesigned to employ type K thermocouples and the temperature is inthe range of 600oC.
If I go swimming, then I will stay in the sun too long. If I stay in the sun too long, then I will sunburn. Therefore, if I go swimming, then I will sunburn.
Why Motor rated in kW/Horsepower instead of kVA
Find the Thevenin equivalent circuit when you view the system from Bus i and Bus j. Assume that at normal operating condition the voltage phasors of Bus i and Bus j are given: V-i and V-j. Also assume the system's Ybus matrix is known
(a) if there is no current in the loop, what is the magnetic flux through the coil (b) When the current in the coil is 3.8 A in certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil.
a. Draw the block diagram for a coherent receiver for QPSK using the same basis signals as in problems ("What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of th..
even if we have plenty of land available to develop onshore wind resources are there still advantages to building
For an amplifier operating with 1-4 V saturation limits at a closed-loop gain of -100 VN, what input offset voltage is required to assure less than 1% reduction in output swing capability due to offset?
The electron beam in a certain cathode ray tube possesses cylindrical symmetry, and the charge density is represented by:ρv= -0.1 / (ρ2 + 10-8) pC/m3 for 0
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