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Does the carrier frequency of a system have an impact on small scale fading and shadowing. when moving over a distance x,will variations in received signal power be greater for low frequencies or high freq and why.
A 460-V, three-phase,60-Hz system supplies power to a 10-kVA, delta-connected resistor load; a 50-kVA, 0.86 power factor induction motor, and a wye-connected synchronous motor that is operating at 0.62 power factor leading
a salient pole 60 Hz synchronous motor with a squirrel cage winding on the rotor which is used for starting purposes. (a) What is the frequency of the current in the squirrel cage rotor conductors immediately after the motor is energized (The motor..
The intensity of solar radiation is 1366.1 W/m2 in space. This light strikes a 10 m2 solar panel of a satellite. Assuming that all the light is absorbed, how much force (momentum per second) is transferred
a full wave center-tapped transformer rectifier in a power supply provides an average dc output voltage of 14 v on which a maximumripple of +,-0.5 volt is allowed.Diodes have a 0.7 volt drop when conducting.
suppose you want to move a database from its current location to a new location and computer that is three hours
an induction motor when connected in delta and started direct on line produces a starting torque of 60Nm and consumes 80A. if the same motor is started using the soft start equipment with the voltage set at 0.8 of the line
(a) optimally combine the present radar system with a new radar system that has a measurement variance of 6; or, (b) optimally combine the present radar system with two new radar systems that both have the same perormance as the original system.
Explain how energy efficiency can be traded off for bandwidth efficiency by multilevel modulation schemes. Rank the following modulation schemes: 64-ary PSK, Binary FSK, QPSK in terms of bandwidth efficiency and energy efficiency.
We wish to implement the Johnson counter as a Moore machine using three (3) D flip-flops. Give the simplified excitation equations for each of the flip-flops, and draw the circuit. There is no input in this system, as the counter advances on every..
you want to send music to the dorms with 15 khz of am modulation frequency on a carrier of 1090 khz.if the carrier
a) What current flows in each in each diode b) What is the small signal resistance of each diode, and the equivalent resistance of all ten diodes in combination c) What is the incremental resistance of a single diode conducting 100mA
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