Engineering, 25.03.2021 06:20 leneenmarshall3125
An FM signal XFM = 2500sin[4π × 108t + 5sin(4π × 106t] with a modulation index of 2.5 is passed through a 1 kΩ resistor. Calculate the:
(a) Carrier Frequency
(b) Message Frequency
(c) Signal Power
(d) Bandwidth using the Bessel Table
Answers: 3
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
An FM signal XFM = 2500sin[4π × 108t + 5sin(4π × 106t] with a modulation index of 2.5 is passed thro...
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