Engineering, 12.03.2021 23:20 krystalhurst97
An angle modulated signal with a sinusoidal carrier 100 cos 2x fet and a sinusoidal
message with frequency |--20 Hz, knowing that -0.7
a) Draw the single sided spectrum
b) Determine the modulated signal bandwidth.
c) Determine the 70% and 90% bandwidth and transmitted power.
Answers: 1
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If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
An angle modulated signal with a sinusoidal carrier 100 cos 2x fet and a sinusoidal
message with fr...
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