Engineering, 01.07.2021 15:50 pantojaiv90

The message signal m(t) = 2cos 400t + 4sin(500t + Ï/3) modulates the carrier signal c(t) = Acos (8000Ï t), using DSB SC amplitude modulation. Find the time-domain and frequency-domain representations of the modulated signal and plot the spectrum of the modulated signal. What is the power content of the modulated signal?

Answers: 1

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, sarahgrindstaff123

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

Answers: 2

continue

Engineering, 04.07.2019 18:20, krojas015

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

continue

Engineering, 04.07.2019 18:20, maustin5323

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]

Answers: 1

continue

Engineering, 04.07.2019 18:20, samantha636

Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k

Answers: 2

continue

You know the right answer?

The message signal m(t) = 2cos 400t + 4sin(500t + Ï/3) modulates the carrier signal c(t) = Acos (800...