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1. Based on the maximum-likelihood principle, develop and sketch a phase synchronization procedure for a binary OOK waveform.
2. A given digital communication system has a sync procedure that can track phase noise θ (t) to within an error signal θe(t). Model the error signal as band limited gaussian noise. Explain how, if the phase noise in the received signal is removed by eliminating its cause, the sync procedure can be used to increase the data rate. Does this imply that a waveform of maximum data rate for an additive noise channel cannot be self-synchronized? Repeat the argument for symbol synchronization.
Disregarding the weight of the beam, calculate the required width b of the rectangular cross section.
Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when θ= 25° and P = 150 lb
a large 600-m-long 100-m-diameter cigar-shaped dirigible is planned for cruises for retired engineers. as a first
An electric motor is connected to a 12-V battery. The electric current to the motor is 3 A. 90 % of the electric energy from the battery is converted into mechanical work to mix an ideal gas in an adiabatic cylinder.
a dam spillway is tested with a 130th scale model matching the froude number. the flow over the dam has an average
a heated vertical wall 1.0 ft high of an oven for baking food with the surface at 450 f is in contact with air at 100
If it is desired to triple the rate of heat transfer from the bare hot surface, determine the number of fins that needs to be attached.
an engine operates on an air-standard brayton cycle with reheat. the work required to compress the air in one stage
Find the shortest possible period of revolution of two identical gravitating solid spheres that are in circular orbit in free space about a point midway between them. The spheres are made of platinum, density 21.5 g/cm3.
Also draw at least two views of Rag foundation bolt. Take D=20mm
The 95% confidence interval associated with the corrected counting rate.
the yield strength of mild steel with an average grain size of 0.05 mm is 20000 psi. the yield strength of the same
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