Problem 3 (15 Pts.) Provide a precise definition for each of the following digital modulations methodes. Using two
cycles per bit, draw for the bit sequence 101011 for each modulation technique. Also explain
their bandwidth requirements.
a) Amplitude Shift Keying
b) Frequency Shift Keying
c) Binary Phase Shift Keying

Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.