LECTURE Evaluation from direct convolution sum: While small length, finite duration sequences can be convolved by any of the above three methods, when the sequences to be convolved are of infinite length, the convolution is easier performed by direct use of the sum‟ of equation (…). „convolution A system has impulse response exp(0.8n)u[n] . Obtain the unit step Example: h[n] response. Solution:
LECTURE Evaluation from direct convolution sum: While small length, finite duration sequences can be convolved by any of the above three methods, when the sequences to be convolved are of infinite length, the convolution is easier performed by direct use of the „convolution sum‟ of equation (…). Example: A system has impulse response h[n] exp(0.8n)u[n] . Obtain the unit step response. Solution: