Digital Signal Processing Questions & Answers

Digital Signal Processing Questions & Answers accumulator system - CORRECT ANSWER - if not specified we shall assume that the face function is restricted to the following range of values called Causality - CORRECT ANSWER - it is a system that if the output at n depends only on the input at n and earlier inputs Convolution sum - CORRECT ANSWER - gives the output of a discrete system same as continuous system discrete time impulse - CORRECT ANSWER - it plays the same role for discrete time signals as the direct delta function does for continuous time signals discrete time signal - CORRECT ANSWER - it is represented as a sequence of numbers discrete time signals - CORRECT ANSWER - are often obtained by sampling continuous time signals discrete time system - CORRECT ANSWER - it is defined as a transformation or mapping operator that maps an input signal x to an output signal y discrete-time fourier transform - CORRECT ANSWER - it is a fourier transform that operates on a periodic discrete signals exponential sequences - CORRECT ANSWER - these are important for analyzing and representing discrete time systems high voltage gain high input impedance low output impedance - CORRECT ANSWER - An op-amp has very ________.