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compute and plot the phase response of hz 1 z-12 6a determine analytically angh ejomega and use the formula obtained
consider a 6-point dit-fft that uses a mixed-radix implementation there are two approachesa in the first approach take
consider the matrix divide-and-conquer approaches in section 82 for n 4a write the four equations in matrix form and
1 describe the basic properties used in development of the qft2 what is the advantage of the qft over the fft3 what is
1 describe advantages of the cta over the fft algorithms2 what is czt and how is it different from the cta3 what is the
1 how does the fftw algorithm implement dft computations2 what is the basic principle used in the development of
1 what is bit-reversed ordering and how is it implemented using a reverse-carry algorithm2 some alternative forms of
1 explain the decimation-in-frequency fft algorithm using the matrix interpretation2 in the algebraic development of
1 which two basic properties of the dft lead to efficient fft algorithms2 how does the divide and conquer strategy
1 explain the computational cost involved in computing an n-point dft using direct computation2 what should be the
let n 3nua derive a radix-3 dit-fft algorithm for this caseb draw the complete flow-chart for n 27c determine the
let the sequence xn be of length l and we wish to compute an n-point dft of xn where l n assume that the first l 2
the goertzel algorithm can be used to detect single tone sinusoidal signals we want to detect single tone signals of
the implementation of cta given in the chapter uses a convolution operation for large values of m and n a fft-based
1 what is a system computational structure and which tasks does it perform2 describe three basic elements and their
1 what is a transposition structure and how is it obtained from a normal structure2 any discrete-time system can be
1 what is a direct form structure of an iir system and how many different forms does it have2 how is the direct form ii
1 it is argued that for a rational system function its cascade form structure is not unique do you agree or disagree
1 for a rational system function the parallel form structure is unique do you agree or disagree explain2 what is the
1 what is a linear-phase fir system and what is its effect on the impulse response2 how many different types of
1 the parallel structure of the frequency-sampling form contains second-order sections with feedback paths this implies
1 given an fir system function how does one obtain all-zero lattice coefficients2 what is the condition on the all-zero
the following numerator and denominator arrays in matlab represent the system function of a discrete-time system in
the frequency-sampling form is developed using 950 which uses complex arithmetica using the symmetry conditions of the
a discrete-time system is described by the following signal flow grapha determine the system function of the systemb