Which is a typical application of digital signal processing?
Which type of programming is typically used for digital signal processors?
What do we call the manipulation of an analog signal in a digital domain?
How are unwanted frequencies removed prior to digital conversion?
Which of the following best defines Nyquist frequency?
What is the result of taking more samples during the quantization process?
The discrete-time signal x(n) = (-1)n is periodic with fundamental period
The frequency of a continuous time signal x(t) changes on transformation from x(t) to x(at), a>0 by a factor
The unit impulse response of a linear time invariant system is the unit step function u(t). For t > 0, the response of the system to an excitation , , will be
The z-transform of the function has the following region of convergence
A given system is characterized by the differential equation:
The system is
The system characterized by the equation is
The impulse response of a system is . The condition for the system to BIBO stable is
The continuous time system described by is
Which of the following is true for the system represented by
To obtain from the given signal the following precedence (or priority) rule is used for operations on the independent variable
Convolution is used to find:
If a signal f(t) has energy E, the energy of signal f(2t)is equal to
The odd part of the signal is
If x(n) and X(k) are an N-point DFT pair, then X(k+N)=?
If X1(k) and X2(k) are the N-point DFTs of X1(n) and x2(n) respectively, then what is the N-point DFT of x(n)=ax1(n)+bx2(n)?
If x(n)=Aejωn is the input of an LTI system and h(n) is the response of the system, then what is the output y(n) of the system?
What is the magnitude of H(ω) for the three point moving average system whose output is given by y(n)=13[x(n+1)+x(n)+x(n−1)]?
What is the process of converting a signal from a given rate to a different rate?
What is the process of reducing the sampling rate by a factor D?