## Computer Explorations in Signals and Systems Using MATLAB |

## Computer Explorations in Signals and Systems Using MATLAB |

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Advanced Problems amplitude modulation appropriately labeled plot approximation assume bandlimited bandwidth Basic Problems Butterworth filter calculate causal LTI system complex exponential Consider continuous-time Fourier transform continuous-time signals conv convolution corresponding CTFT cutoff frequency Define difference equation differential equation discrete-time filter discrete-time signal downsampled DTFS coefficients DTFT Euler approximation exercise eye diagram ezplot f f t f reqs feedback Figure finite-length Fourier series Fourier series coefficients frequency response magnitude frequency samples fundamental period given Hilbert transform imaginary implement impulse response input and output integer Intermediate Problems interpolation interval lowpass filter lsim LTI system M-file magnitude and phase MATLAB MATLAB vectors message signal noncausal nonzero partial fraction expansion Plot the magnitude pole-zero plot poles and zeros pulse quantized represent sampling rate sequence signal x(t signal x[n signals and systems simulate sinusoidal specified speech signal step response store the result symbolic expression system function values vector verify