... transform of the imaginary odd function is real and odd.Let and refer to real and imaginary, and to even and odd, and lower-case and upper-case letters to time and frequency functions. A summary of the ... real and imaginary parts are plotted on the - and -axes, and time runs down the axis of thescrew. The complex conjugate of this signal reverses the -axis and gives the screw anopposite handedness. ... Gaussian, and the spectrumis also a Gaussian.random Random numbers have an autocorrelation that is an impulse surrounded by someshort grass. The spectrum is positive random numbers.smoothed random...