Magnitude spectrum

The Magnitude Spectrum of a signal describes a signal using frequency and amplitude. That is frequency components of a periodic signal are plotted using Frequency Domain - frequencies plotted in X-axis and amplitude plotted in Y-axis.

1. How do you find the magnitude of a spectrum?
2. What do you mean by phase spectrum and magnitude spectrum?
3. What is an amplitude spectrum?
4. How do you find the magnitude and phase spectrum of a signal?

How do you find the magnitude of a spectrum?

The rectangular window is the signal y(t) = u(t + 1) − u(t − 1). Use MATLAB to compute the magnitude spectrum of x(t) and y(t) and indicate which is the smoother of the two by considering the presence of high frequencies as an indication of roughness.

What do you mean by phase spectrum and magnitude spectrum?

The magnitude spectrum tells you how strong are the harmonics in the signal. and. The phase spectrum tells where this harmonic lies in time domain for 1 D signal (and in space domain in case of multidimensional)

What is an amplitude spectrum?

amplitude spectrum specifies the amplitude of signal components as a function of component. frequency. The phase spectrum specifies the phase of signal components as a function of. component frequency. This phase is measured with respect to a cosine reference.

How do you find the magnitude and phase spectrum of a signal?

The magnitude and phase spectra are calculated from the complex output Xf using abs(Xf) and angle(Xf), respectively (see Example 3.3). Again, the angle routine gives phase in radians so as to convert to the more commonly used degrees scale by 360/(2π).