Noise

Formula to calculate/generate gaussian noise?

Formula to calculate/generate gaussian noise?
  1. How is Gaussian noise calculated?
  2. How to generate Gaussian noise in Matlab?

How is Gaussian noise calculated?

The random process X(t) is called a white Gaussian noise process if X(t) is a stationary Gaussian random process with zero mean, μX=0, and flat power spectral density, SX(f)=N02, for all f. This again confirms that white noise has infinite power, E[X(t)2]=RX(0).

How to generate Gaussian noise in Matlab?

noise = wgn( m , n , power ) generates an m -by- n matrix of white Gaussian noise samples in volts. power specifies the power of noise in dBW. noise = wgn( m , n , power , imp ) specifies the load impedance in ohms.

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