Path: Link/RF
% Noise temperature of the sun. Uses the formula t = a f^(-0.75) where a is adjusted to agree with p. 354 of the reference and the noise maximums and minimus are limited according to the plot on p. 253. The numbers generated by this routine are approximate and even the reference is inconsistent with its numbers. Strictly speaking, the formula is only valid for K-band and a = 120000 -------------------------------------------------------------------------- Form: [dT, t] = TSun( f, thetaE, hasPolarizer ) -------------------------------------------------------------------------- ------ Inputs ------ f (1,:) Frequency (GHz) thetaE (1,1) Aperture (deg) polarizer (1,1) 1 if has polarizer ------- Outputs ------- dT (1,:) Change in ambient temperature (deg-K) t (1,:) Sun noise temperature (deg-K) -------------------------------------------------------------------------- References: Maral, G. and M. Bousquet. (1998.) Satellite Communications Systems. Wiley. pp. 352-353. --------------------------------------------------------------------------
Common: Graphics/Plot2D
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