% AMSU_CHANNELS Returns information about the AMSU A and B channels % % The functio describes the main properties of the AMSU A and B % channels. % % The bands of each channel are centered at v0 +- dv1 +- dv2, % and each band has the width *bwidth*. % % FORMAT [v0,nbands,dv1,dv2,bwidth,nedt] = amsu_channels( channelnrs ) % % OUT v0 Centre frequency of channels % nbands Number of bands for the channels (1, 2 or 4) % dv1 First order band seperation % dv2 Second order band seperation % nedt Std dev for thermal noise [K] % IN channelnrs Vector with channel numbers % 2003-10-01 Created by Patrick Eriksson function [v0,nbands,dv1,dv2,bwidth,nedt] = amsu_channels( channelnrs ) A = [ 23800 0 0 1 270 0.30 ; ... 31400 0 0 1 180 0.30 ; ... 50300 0 0 1 180 0.40 ; ... 52800 0 0 1 400 0.25 ; ... 53596 115 0 2 170 0.25 ; ... 54400 0 0 1 400 0.25 ; ... 54940 0 0 1 400 0.25 ; ... 55500 0 0 1 330 0.25 ; ... 57290.344 0 0 1 330 0.25 ; ... 57290.344 217 0 2 78 0.40 ; ... 57290.344 322.2 48 4 36 0.40 ; ... 57290.344 322.2 22 4 16 0.60 ; ... 57290.344 322.2 10 4 8 0.80 ; ... 57290.344 322.2 4.5 4 3 1.20 ; ... 89000 0 0 1 6000 0.50 ; ... 89000 900 0 2 1000 0.37 ; ... 150000 900 0 2 1000 0.84 ; ... 183310 1000 0 2 500 1.06 ; ... 183310 3000 0 2 1000 0.70 ; ... 183310 7000 0 2 2000 0.60 ; ... ]; v0 = A( channelnrs, 1 ) * 1e6; nbands = A( channelnrs, 4 ); dv1 = A( channelnrs, 2 ) * 1e6; dv2 = A( channelnrs, 3 ) * 1e6; bwidth = A( channelnrs, 5 ) * 1e6; nedt = A( channelnrs, 6 );