cp0703_generate_mask.m

FCCUWB

function [emissionmask]=cp0703_generate_mask(N,fs)
     df=fs/N;
     emissionmask=zeros(N/2);
     n1=round(0.96e9/df);
     n2=round(1.61e9/df);
     n3=round(1.99e9/df);
     n4=round(3.1e9/df);
     n5=round(10.6e9/df);
     a(1:n1)=-41.3;
     b(1:(n2-n1))=-75.3;
     c(1:(n3-n2))=-53.3;
     d(1:(n4-n3))=-51.3;
     e(1:(n5-n4))=-41.3;
     f(1:(N/2-n5))=-51.3;
     emissionmask=[a b c d e f];
     positivefrequency=linspace(0,fs/2,N/2);
     semilogx(positivefrequency,emissionmask);
     axis([8e8 20e9 -78 -40]);