% Smart Antennas example 6.9

ft=0:.01:1.5;
Hc=.2+.3*exp(-1j*2*pi*ft);
Heq=1./Hc;
figure;
plot(ft,10*log10(abs(Hc)),'k',ft,10*log10(abs(Heq)),'k:')
xlabel('f\tau')
ylabel('|H_c(f\tau)|,    |H_e_q(f\tau)|  (dB)')