fig6_5.m
上传用户:szahd2008
上传日期:2020-09-25
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- % Use this program to reproduce Fig. 6.5 of tetxt
- close all
- clear all
- eps = 0.0001;
- taup = 1.;
- b = 5.;
- up_down = 1.;
- x = lfm_ambg(taup, b, up_down);
- taux = -1.1*taup:.035:1.1*taup;
- fdy = -1.5*b:.035:1.5*b;
- figure(1)
- mesh(taux,fdy,sqrt(x))
- xlabel ('Delay - seconds')
- ylabel ('Doppler - Hz')
- zlabel ('Uncertainty function')
- axis tight
- figure(2)
- contour(taux,fdy,sqrt(x))
- xlabel ('Delay - seconds')
- ylabel ('Doppler - Hz')
- grid
- axis tight
- figure(3)
- mesh(taux,fdy,x)
- xlabel ('Delay - seconds')
- ylabel ('Doppler - Hz')
- zlabel ('Ambiguity function')
- axis tight
- figure(4)
- contour(taux,fdy,x)
- xlabel ('Delay - seconds')
- ylabel ('Doppler - Hz')
- grid
- axis tight