www.gusucode.com > COST231_hata模型信道仿真matlab编程源码程序 > COST231_hata模型信道仿真matlab编程源码程序/code/wireless_COST231_hata_attenuationMain.m
clc; clear all; d=1:0.1:20; y=wireless_COST231_hata_attenuation(1,1800,1.5,40,d); y1=wireless_COST231_hata_attenuation(3,1800,1.5,40,d); y2=wireless_COST231_hata_attenuation(4,1800,1.5,100,d); y3=wireless_COST231_hata_attenuation(5,1800,1.5,100,d); plot(d,y,'-r',d,y1,d,y2,'-.',d,y3,'--c'); xlabel('距离(km)'); ylabel('损耗(dB)'); title('COST231-Hata模型损耗'); legend('中小城市f=1800MHz,Hm=1.5m,Hb=40m','大城市f=1800MHz,Hm=1.5m,Hb=40m','郊区f=1800MHz,Hm=1.5m,Hb=100m','农村f=1800MHz,Hm=1.5m,Hb=100m')