www.gusucode.com > 自由空间损耗信道仿真matlab源码程序 > 自由空间损耗信道仿真matlab源码程序/code/wireless_free_space_attenuation.m

    function y=wireless_free_space_attenuation(d,f)
y=32.4+20*log(d)/log(10)+20*log(f)/log(10);