sefade.m ( File view )

  • By lishan_wh 2013-09-27
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  • Download(s):4
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			% ************************beginning of file*****************************
% sefade.m 
% 
% 此函数用于实现信道的频率选择性衰落设计
%  

 
function[iout,qout,ramp,rcos,rsin]=sefade(idata,qdata,itau,dlvl,th,n0,itn,n1,nsamp,tstp,fd,flat) 
 
%+++++++++++++++++++++++variables++++++++++++++++++++++++++++ 
% idata     输入的实部数据     
% qdata     输入的虚部数据      
% iout      输出的实部数据
% qout      输出的虚部数据 
% ramp      幅度衰减 
% rcos      正交分量衰减
% rsin      同相分量衰减 
% itau      各径时延
% dlvl      各多径衰减量
% th        各多径初始相位 
% n0        用于产生各径衰落的波数 
% itn       各多径衰减计数 
% n1        主径和各延迟波形总数 
% nsamp     符号数  
% tstp      最小时间分辨率  
% fd        最大多普勒频移
% flat      是否是平坦衰落 
% (1->flat (只有幅度衰落),0->nomal(相位和幅度都衰落)     
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
 
iout = zeros(1,nsamp); 
qout = zeros(1,
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sefade.m (29.14 kB)

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