%多頻率點陣列流形形成函數

function s=steerMultiFre(Nsensor,d,theta,f0,Subband)

% ------------------------------------------------------------------------------------
% create steer vector of narrow-band signal
% equal-spaced linear array
% ------------------------------------------------------------------------------------
%      Nsensor = the number of sensor element
%      d       = the normalized element distance by wavelength
%      theta   = the spatial angle 
%      f0      =
%      subband =選取的各個頻率點行矢量
% ------------------------------------------------------------------------------------

% if ((size(theta,1)==1)&(size(theta,2)>1))
%    thita=thita';
% end

Psensor=(0:1:Nsensor-1)'*d;%列矢量
s=exp(-j*2*pi*Psensor*Subband/f0*sin(theta*pi/180));