grad_Jakes.m
上传用户:hbrsgg3
上传日期:2022-08-01
资源大小:5k
文件大小:1k
- %--------------------------------------------------------------------
- % grad_Jakes.m ------------------------------------------------------
- %
- % Computation of the analytical gradient of the error function for
- % the optimization of the discrete Doppler frequencies (Jakes PSD).
- %
- % Used m-file: acf_mue.m
- %--------------------------------------------------------------------
- % G=grad_Jakes(x)
- %--------------------------------------------------------------------
- % Explanation of the input parameters:
- %
- % x: parameter vector to be optimized
- function G=grad_Jakes(x)
- f_i_n=x;
- r=acf_mue(f_i_n,c_i_n,tau);
- D=Jo-r;
- F=norm(D,p);
- G=[];
- for k=1:N_i,
- g=F^(1-p)*D.^(p-1)*(2*pi*c_i_n(k)^2*tau.*...
- sin(2*pi*f_i_n(k)*tau)).';
- G=[G;g];
- end