Introduction - If you have any usage issues, please Google them yourself
% input parameter:
% R (N-1 x 1): TDOA measurement value
% Pbs (N * 2): the coordinates of the base station, the first row is X, the second is Y, and the reference base station coordinates are located in the first row.
% output parameters:
% POS_ref (2X1): the result of the first WLS estimation is the final result of the decision as a reference.
% POS1 (2X1): location result 1
% POS2 (2X1): location result 2
% POS3 (2X1): location result 3
% POS4 (2X1): location result 4