S2.LS Method o The basic set-up of the filter o Data based cost function o LS estimation versus WF design o LS versus Orthogonal Principle o The sufficient-order problem o SVD solution o WLS,TLS,IRWLS... 2020-01-18 82020-01-18 8 S2. LS Method  The basic set-up of the filter  Data based cost function  LS estimation versus WF design  LS versus Orthogonal Principle  The sufficient-order problem  SVD solution  WLS, TLS, IRWLS…