TY - JOUR A1 - Reemtsen, Rembert T1 - Design approximation problems for linear-phase nonrecursive digital filters KW - digital filters KW - linear-phase filters KW - Remez algorithm KW - Parks-McClellan algorithm Y1 - 2002 ER - TY - JOUR A1 - Reemtsen, Rembert T1 - Frequency and magnitude response design approximation problems for nonlinear-phase nonrecursive digital filters KW - filter design KW - digital filters KW - complex approximation KW - complete systems Y1 - 2002 ER - TY - JOUR A1 - Potchinkov, Alexander A1 - Reemtsen, Rembert T1 - Bicriterial design of digital filters KW - bicriterial optimization KW - reference point approximation KW - filter design KW - digital filters KW - compromise filters Y1 - 2002 ER - TY - JOUR A1 - Alber, Markus A1 - Meedt, G. A1 - Nüsslin, F. A1 - Reemtsen, Rembert T1 - On the degeneracy of the IMRT optimisation problem KW - radiation therapy planning KW - intensity modulated radiation therapy Y1 - 2002 ER -