This bookseries aimes to report new developments on parts of control systems and signal processing at a high level, without a restriction in the size of contribution, if (it is) necessary. Basic knowledge is needed. Each volume deals with a special theme. The fol1owing types of contributions will be taken into consideration: coherent representation on single topics with new results, new improved expositions or new applications in a known field of control systems and signal processing, practical applications of theoretic methods, - a survey of published articles with deep insight. Seminar work outs or themes from meetings with exeptional interest could belong to this series, if they satisfy the conditions. The manuscript is reproduced by photographic process and therefore it must be typed with extreme care. The author can get instruction. The manuscript is sent to Prof. Dr. 1. Hartmann, Institut fUr Regelungstechnik, Technische Universit't Berlin, HardenbergstraBe 29c, 1000 Berlin 12, West Germany.