A.A. Potapov - Dr. Sc. (Phys.-Math.), Professor, Member of Russian A.M. Prokhorov Academy of Engineering Sciences and Russian Academy of Natural Sciences; President of cooperative Chinese-Russian laboratory of informa-tional technologies and signals fractal processing (China, Guanzhou); Main Research Scientist, Kotel\'nikov IRE of RAS (Moscow). E-mail: potapov@cplire.ru