The record media null which it records the separable presumption device of transfer characteristic of multiplex linear transmission path, reads separable presumption manner and its manner and as the possible program

摘要

PROBLEM TO BE SOLVED: To simultaneously perform separate estimation of transmission characteristics of N.M multiple transmission routes from various input signals by estimating the N.M transmission characteristics based on preprocessing signals of N channels and response signals from M output points. SOLUTION: The transmission characteristics of an unknown linear FOR system 11m with N inputs and 1 output are expressed as N transmission routes 11H1m, ...HNm and an adder 11Am to take the total sum of the outputs of these transmission routes by z transformation. And G1z, ...GNz are the transmission characteristics of prefilters 121, ...12N to be introduced and H1z, ...H1N are the transmission characteristics of the transmission routes from respective input points 11S1, ...11SN to the adder 11Am as the output point of the unknown system 11m. Therefore, the transmission characteristics Hnz of the transmission routes from the respective input points 11Sn to M output points 11Am are uniquely determined by designing the prefilters 121, ...12N to have zero points which are different from one another.