B.A. Atayants - Ph. D. (Eng.), General Director Open Company enterprise «KONTAKT-1» (Ryazan) E-mail: skb@kontakt-1.ru V.M. Davydochkin - Ph. D. (Eng.), Head of Department, Open Company enterprise «KONTAKT-1» (Ryazan) E-mail: skb@kontakt-1.ru V.V. Ezerskiy - Dr. Sc. (Eng.), Professor, Department of Radio Management and Communication, Ryazan State Radio Engineering University E-mail: ezerski@yandex.ru

Dispersion influence in a wave guide on properties of the modified transformation of Fourier and Modification signals function is in-vestigated at number of readout of a signal difference frequencies (SDF) smaller numbers of the average periods of fluctuations. It is shown that in this case periodic continuations of a spectrum, because of a frequency dispersion become hindrances of low level of the frequencies almost in regular intervals distributed on an axis. Level an error from hindrances of such kind is defined. It is shown that the frequency dispersion results to increase in admissible level of hindrances for unequivocal definition of distance on frequency of a global maximum of alarm function. Restrictions of the minimum number of readout SDF are estimated.

 

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