A.S. Gostyunin – Ph. D. (Eng.), Head of SDB, JSC «Lutch» (Rybinsk); 

Associate Professor, Lecturer, Rybinsk State Aviation Technical University of P.A. Solovyov

The basic laws of Doppler Speed and Drift meter (DISS) FM signal in a part of energy efficiency are examined and the law that provides the high energy efficiency of the radiated DISS signal is recommended. An evaluation of the modulation laws effectiveness taking into account the loss of signal conversion in the receiver, due to generation of blind range distances and the difference frequency from the time delay of the reflected signal is made. The technical methods to eliminate blind slant range distances and to reduce the power loss of received signal due to signal conversion in the receiver are proposed.

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