Autodyne Signal at Reflection Factor Value Modulation

Considered in this paper is the problem of signal generation on the amplitude variation taking into account frequency variations in autodyne oscillator under the influence of electromagnetic wave reflected from the object under control with reflection factor modulation. It is shown that autodyne response waveform may essentially differ for the modulation function law. The results of the theoretical analysis are confirmed by experimental investigation of the oscillators designed on the basis of hybrid integrated modules "Tigel-08" and "Tigel-08M" in millimeter waveband. Theoretical analysis carried out and experimental investigations results show that autodyne signal waveform with amplitude modulation of the electromagnetic wave reflected from the stationary object may essentially differ from the modulation function law. This feature should be taken into account at radio physical investigations of various substance features, in radio spectroscopy, as well as in short-range radar.