FIELD: physics.
SUBSTANCE: in compliance with proposed method, modulation pulse repetition rate is varied from period to period of linear frequency modulation to allow attenuating noise signal by connecting, between first mixer, unit of filters with variable adjustment frequency equal to the sum of repetition frequency of modulation pulses and range finding frequency, while, after, second mixer, to allow forcing noise signal out beyond frequency detector aperture range.
EFFECT: higher noise immunity of radio transducer to noise signal with FM frequency matching range finding frequency corresponding to preset range of actuating instruction output range.
5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| RADAR SENSOR | 1994 |
|
RU2087922C1 |
| TRANSCEIVER | 2014 |
|
RU2547444C1 |
| TRANSCEIVER | 2015 |
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| INDICATOR | 0 |
|
SU1744473A1 |
| SHAPER OF LINEAR FREQUENCY-MODULATED SIGNALS | 0 |
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| APPARATUS FOR ANALYSING PULSED SIGNAL MODULATION PARAMETERS | 1976 |
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