FIELD: acoustic reconnaissance.
SUBSTANCE: invention relates to acoustic reconnaissance and can be used in reconnaissance-signalling complexes and systems for tactical and operational-tactical purposes for early warning of possible landing by transport-assault helicopters or fire raid of enemy attack helicopters. Result is achieved due to use of information on optimal control of helicopter in horizontal flight mode for reasonable selection of frequency ranges characteristic for frequency of modulation of outgoing air flow by periodic flaps of rotor blades of helicopters of different classes.
EFFECT: high efficiency of classification while simplifying implementation of the method and considerable saving of energy, time and hardware resources.
1 cl, 24 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR CLASSIFYING MOBILE GROUND EQUIPMENT | 2023 |
|
RU2811811C1 |
| METHOD FOR CLASSIFYING MOBILE OBJECTS OF GROUND EQUIPMENT USING THE PECULIARITIES OF THEIR ADHESION TO THE SOIL | 2021 |
|
RU2774733C1 |
| METHOD FOR DETECTION OF MOBILE OBJECTS OF GROUND EQUIPMENT | 2021 |
|
RU2773269C1 |
| METHOD OF DETECTING MOBILE OBJECTS OF GROUND EQUIPMENT | 2023 |
|
RU2816287C1 |
| METHOD FOR INCREASING PROCESSING EFFICIENCY OF ULTRA-WIDEBAND SHORT PULSE SIGNALS AT A RECEIVING SIDE | 2019 |
|
RU2731207C1 |
| METHOD FOR CLASSIFYING MOBILE OBJECTS OF GROUND EQUIPMENT USING THE FEATURES OF ITS ADHESION TO THE SOIL | 2021 |
|
RU2776588C1 |
| METHOD FOR SYNCHRONIZING RECEIVING AND TRANSMITTING DEVICES OF A RADIO LINK USING SHORT-PULSE ULTRA-WIDEBAND SIGNALS | 2019 |
|
RU2723269C1 |
| METHOD FOR COVERT HYDROACOUSTIC SEARCH FOR AN AUTONOMOUS BOTTOM UNDERWATER OBJECT | 2021 |
|
RU2762349C1 |
| APPARATUS FOR DISTINGUISHING SHORT-PULSE ULTRA-WIDEBAND SIGNALS OF HIGH EFFICIENCY | 2019 |
|
RU2731126C1 |
| APPARATUS FOR SYNCHRONIZING A RECEIVING AND TRANSMITTING PART OF A RADIO LINK USING SHORT-PULSE ULTRA-WIDEBAND SIGNALS | 2019 |
|
RU2713379C1 |
