FIELD: physics.
SUBSTANCE: interference detector of moving underwater object has a generator, a radiating antenna device, a signal processing unit which includes first and second receiving channels, having corresponding receiving antenna devices, a corresponding matching device and a filter unit, as well as a subtractor and an adaptive filter, an amplitude detector, a recording device, an information display unit, wherein the signal processing unit additionally includes a frequency tuning channel, which includes a third receiving antenna device, a third matching device, a third filter unit and a unit for calculating and comparing the coherence function.
EFFECT: detecting a moving underwater object in shallow water based on the changing interference pattern in the investigated region.
5 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DETECTOR OF MOVING UNDERWATER OBJECTS AGAINST THE BACKGROUND OF BIOLOGICAL NOISE IN A SHALLOW WATER AREA INHABITED BY NIPPER-PRAWNS | 2021 |
|
RU2779380C1 |
| INTERFERENCE DETECTOR OF MOVING UNDERWATER MARINE OBJECT WITH MEDIAN SIGNAL FILTERING | 2023 |
|
RU2809350C1 |
| INTERFERENCE DETECTOR OF MOVING SEA OBJECT | 2014 |
|
RU2563140C1 |
| MARINE OBJECT NOISE EMISSION LEVEL RECORDING METHOD | 2017 |
|
RU2659186C1 |
| METHOD FOR REGISTERING THE FLOW CHARACTERISTICS OF A MARINE OBJECT IN SHALLOW WATERS | 2022 |
|
RU2786039C1 |
| METHOD OF DETECTING NOISE EMISSION OF MARINE UNDERWATER OBJECT | 2020 |
|
RU2746312C1 |
| METHOD OF DETECTING LOW-NOISE MARINE OBJECT | 2014 |
|
RU2572052C2 |
| METHOD FOR REGISTRATION OF THE PASSAGE CHARACTERISTICS OF A MARINE OBJECT | 2021 |
|
RU2774731C1 |
| METHOD FOR RECORDING LOW NOISE MARINE OBJECT BY USING MEDIAN FILTERING | 2016 |
|
RU2616357C1 |
| METHOD OF RECORDING NOISE EMISSION OF MARINE OBJECT | 2020 |
|
RU2746342C1 |
