|
RU2209672C1
|
|
Vortex-type mill
|
|
RU2214656C2
|
|
Underwater scanning system
|
|
RU2193213C1
|
|
Underwater optical equipment to examine underwater object
|
|
RU2178630C1
|
|
Procedure controlling parameters of noise making by underwater object in full-scale basin
|
|
RU2201041C2
|
|
Underwater acoustic antenna
|
|
RU2176091C1
|
|
Portable fiber-optical hydrophone
|
|
RU2154842C1
|
|
Technique for detection and identification of underwater target
|
|
RU2141740C1
|
|
Device for measurement of pressure levels of hydroacoustic fields of vessel
|
|
RU2141743C1
|
|
Method for calibration of hydroacoustic measuring circuit of measuring instrument
|
|
RU2115938C1
|
|
Opticoacoustic sonar for detection of noiseless underwater targets under mode of passive underwater acoustics
|
|
RU2112943C1
|
|
Fibre-optical meter of wave pressure close to sea surface
|
|
RU95109282A
|
|
Method for calibration of hydrophones
|
|
RU95107380A
|
|
Fiber-optical meter of sea current velocity fields
|
|
RU94040285A
|
|
Undercurrent velocity meter
|
