Fundamental Formulas for Sonar
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Documentation for package ‘sonar’ version 1.0.2
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| AbsorptionAlphaAinslieMcColm | Calculation of absorption in sea water from Ainslie and McColm 1998 |
| AbsorptionAlphaFisherSimmons | Calculation of absorption in sea water from Fisher and Simmons 1977 |
| AbsorptionSoundFreshWaterFrancoisGarrison | Calculation of absorption of sound in fresh water From Francois & Garrison 1982 |
| AbsorptionSoundSeaWaterFrancoisGarrison | Calculation of absorption of sound in sea water From Francois & Garrison 1982 |
| BandLevelFlatSpectrum | band level (BL) for flat spectrum |
| BandLevelFromCompleteBand | band level (BL) from complete band |
| BasicActiveSonarEquation | basic active sonar equation |
| BasicPassiveSonarEquation | basic passive sonar equation |
| BasicSonarEquation | basic sonar equation |
| CavitationThresholdEstimateFunctionOfDepth | Cavitation threshold estimate as a function of depth |
| CavitationThresholdEstimateFunctionOfRadiatedAcousticPowerIntensity | Cavitation threshold estimate as a function of radiated acoustic power intensity |
| CorrectiveTermsDepthFromPressure | Corrective terms to be added for obtaining depth from pressure |
| CorrectiveTermsPressureFromDepth | Corrective terms to be subtracted for obtaining pressure from depth |
| CutoffFrequencyShallowWater | Calculation of cutoff frequency in shallow water from Jensen et Al 2011 |
| CutoffFrequencyWater | Calculation of cutoff frequency in water from Jensen et Al 2011 |
| DepthToPressureLeroyParthiot | Depth To Pressure from Leroy Parthiot 1998 |
| DetectionIndex | Detection index |
| fuelStabilizer | Number of milliliters or drops of stabilizer are needed to stabilize a certain amount of fuel |
| HydrophoneSensitivity | Hydrophone Sensitivity |
| InternationalFormulaForGravity | International Formula For Gravity |
| MaximumRadiatedPowerToAvoidCavitation | Maximum radiated power to avoid cavitation |
| MolecularRelaxationAttenuationCoeficient | Molecular relaxation attenuation coeficient (alpha) |
| MolecularRelaxationAttenuationCoeficientApproximation | Molecular relaxation attenuation coeficient approximation |
| PeakTS | peak pressure of the incident and reflected pulses |
| PlaneWaveIntensity | Plane wave intensity |
| PlaneWavePressure | Plane wave pressure |
| PLcylindricalSpreadingLaw | PL to range r cylindrical spreading law in logarithmic form |
| PLSphericalSpreadingAndAbsorption | PL Spherical Spreading and Absorption |
| PLsphericalSpreadingLaw | PL to range r spherical spreading law in logarithmic form |
| PowerCylindricalSpreadingLaw | Power cylindrical spreading law |
| PowerSphericalSpreadingLaw | Power spherical spreading law |
| PressureBalticSimplifiedLeroy | Calculation of pressure in the Baltic from Leroy 1969 |
| PressureBlackSeaSimplifiedLeroy | Calculation of pressure in the Black Sea from Leroy 1969 |
| PressureModifiedSimplifiedLeroy | Calculation of pressure in water (Leroy modified) from Lovett 1978 |
| PressureSimplifiedLeroy | Calculation of pressure in water simplified from Leroy 1969 |
| PressureToDepthLeroyParthiot | Pressure To Depth from Leroy Parthiot 1998 |
| PressureToDepthSaundersFofonoff | Pressure To Depth from Saunders and Fofonoff 1976 |
| ProjectorSensitivityPower | Projector Sensitivity Power |
| ProjectorSensitivityVoltage | Projector Sensitivity Voltage |
| PropagationLoss | Propagation loss (PL) |
| RangeResolutionCHIRP | Sonar Range Resolution CHIRP |
| RangeResolutionMonotonic | Sonar Range Resolution for monotonic acoustic systems |
| SLdirectionalProjector | SL of a directional projector |
| SLomnidirectionalProjector | SL of an omnidirectional projector |
| SonarEquation | sonar equation |
| SourceLevel | source level (SL) |
| SourceLevelToAvoidCavitation | source level to avoid cavitation |
| SpeedAlgorithmParameterRanges | Data on Speed of Sound Algorithm Parameter Ranges |
| SpeedOfSound | Speed of sound |
| SpeedOfSoundAir | speed of sound in humid air at sea level air density and known atmospheric pressure |
| SpeedOfSoundDryAir | Speed of sound in dry air at sea level air density and one atmosphere pressure |
| SpeedOfSoundFreshWaterGrossoMader | speed of sound (m/s) in fresh water from Grosso and Mader |
| SpeedOfSoundHumidAir | Speed of sound in Humid air at sea level air density and one atmosphere pressure |
| SpeedOfSoundKinslerEtal | Speed of sound (m/s) from Kinsler et al |
| SpeedOfSoundPureWaterBelogolskiiSekoyanEtal | speed of sound (m/s) from Belogolskii, Sekoyan et al |
| SpeedOfSoundPureWaterBilaniukWong112 | speed of sound (m/s) from Bilaniuk and Wong 112 point equation |
| SpeedOfSoundPureWaterBilaniukWong148 | speed of sound (m/s) from Bilaniuk and Wong 148 point equation |
| SpeedOfSoundPureWaterBilaniukWong36 | speed of sound (m/s) from Bilaniuk and Wong 36 point equation |
| SpeedOfSoundPureWaterLubbersandGraaffSEa | speed of sound (m/s) from Lubbers and Graaff's simplified equations a and b |
| SpeedOfSoundPureWaterLubbersandGraaffSEb | speed of sound (m/s) from Lubbers and Graaff's simplified equations a and b |
| SpeedOfSoundPureWaterMarczak | speed of sound (m/s) from Marczak |
| SpeedOfSoundSeaWaterChenAndMillero | speed of sound (m/s) in sea water from Chen and Millero 1977 |
| SpeedOfSoundSeaWaterCoppens | speed of sound (m/s) in sea water from Coppens 1981 |
| SpeedOfSoundSeaWaterDelGrosso | speed of sound (m/s) in sea water from Del Grosso 1974 |
| SpeedOfSoundSeaWaterFryeAndPugh | Calculation of speed of sound in sea water from Frye and Pugh 1971 |
| SpeedOfSoundSeaWaterLeroy68 | speed of sound (m/s) in sea water from Leroy 1968 |
| SpeedOfSoundSeaWaterLeroy69 | speed of sound (m/s) in sea water from Leroy 1969 |
| SpeedOfSoundSeaWaterLeroyEtAl2008 | Calculation of speed of sound in sea water from Leroy et Al 2008 |
| SpeedOfSoundSeaWaterLovett1 | Calculation of speed of sound in sea water from Lovett 1978 |
| SpeedOfSoundSeaWaterLovett2 | Calculation of speed of sound in sea water from Lovett 1978b |
| SpeedOfSoundSeaWaterLovett3 | Calculation of speed of sound in sea water from Lovett 1978c |
| SpeedOfSoundSeaWaterMackenzie | speed of sound (m/s) in sea water from Mackenzie 1981 |
| SpeedOfSoundSeaWaterMedwin | speed of sound (m/s) in sea water from Medwin 1975 |
| SpeedOfSoundSeaWaterSkone | speed of sound (m/s) in sea water from Skone et al 2002 |
| SpeedOfSoundSeaWaterWilson | Calculation of speed of sound in sea water from Wilson 1960 |
| TargetStrength | Target Strength (TS) |
| TargetStrengthCircularPlateNormal | target strength Circular Plate normal |
| TargetStrengthConvexSurface | target strength Convex surface |
| TargetStrengthCylinderNormal | target strength Cylinder normal |
| TargetStrengthCylinderThetaToNormal | target strength Cylinder, theta to normal |
| TargetStrengthPlateAnyShape | target strength Plate of any shape |
| TargetStrengthRectangularPlateNormal | target strength Rectangular Plate normal |
| TargetStrengthRectangularPlateThetaToNormal | target strength Rectangular Plate, theta to normal |
| TargetStrengthSphere | target strength sphere |
| TransmitDirectivityIndex | transmit directivity index |