sonar (version 1.0.2)

Fundamental Formulas for Sonar

Description

Formulas for calculating sound velocity, water pressure, depth, density, absorption and sonar equations.

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Version

Install

install.packages('sonar')

Monthly Downloads

140

Version

1.0.2

License

GPL (>= 3)

Maintainer

Jose Gama

Last Published

September 15th, 2016

Functions in sonar (1.0.2)

AbsorptionSoundSeaWaterFrancoisGarrison

Calculation of absorption of sound in sea water From Francois & Garrison 1982

AbsorptionSoundFreshWaterFrancoisGarrison

Calculation of absorption of sound in fresh water From Francois & Garrison 1982

AbsorptionAlphaAinslieMcColm

Calculation of absorption in sea water from Ainslie and McColm 1998

AbsorptionAlphaFisherSimmons

Calculation of absorption in sea water from Fisher and Simmons 1977

BandLevelFromCompleteBand

band level (BL) from complete band

BasicPassiveSonarEquation

basic passive sonar equation

CavitationThresholdEstimateFunctionOfDepth

Cavitation threshold estimate as a function of depth

BandLevelFlatSpectrum

band level (BL) for flat spectrum

BasicSonarEquation

basic sonar equation

BasicActiveSonarEquation

basic active sonar equation

DepthToPressureLeroyParthiot

Depth To Pressure from Leroy Parthiot 1998

fuelStabilizer

Number of milliliters or drops of stabilizer are needed to stabilize a certain amount of fuel

CorrectiveTermsPressureFromDepth

Corrective terms to be subtracted for obtaining pressure from depth

DetectionIndex

Detection index

CutoffFrequencyWater

Calculation of cutoff frequency in water from Jensen et Al 2011

CutoffFrequencyShallowWater

Calculation of cutoff frequency in shallow water from Jensen et Al 2011

HydrophoneSensitivity

Hydrophone Sensitivity

InternationalFormulaForGravity

International Formula For Gravity

CavitationThresholdEstimateFunctionOfRadiatedAcousticPowerIntensity

Cavitation threshold estimate as a function of radiated acoustic power intensity

CorrectiveTermsDepthFromPressure

Corrective terms to be added for obtaining depth from pressure

MaximumRadiatedPowerToAvoidCavitation

Maximum radiated power to avoid cavitation

PlaneWavePressure

Plane wave pressure

PLcylindricalSpreadingLaw

PL to range r cylindrical spreading law in logarithmic form

PlaneWaveIntensity

Plane wave intensity

MolecularRelaxationAttenuationCoeficientApproximation

Molecular relaxation attenuation coeficient approximation

PLSphericalSpreadingAndAbsorption

PL Spherical Spreading and Absorption

PowerSphericalSpreadingLaw

Power spherical spreading law

PLsphericalSpreadingLaw

PL to range r spherical spreading law in logarithmic form

PowerCylindricalSpreadingLaw

Power cylindrical spreading law

PeakTS

peak pressure of the incident and reflected pulses

PressureModifiedSimplifiedLeroy

Calculation of pressure in water (Leroy modified) from Lovett 1978

PressureToDepthLeroyParthiot

Pressure To Depth from Leroy Parthiot 1998

ProjectorSensitivityPower

Projector Sensitivity Power

ProjectorSensitivityVoltage

Projector Sensitivity Voltage

PressureSimplifiedLeroy

Calculation of pressure in water simplified from Leroy 1969

PressureToDepthSaundersFofonoff

Pressure To Depth from Saunders and Fofonoff 1976

SpeedAlgorithmParameterRanges

Data on Speed of Sound Algorithm Parameter Ranges

SpeedOfSound

Speed of sound

PressureBalticSimplifiedLeroy

Calculation of pressure in the Baltic from Leroy 1969

PropagationLoss

Propagation loss (PL)

SourceLevelToAvoidCavitation

source level to avoid cavitation

SourceLevel

source level (SL)

RangeResolutionCHIRP

Sonar Range Resolution CHIRP

RangeResolutionMonotonic

Sonar Range Resolution for monotonic acoustic systems

SpeedOfSoundPureWaterLubbersandGraaffSEa

speed of sound (m/s) from Lubbers and Graaff's simplified equations a and b

SpeedOfSoundPureWaterBilaniukWong36

speed of sound (m/s) from Bilaniuk and Wong 36 point equation

SpeedOfSoundPureWaterLubbersandGraaffSEb

speed of sound (m/s) from Lubbers and Graaff's simplified equations a and b

SLdirectionalProjector

SL of a directional projector

SpeedOfSoundPureWaterMarczak

speed of sound (m/s) from Marczak

SpeedOfSoundSeaWaterLeroyEtAl2008

Calculation of speed of sound in sea water from Leroy et Al 2008

SonarEquation

sonar equation

SpeedOfSoundSeaWaterWilson

Calculation of speed of sound in sea water from Wilson 1960

TargetStrengthRectangularPlateNormal

target strength Rectangular Plate normal

SpeedOfSoundSeaWaterLovett1

Calculation of speed of sound in sea water from Lovett 1978

SLomnidirectionalProjector

SL of an omnidirectional projector

SpeedOfSoundSeaWaterSkone

speed of sound (m/s) in sea water from Skone et al 2002

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

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

PressureBlackSeaSimplifiedLeroy

Calculation of pressure in the Black Sea from Leroy 1969

SpeedOfSoundPureWaterBelogolskiiSekoyanEtal

speed of sound (m/s) from Belogolskii, Sekoyan et al

SpeedOfSoundKinslerEtal

Speed of sound (m/s) from Kinsler et al

SpeedOfSoundSeaWaterDelGrosso

speed of sound (m/s) in sea water from Del Grosso 1974

SpeedOfSoundSeaWaterMackenzie

speed of sound (m/s) in sea water from Mackenzie 1981

SpeedOfSoundSeaWaterMedwin

speed of sound (m/s) in sea water from Medwin 1975

SpeedOfSoundSeaWaterFryeAndPugh

Calculation of speed of sound in sea water from Frye and Pugh 1971

TargetStrengthSphere

target strength sphere

TransmitDirectivityIndex

transmit directivity index

TargetStrengthCylinderThetaToNormal

target strength Cylinder, theta to normal

TargetStrengthPlateAnyShape

target strength Plate of any shape

SpeedOfSoundDryAir

Speed of sound in dry air at sea level air density and one atmosphere pressure

SpeedOfSoundAir

speed of sound in humid air at sea level air density and known atmospheric pressure

SpeedOfSoundPureWaterBilaniukWong148

speed of sound (m/s) from Bilaniuk and Wong 148 point equation

SpeedOfSoundPureWaterBilaniukWong112

speed of sound (m/s) from Bilaniuk and Wong 112 point equation

SpeedOfSoundSeaWaterLeroy68

speed of sound (m/s) in sea water from Leroy 1968

SpeedOfSoundSeaWaterLeroy69

speed of sound (m/s) in sea water from Leroy 1969

TargetStrength

Target Strength (TS)

TargetStrengthCircularPlateNormal

target strength Circular Plate normal

SpeedOfSoundSeaWaterLovett2

Calculation of speed of sound in sea water from Lovett 1978b

SpeedOfSoundSeaWaterLovett3

Calculation of speed of sound in sea water from Lovett 1978c

TargetStrengthConvexSurface

target strength Convex surface

TargetStrengthRectangularPlateThetaToNormal

target strength Rectangular Plate, theta to normal

TargetStrengthCylinderNormal

target strength Cylinder normal