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Near field holography measurement of sound source on the surface of complex sound pressure or particle vibration velocity vector, by acoustic space transform, reconstruction of noise source by sound pressure and particle velocity and predictable at any point in the entire three dimensional sound fie

It surveys on the acoustic source near field total information surface the duplicate sound pressure or the particle inspires the vector quantity, through the sound field correlation in space algorithm, reconstructs the acoustic source surface sound pressure and normal inspires fast, and may forecast

Near-field measurements it sound source copies of holographic surface sound pressure or quality point State vector, as soon as possible through a sound-space change the sound source, the reconstruction algorithm surface sound pressure and act as soon as possible to the State as a whole, and predicta

Near field holography measurement of sound source on the surface of complex sound pressure or particle vibration velocity vector, by acoustic space transform, reconstruction of noise source by sound pressure and particle velocity and predictable at any point in the entire three dimensional sound fie