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Propagation of sound in a cylindrical channel with a wall impedance slowly varying along the channel axis
Propagation of sound in a cylindrical channel with a wall impedance slowly varying along the channel axis
1980
E. A. Leontev
Keywords:
Slowly varying envelope approximation
Noise reduction
Helmholtz equation
Electrical impedance
Beam propagation method
Optics
Wave equation
Wave propagation
Communication channel
Physics
Correction
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