号角和波导的技术演变

A.G.Webster, “Acoustical Impedance and the Theory of Horns and of the Phonograph”, Proc. Natl. Acad. Sci., No5, pp. 275 – 282, (1919)

C.R.Hanna, J. Slepian, “The Function and Design of Horns”, Trans. A.I.E.E., March1924, pp. 250 - 256

C.R.Hanna, “Theory of the Horn-Type Loud Speaker ”,J. Acoust. Soc. Am.,vol. 2, pp. 150 – 156, 1930, October.

V.Salmon, “Generalized Plane Wave Horn Equation”, J. Acoust. Soc. Am., vol.17, pp. 199 – 221, 1946, January.

O.Mavardi, “Generalized Solutions of Webster’s Horn Equation”, J. Acoust. Soc. Am.,vol. 21, pp. 323 – 330, 1949, July.

E.Eisner, “Complete Solution of “Webster” Horn Equation”,J. Acoust. Soc. Am., vol.41, pp. 1126 – 1146, 1967, April. ——被引用次数非常多