Analysis of errors when using the similar source method to estimate sound fields

被引:3
作者
Too, GPJ [1 ]
机构
[1] Natl Cheng Kung Univ, Dept Syst & Naval Mechatron Engn, Tainan 70101, Taiwan
关键词
similar source method; error analysis; sound field;
D O I
10.1016/j.apacoust.2003.09.006
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The similar source method (SSM) uses an imaginary source distribution to estimate radiated and scattered sound fields. The error analyses in the present study are for possible numerical errors by SSM, solutions of the problem of singularity and non-unique solution by SSM and the effects of possible errors in measurements on the estimation of the sound field by SSM. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:251 / 261
页数:11
相关论文
共 10 条
[1]  
[Anonymous], 1987, ELECTROMAGNETIC ACOU
[2]   ANALYSIS OF ACOUSTIC SCATTERING FROM FLUID CYLINDERS USING A MULTIFILAMENT SOURCE MODEL [J].
BOAG, A ;
LEVIATAN, Y ;
BOAG, A .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1988, 83 (01) :1-8
[4]   A METHOD FOR COMPUTING ACOUSTIC FIELDS BASED ON THE PRINCIPLE OF WAVE SUPERPOSITION [J].
KOOPMANN, GH ;
SONG, LM ;
FAHNLINE, JB .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1989, 86 (06) :2433-2438
[6]   NUMERICAL ERRORS ASSOCIATED WITH THE METHOD OF SUPERPOSITION FOR COMPUTING ACOUSTIC FIELDS [J].
SONG, LM ;
KOOPMANN, GH ;
FAHNLINE, JB .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1991, 89 (06) :2625-2633
[7]   SURFACE PRESSURE AND HARMONIC LOADING ON SHELLS OF REVOLUTION USING AN INTERNAL SOURCE DENSITY METHOD [J].
STEPANISHEN, PR ;
CHEN, HW .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1992, 92 (04) :2248-2259
[8]   ACOUSTIC RADIATION FROM CYLINDERS WITH A PLANE OF SYMMETRY USING INTERNAL MULTIPOLE LINE SOURCE DISTRIBUTIONS .1. [J].
STEPANISHEN, PR ;
RAMAKRISHNA, S .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1993, 93 (02) :658-672
[9]   Estimation of scattered sound field via nearfield measurement by source methods [J].
Too, GPJ ;
Su, TK .
APPLIED ACOUSTICS, 1999, 58 (03) :261-281
[10]  
TOO GPJ, 2001, APPL ACOUSTICS