JPH0453258B2 - - Google Patents
Info
- Publication number
- JPH0453258B2 JPH0453258B2 JP59207637A JP20763784A JPH0453258B2 JP H0453258 B2 JPH0453258 B2 JP H0453258B2 JP 59207637 A JP59207637 A JP 59207637A JP 20763784 A JP20763784 A JP 20763784A JP H0453258 B2 JPH0453258 B2 JP H0453258B2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- tube
- acoustic
- sample
- microphones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 9
- 239000011358 absorbing material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000011120 plywood Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/10—Amplitude; Power
- G01H3/12—Amplitude; Power by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59207637A JPS6184526A (ja) | 1984-10-02 | 1984-10-02 | 材料の音響透過損失測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59207637A JPS6184526A (ja) | 1984-10-02 | 1984-10-02 | 材料の音響透過損失測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6184526A JPS6184526A (ja) | 1986-04-30 |
JPH0453258B2 true JPH0453258B2 (zh) | 1992-08-26 |
Family
ID=16543084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59207637A Granted JPS6184526A (ja) | 1984-10-02 | 1984-10-02 | 材料の音響透過損失測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6184526A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012202802A (ja) * | 2011-03-25 | 2012-10-22 | Foster Electric Co Ltd | 音響特性測定システムおよび音響特性測定方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63100372A (ja) * | 1986-10-16 | 1988-05-02 | Yoshida Kogyo Kk <Ykk> | 建築用資材の垂直入射吸音率の測定方法及び測定装置 |
KR20040037776A (ko) * | 2002-10-30 | 2004-05-07 | 현대자동차주식회사 | 차량의 흡배기계 전달 손실 측정 시스템 |
CZ303177B6 (cs) * | 2008-01-14 | 2012-05-16 | Technický a zkušební ústav stavební Praha, s.p. | Zarízení k testování akustických vlastností stavebních materiálu a konstrukcí |
JP5721483B2 (ja) * | 2011-03-16 | 2015-05-20 | フォスター電機株式会社 | 音響特性測定装置 |
JP5642000B2 (ja) * | 2011-03-25 | 2014-12-17 | フォスター電機株式会社 | 音響特性測定装置 |
JP5509150B2 (ja) * | 2011-05-10 | 2014-06-04 | 株式会社コベルコ科研 | 音響管及び音響特性測定装置 |
CN104407056B (zh) * | 2014-11-28 | 2017-11-07 | 歌尔股份有限公司 | 吸声材料阻抗特性及扩容性能测试装置及测试方法 |
JP6928800B2 (ja) * | 2017-10-12 | 2021-09-01 | 株式会社ミスズ工業 | 微細孔検査装置及び微細孔検査方法 |
FR3082305B1 (fr) * | 2018-06-07 | 2020-06-26 | Psa Automobiles Sa | Dispositif et methode de test de propagation sonore |
CN111007152B (zh) * | 2019-12-24 | 2022-08-16 | 无锡吉兴汽车声学部件科技有限公司 | 一种声学性能综合评估方法及系统 |
-
1984
- 1984-10-02 JP JP59207637A patent/JPS6184526A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012202802A (ja) * | 2011-03-25 | 2012-10-22 | Foster Electric Co Ltd | 音響特性測定システムおよび音響特性測定方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS6184526A (ja) | 1986-04-30 |
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