Material sound absorption performance testing device and testing method

The invention discloses a material sound absorption performance testing device and testing method, which relate to the technical field of noise control. The device comprises a sound insulation cover and a test module, wherein the sound insulation cover comprises a semi-closed cover body with an open...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG KEFENG, DENG FENG, CHEN JIANWU, GU JUNQING, DAO YINGMAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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