Số hiệu tiêu chuẩn
prEN ISO 3744
Tên tiêu chuẩn
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO/DIS 3744:2006)
Ngày phát hành
2006-03-00
Tiêu chuẩn tương đương
DIN EN ISO 3744 (2006-07), IDT * S31-025PR, IDT * ISO/DIS 3744 (2006-03), IDT * OENORM EN ISO 3744 (2006-07-01), IDT
Từ khóa
Absorption * Acoustic measurement * Acoustic testing * Acoustics * Calibration * Definitions * Determination * Ear protectors * Enveloping surface methods * Environment * Ergonomics * External noise * Fixings * Installations * Mathematical calculations * Measurement * Measurement duration * Measuring instruments * Measuring surfaces * Measuring uncertainty * Methods * Methods of calculation * Microphones * Noise * Noise (environmental) * Noise measurements * Noise sources * Operation * Precision * Reflective * Rooms * Sound * Sound absorption * Sound energy * Sound fields * Sound intensity * Sound level * Sound levels * Sound power * Sound pressure * Sound sources * Specification (approval) * Standard deviation * Test equipment * Testing * Testing conditions * Procedures * Processes * Extraneous noise
prEN ISO 3744
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