Số hiệu tiêu chuẩn
ISO 3742
Tên tiêu chuẩn
Acoustics; Determination of sound power levels of noise sources; Precision methods for discrete-frequency and narrow-band sources in reverberation rooms
Ngày phát hành
1975-07-00
Tiêu chuẩn tương đương
DIN 45635-2 (1977-12), MOD * DIN 45635-2 (1987-10), MOD * NBN S 01-202 (1979), IDT * BS 4196-2 (1981-01-30), IDT * NF S31-023 (1973-12-01), IDT * OENORM S 5031 (1977-03-01), MOD * TS 2709 (1977-04-26), IDT * DS/ISO 3742 (1975), IDT * ELOT 636.2 (1982), IDT * NEN-ISO 3742 (1983), IDT * NS 4818 (1982), MOD * SFS 4842 ISO 3742 (1982), IDT * SABS 0193:1984 (1984-03-08), IDT
Từ khóa
Acoustics * Frequencies * Machines * Measurement * Noise (environmental) * Reverberation * Reverberation rooms * Sound intensity * Sound sources * Testing * Testing conditions * Tests * Sound levels * Audiofrequencies * Narrow band * Engines