Rel 噪声 recommended exposure limit
參考 數据 與 工程 information about rel 噪声 recommended exposure limit 用于 acoustics applications.
relnoiserecommendedexposure
Overview
Engineering reference data for Rel Noise Recommended Exposure Limit in acoustics.
Key Formulas
Speed of Sound
Speed of sound in an ideal gas.
Sound Level
Decibel level.
Wavelength
Wavelength = speed / frequency.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Speed of sound | m/s | |
| Sound level | dB | |
| Wavelength | m | |
| Frequency | Hz |