decibel watt中文什么意思

瓦分贝

• decibel:    n. 【物理学】分贝〔音量单位〕。
• watt:    n. 【电学】瓦特〔电力单位〕。
• decibel-watt:    瓦分贝

百科释义

The decibel watt or dBW is a unit for the measurement of the strength of a signal expressed in decibels relative to one watt. It is used because of its capability to express both very large and very small values of power in a short range of number; e.