watt | dBm | dBw |
0.1 pW | -100 dBm | -130 dBW |
1 pW | -90 dBm | -120 dBW |
10 pW | -80 dBm | -110 dBW |
100 pW | -70 dBm | -100 dBW |
1 nW | -60 dBm | -90 dBW |
10 nW | -50 dBm | -80 dBW |
100 nW | -40 dBm | -70 dBW |
1 μW | -30 dBm | -60 dBW |
10 μW | -20 dBm | -50 dBW |
100 μW | -10 dBm | -40 dBW |
794 μW | -1 dBm | -31 dBW |
1.000 mW | 0 dBm | -30 dBW |
1.259 mW | 1 dBm | -29 dBW |
10 mW | 10 dBm | -20 dBW |
100 mW | 20 dBm | -10 dBW |
1 W | 30 dBm | 0 dBW |
10 W | 40 dBm | 10 dBW |
100 W | 50 dBm | 20 dBW |
1 kW | 60 dBm | 30 dBW |
10 kW | 70 dBm | 40 dBW |
100 kW | 80 dBm | 50 dBW |
1 MW | 90 dBm | 60 dBW |
10 MW | 100 dBm | 70 dBW |
符号 | 全称 | 参考基准 |
dB | decibel | - |
dBc | decibel carrier | 载波功率 |
dBd | decibe dipole | 偶极子功率密度 |
dBi | decibel isotropic | 全向天线功率密度 |
dBFS | decibel full scale | 满刻度的量值 |
dBrn | decibel reference noise | 基准噪声 |
符号 | 全称 | 参考基准 |
dBm | decibel milliwatt | 1mW |
dBW | decibel watt | 1W |
dBμV | decibel microvolt | 1μVRMS |
dBmV | decibel millivolt | 1mVRMS |
dBV | decibel volt | 1VRMS |
dBu | decibel unloaded | 0.775VRMS |
dBμA | decibel microampere | 1μA |
dBmA | decibel milliampere | 1mA |
dBohm | decibel ohms | 1Ω |
dBHz | decibel hertz | 1Hz |
dBSPL | decibel sound pressure level | 20μPa |
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