£TOP PAGEbGNgjNXm―bfVxidBjb
- ‘ fVxidBjlΖ{¦
‘ fVxidBjlΖ{¦
- fVx20~log10({¦)@idBj
dB | {¦ | υl |
100 | 100000 | 105 |
90 | 31623 | 104.5 |
80 | 10000 | 104 |
70 | 3162 | 103.5 |
60 | 1000 | 103 |
50 | 316.2 | 102.5 |
40 | 100 | 102 |
30 | 31.62 | 101.5 |
20 | 10 | 10 |
10 | 3.162 | 100.5 |
6 | 1.995 | ΰ2 |
3 | 1.413 | ΰ20.5 |
1 | 1.122 | - |
0 | 1 | 1 |
-1 | 0.8913 | - |
-3 | 0.7079 | ΰ1/20.5 |
-6 | 0.5012 | ΰ1/2 |
-10 | 0.3162 | 1/100.5 |
-20 | 0.1 | 1/10 |
-30 | 0.03162 | 1/101.5 |
-40 | 0.01 | 1/102 |
-50 | 0.003162 | 1/102.5 |
-60 | 0.001 | 1/103 |
-70 | 0.0003162 | 1/103.5 |
-80 | 0.0001 | 1/104 |
-90 | 0.00003162 | 1/104.5 |
-100 | 0.00001 | 1/105 |
- @
- {¦10(fVx/20)
{¦ | dB |
100 | 40 |
50 | 33.98 |
20 | 26.02 |
10 | 20 |
5 | 13.98 |
2 | 6.021 |
1 | 0 |
1/2 | -6.021 |
1/5 | -13.98 |
1/10 | -20 |
1/20 | -26.02 |
1/50 | -33.98 |
1/100 | -40 |
- @
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