貳拾伍、「功率比」與「電壓比」的表格
功率比與電壓比的簡表
|
正電壓比
|
正功率比
|
分貝值
|
負電壓比
|
負功率比
|
|
3.162
|
101
|
10
|
3.162 × 10-1
|
10-1
|
|
101
|
102
|
20
|
10-1
|
10-2
|
|
3.162 × 10
|
103
|
30
|
3.162 × 10-2
|
10-3
|
|
102
|
104
|
40
|
10-2
|
10-4
|
|
3.162 × 102
|
105
|
50
|
3.162 × 10-3
|
10-5
|
|
103
|
106
|
60
|
10-3
|
10-6
|
|
3.162 × 103
|
107
|
70
|
3.162 × 10-4
|
10-7
|
|
104
|
108
|
80
|
10-4
|
10-8
|
|
3.162 × 104
|
109
|
90
|
3.162 × 10-5
|
10-9
|
|
105
|
1010
|
100
|
10-5
|
10-10
|
表格 12 、 正/負功率比 與 正/負電壓比 的簡表。
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功率比 與 電壓比 的表格
|
正電壓比
|
正功率比
|
分貝值
|
負電壓比
|
負功率比
|
|
1.000
|
1.000
|
0.0
|
1.000 0
|
1.000 0
|
|
1.059
|
1.122
|
0.5
|
0.944 1
|
0.891 3
|
|
1.122
|
1.259
|
1.0
|
0.891 3
|
0.794 3
|
|
1.189
|
1.413
|
1.5
|
0.841 4
|
0.707 9
|
|
1.259
|
1.585
|
2.0
|
0.794 3
|
0.631 0
|
|
1.334
|
1.778
|
2.5
|
0.749 9
|
0.562 3
|
|
1.413
|
1.995
|
3.0
|
0.707 9
|
0.501 2
|
|
1.496
|
2.239
|
3.5
|
0.668 3
|
0.446 7
|
|
1.585
|
2.512
|
4.0
|
0.631 0
|
0.398 1
|
|
1.679
|
2.818
|
4.5
|
0.595 7
|
0.354 8
|
|
1.778
|
3.162
|
5.0
|
0.562 3
|
0.316 2
|
|
1.884
|
3.548
|
5.5
|
0.530 9
|
0.281 8
|
|
1.995
|
3.981
|
6.0
|
0.501 2
|
0.251 2
|
|
2.113
|
4.467
|
6.5
|
0.473 2
|
0.223 9
|
|
2.239
|
5.012
|
7.0
|
0.446 7
|
0.199 5
|
|
2.371
|
5.623
|
7.5
|
0.421 7
|
0.177 8
|
|
2.512
|
6.310
|
8.0
|
0.398 1
|
0.158 5
|
|
2.661
|
7.079
|
8.5
|
0.375 8
|
0.141 3
|
|
2.818
|
7.943
|
9.0
|
0.354 8
|
0.125 9
|
|
2.985
|
8.913
|
9.5
|
0.335 0
|
0.112 2
|
|
3.162
|
10.000
|
10.0
|
0.316 2
|
0.100 0
|
|
3.350
|
11.22
|
10.5
|
0.298 5
|
0.089 13
|
|
3.548
|
12.59
|
11.0
|
0.281 8
|
0.079 43
|
|
3.758
|
14.13
|
11.5
|
0.266 1
|
0.070 79
|
|
3.981
|
15.85
|
12.0
|
0.251 2
|
0.063 10
|
|
4.217
|
17.78
|
12.5
|
0.237 1
|
0.056 23
|
|
4.467
|
19.95
|
13.0
|
0.223 9
|
0.050 12
|
|
4.732
|
22.39
|
13.5
|
0.211 3
|
0.044 67
|
|
5.012
|
25.12
|
14.0
|
0.199 5
|
0.039 81
|
|
5.309
|
28.18
|
14.5
|
0.188 4
|
0.035 48
|
|
5.623
|
31.62
|
15.0
|
0.177 8
|
0.031 62
|
|
5.957
|
35.48
|
15.5
|
0.167 9
|
0.028 18
|
|
6.310
|
39.81
|
16.0
|
0.158 5
|
0.025 12
|
|
6.683
|
44.67
|
16.5
|
0.149 6
|
0.022 39
|
|
7.079
|
50.12
|
17.0
|
0.141 3
|
0.019 95
|
|
7.499
|
56.23
|
17.5
|
0.133 4
|
0.017 78
|
|
7.943
|
63.10
|
18.0
|
0.125 9
|
0.015 85
|
|
8.414
|
70.79
|
18.5
|
0.118 9
|
0.014 13
|
|
8.913
|
79.43
|
19.0
|
0.112 2
|
0.012 59
|
|
9.441
|
89.13
|
19.5
|
0.105 9
|
0.011 22
|
|
10.000
|
100.00
|
20.0
|
0.100 0
|
0.010 00
|
表格 13 、 功率比與電壓比的表格。
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