公式：
其中：0dBμV=1μV
dBμV μVolt dBμV μVolt dBμV mVolt dBμV mVolt dBμV Volt
0 1.00 40 100 60 1.00 100 100 120 1.00
1 1.12 41 112 61 1.12 101 112 121 1.12
2 1.26 42 126 62 1.26 102 126 122 1.26
3 1.41 43 141 63 1.41 103 141 123 1.41
4 1.58 44 158 64 1.58 104 158 124 1.58
5 1.78 45 178 65 1.78 105 178 125 1.78
6 2.00 46 200 66 2.00 106 200 126 2.00
7 2.24 47 224 67 2.24 107 224 127 2.24
8 2.51 48 251 68 2.51 108 251 128 2.51
9 2.82 49 282 69 2.82 109 282 129 2.82
10 3.16 50 316 70 3.16 110 316
11 3.55 51 355 71 3.55 111 355
12 3.98 52 398 72 3.98 112 398
13 4.47 53 447 73 4.47 113 447
14 5.01 54 501 74 5.01 114 501
15 5.62 55 562 75 5.62 115 562
16 6.31 56 631 76 6.31 116 631
17 7.08 57 708 77 7.08 117 708
18 7.94 58 794 78 7.94 118 794
19 8.91 59 891 79 8.91 119 891
20 10.0 80 10.0
21 11.2 81 11.2
22 12.6 82 12.6
23 14.1 83 14.1
24 15.8 84 15.8
25 17.8 85 17.8
26 20.0 86 20.0
27 22.4 87 22.4
28 25.1 88 25.1
29 28.2 89 28.2
30 31.6 90 31.6
31 35.5 91 35.5
32 39.8 92 39.8
33 44.7 93 44.7
34 50.1 94 50.1
35 56.2 95 56.2
36 63.1 96 63.1
37 70.8 97 70.8
38 79.4 98 79.4
39 89.1 99 89.1
40 100
dBm-V换算表
公式：
条件：阻抗（R）=50Ω 其中：0dBm=0.2236V=2236μV
dBm Volt dBm Volt dBm Volt dBm Volt dBm Volt
+20.0 2.236 +16.0 1.411 +12.0 0.890 +8.0 0.562 +4.0 0.354
+19.9 2.210 +15.9 1.395 +11.9 0.880 +7.9 0.555 +3.9 0.350
+19.8 2.185 +15.8 1.379 +11.8 0.870 +7.8 0.549 +3.8 0.346
+19.7 2.160 +15.7 1.363 +11.7 0.860 +7.7 0.543 +3.7 0.342
+19.6 2.135 +15.6 1.347 +11.6 0.850 +7.6 0.536 +3.6 0.338
+19.5 2.111 +15.5 1.332 +11.5 0.840 +7.5 0.530 +3.5 0.335
+19.4 2.087 +15.4 1.317 +11.4 0.831 +7.4 0.524 +3.4 0.331
+19.3 2.063 +15.3 1.302 +11.3 0.821 +7.3 0.518 +3.3 0.327
+19.2 2.039 +15.2 1.287 +11.2 0.812 +7.2 0.512 +3.2 0.323
+19.1 2.016 +15.1 1.272 +11.1 0.803 +7.1 0.506 +3.1 0.320
+19.0 1.993 +15.0 1.257 +11.0 0.793 +7.0 0.501 +3.0 0.316
+18.9 1.970 +14.9 1.243 +10.9 0.784 +6.9 0.495 +2.9 0.312
+18.8 1.948 +14.8 1.229 +10.8 0.775 +6.8 0.489 +2.8 0.309
+18.7 1.925 +14.7 1.215 +10.7 0.766 +6.7 0.484 +2.7 0.305
+18.6 1.903 +14.6 1.201 +10.6 0.758 +6.6 0.478 +2.6 0.302
+18.5 1.881 +14.5 1.187 +10.5 0.749 +6.5 0.473 +2.5 0.298
+18.4 1.860 +14.4 1.174 +10.4 0.740 +6.4 0.467 +2.4 0.295
+18.3 1.839 +14.3 1.160 +10.3 0.732 +6.3 0.462 +2.3 0.291
+18.2 1.818 +14.2 1.147 +10.2 0.724 +6.2 0.457 +2.2 0.288
+18.1 1.797 +14.1 1.134 +10.1 0.715 +6.1 0.451 +2.1 0.285
+18.0 1.776 +14.0 1.121 +10.0 0.707 +6.0 0.446 +2.0 0.282
+17.9 1.756 +13.9 1.108 +9.9 0.699 +5.9 0.441 +1.9 0.278
+17.8 1.736 +13.8 1.095 +9.8 0.691 +5.8 0.436 +1.8 0.275
+17.7 1.716 +13.7 1.083 +9.7 0.683 +5.7 0.431 +1.7 0.272
+17.6 1.696 +13.6 1.070 +9.6 0.675 +5.6 0.426 +1.6 0.269
+17.5 1.677 +13.5 1.058 +9.5 0.668 +5.5 0.421 +1.5 0.266
+17.4 1.658 +13.4 1.046 +9.4 0.660 +5.4 0.416 +1.4 0.263
+17.3 1.639 +13.3 1.034 +9.3 0.652 +5.3 0.412 +1.3 0.260
+17.2 1.620 +13.2 1.022 +9.2 0.645 +5.2 0.407 +1.2 0.257
+17.1 1.601 +13.1 1.010 +9.1 0.638 +5.1 0.402 +1.1 0.254
+17.0 1.583 +13.0 0.999 +9.0 0.630 +5.0 0.398 +1.0 0.251
+16.9 1.565 +12.9 0.987 +8.9 0.623 +4.9 0.393 +0.9 0.248
+16.8 1.547 +12.8 0.976 +8.8 0.616 +4.8 0.389 +0.8 0.245
+16.7 1.529 +12.7 0.965 +8.7 0.609 +4.7 0.384 +0.7 0.242
+16.6 1.512 +12.6 0.954 +8.6 0.602 +4.6 0.380 +0.6 0.240
+16.5 1.494 +12.5 0.943 +8.5 0.595 +4.5 0.375 +0.5 0.237
+16.4 1.477 +12.4 0.932 +8.4 0.588 +4.4 0.371 +0.4 0.234
+16.3 1.460 +12.3 0.921 +8.3 0.581 +4.3 0.367 +0.3 0.231
+16.2 1.444 +12.2 0.911 +8.2 0.575 +4.2 0.363 +0.2 0.229
+16.1 1.427 +12.1 0.901 +8.1 0.568 +4.1 0.358 +0.1 0.226
驻波系数、dBm、dBμV、dBmW、V换算表
阻抗匹配关系换算表：
反射系数：
驻波系数：
其中：Z0=Z时，ρ=0、VSWR=1、即完全匹配
ㄧρㄧ VSWR ㄧρㄧ VSWR ㄧρㄧ VSWR ㄧρㄧ VSWR
0.00 1.00 0.25 1.67 0.50 3.00 0.75 7.00
0.01 1.02 0.26 1.70 0.51 3.08 0.76 7.33
0.02 1.04 0.27 1.74 0.52 .317 0.77 7.70
0.03 1.06 0.28 1.78 0.53 3.26 0.78 8.09
0.04 1.08 0.29 1.82 0.54 3.35 0.79 8.52
0.05 1.11 0.30 1.86 0.55 3.44 0.80 9.00
0.06 1.13 0.31 1.90 0.56 3.55 0.81 9.53
0.07 1.15 0.32 1.94 0.57 3.65 0.82 10.11
0.08 1.17 0.33 1.99 0.58 3.76 0.83 10.76
0.09 1.20 0.34 2.03 0.59 3.88 0.84 11.50
0.10 1.22 0.35 2.08 0.60 4.00 0.85 12.33
0.11 1.25 0.36 2.13 0.61 4.13 0.86 13.29
0.12 1.27 0.37 2.17 0.62 4.26 0.87 14.38
0.13 1.30 0.38 2.23 0.63 4.41 0.88 15.67
0.14 1.33 0.39 2.28 0.64 4.56 0.89 17.18
0.15 1.35 0.40 2.33 0.65 4.71 0.90 19.00
0.16 1.38 0.41 2.39 0.66 4.88 0.91 21.22
0.17 1.41 0.42 2.45 0.67 5.06 0.92 24.00
0.18 1.44 0.43 2.51 0.68 5.25 0.93 27.57
0.19 1.47 0.44 2.57 0.69 5.45 0.94 32.33
0.20 1.50 0.45 2.64 0.70 5.67 0.95 39.00
0.21 1.53 0.46 2.70 0.71 5.90 0.96 49.00
0.22 1.56 0.47 2.77 0.72 6.14 0.97 65.67
0.23 1.60 0.48 2.85 0.73 6.41 0.98 99
0.24 1.63 0.49 2.92 0.74 6.69 0.99 199