序号 | 测量 频点 | GB12190 | GB30142 | 屏蔽效能差值 (dB) | ||||
A1 自由空间校准值 (−dBm) | A3 窗口测试值 (−dBm) | SE1 屏蔽效能 (dB) | B2 窗口校准值 (−dBm) | B3 窗口测试值 (−dBm) | SE2 屏蔽效能 (dB) | |||
1 | 10 k | 25 | 52 | 27 | 36 | 52 | 16 | 11 |
2 | 14 k | 22 | 49 | 27 | 26 | 49 | 23 | 4 |
3 | 150 k | 24 | 57 | 33 | 29 | 57 | 28 | 5 |
4 | 200 k | 26 | 60 | 34 | 30 | 60 | 30 | 4 |
5 | 1 M | 26 | 65 | 39 | 30 | 65 | 35 | 4 |
6 | 14 M | 28 | 88 | 60 | 34 | 88 | 54 | 6 |
7 | 15 M | 27 | 90 | 63 | 35 | 90 | 55 | 8 |
8 | 80 M | 7 | 94 | 87 | 31 | 84 | 53 | 34 |
9 | 300 M | 8 | 70 | 62 | 6 | 58 | 52 | 10 |
10 | 450 M | 12 | 84 | 72 | 16 | 77 | 61 | 11 |
11 | 915 M | 15 | 85 | 70 | 13 | 77 | 64 | 6 |
12 | 930 M | 16 | 83 | 67 | 13 | 76 | 63 | 4 |
13 | 1 G | 18 | 85 | 67 | 9 | 80 | 71 | −4 |
14 | 1.5 G | 18 | 75 | 57 | 15 | 62 | 47 | 10 |
15 | 1.8 G | 16 | 67 | 51 | 11 | 64 | 53 | −2 |
16 | 2.45 G | 23 | 73 | 50 | 18 | 67 | 49 | 1 |
17 | 3 G | 22 | 66 | 44 | 17 | 65 | 48 | −4 |
18 | 6 G | 27 | 71 | 44 | 21 | 61 | 40 | 4 |
19 | 10 G | 34 | 85 | 51 | 29 | 64 | 35 | 16 |
20 | 18 G | 57 | 98 | 41 | 52 | 95 | 43 | −2 |