《移动通信技术》A卷答案(2)

附表：

附表 呼损率和话务量与信道数及信道利用率的关系

B 1% 2% 5% 10% 20% n A η(%) A η(%) A η(%) A η(%) A η(%) 1 0.0101 1.0 0.020 2.0 0.053 5.0 0.111 10.0 0.25 20.0 2 0.1536 7.6 0.224 11.0 0.38 18.1 0.595 26.8 1.00 40.0 3 0.456 15.0 0.602 19.7 0.899 28.5 1.271 38.1 1.930 51.47 4 0.869 21.5 1.092 26.7 1.525 36.2 2.045 46.0 2.945 53.9 5 1.360 26.9 1.657 32.5 2.219 42.2 2.881 51.9 4.010 64.16 6 1.909 31.5 2.326 38.3 2.960 46.9 3.758 56.4 5.109 68.12 7 2.500 35.4 2.950 41.3 3.738 50.7 4.666 60.0 6.230 71.2 8 3.128 38.7 3.649 44.7 4.534 53.9 5.597 63.0 7.369 73.69 9 3.783 41.6 4.454 48.5 5.370 56.7 6.546 65.5 8.522 75.75 10 4.461 44.2 5.092 49.9 6.216 59.1 7.511 67.6 9.685 77.48 11 5.160 46.4 5.825 51.9 7.076 61.1 8.487 69.4 10.85 78.96 12 5.876 48.5 6.587 53.8 7.950 62.9 9.474 71.1 12.036 80.24 13 6.607 50.3 7.401 55.8 8.835 64.4 10.470 72.5 13.222 81.37 14 7.352 52.0 8.200 57.4 9.730 66.0 11.474 73.8 14.413 82.36 15 8.108 53.5 9.0009 58.9 10.623 67.2 12.484 74.9 15.608 83.24 16 8.875 54.9 9.828 60.1 11.544 68.5 13.500 75.9 16.807 84.03 17 9.652 56.2 10.656 61.4 12.461 69.6 14.422 76.9 18.010 84.75 18 10.437 57.4 11.491 62.6 13.385 70.6 15.548 77.7 19.216 85.40 19 11.230 58.9 12.333 63.6 14.315 71.5 16.579 78.5 20.424 86.00 20 12.031 59.5 13.181 64.6 15.249 72.4 17.163 79.3 21.635 86.54 第6页（共 6 页）