空间损耗公式(900MHz) | 空间损耗公式(1900MHz) | |||||||||||
LS(dB)=32.4+20logF(MHZ)+20logD(Km) | LS(dB)=32.4+20logF(MHZ)+20logD(Km) | |||||||||||
1 | 31.48 | 200 | 77.51 | 4000 | 103.53 | 1 | 37.98 | 200 | 84.00 | 4000 | 110.02 | |
2 | 37.51 | 250 | 79.44 | 4500 | 104.55 | 2 | 44.00 | 250 | 85.93 | 4500 | 111.04 | |
3 | 41.03 | 300 | 81.03 | 5000 | 105.46 | 3 | 47.52 | 300 | 87.52 | 5000 | 111.95 | |
4 | 43.53 | 350 | 82.37 | 5500 | 106.29 | 4 | 50.02 | 350 | 88.86 | 5500 | 112.78 | |
5 | 45.46 | 400 | 83.53 | 6000 | 107.05 | 5 | 51.95 | 400 | 90.02 | 6000 | 113.54 | |
6 | 47.05 | 450 | 84.55 | 6500 | 107.74 | 6 | 53.54 | 450 | 91.04 | 6500 | 114.23 | |
7 | 48.39 | 500 | 85.46 | 7000 | 108.39 | 7 | 54.88 | 500 | 91.95 | 7000 | 114.88 | |
8 | 49.55 | 550 | 86.29 | 7500 | 108.99 | 8 | 56.04 | 550 | 92.78 | 7500 | 115.48 | |
9 | 50.57 | 600 | 87.05 | 8000 | 109.55 | 9 | 57.06 | 600 | 93.54 | 8000 | 116.04 | |
10 | 51.48 | 650 | 87.74 | 8500 | 110.07 | 10 | 57.98 | 650 | 94.23 | 8500 | 116.56 | |
20 | 57.51 | 700 | 88.39 | 9000 | 110.57 | 20 | 64.00 | 700 | 94.88 | 9000 | 117.06 | |
25 | 59.44 | 750 | 88.99 | 9500 | 111.04 | 25 | 65.93 | 750 | 95.48 | 9500 | 117.53 | |
30 | 61.03 | 800 | 89.55 | 10000 | 111.48 | 30 | 67.52 | 800 | 96.04 | 10000 | 117.98 | |
35 | 62.37 | 850 | 90.07 | 35 | 68.86 | 850 | 96.56 | |||||
40 | 63.53 | 900 | 90.57 | 40 | 70.02 | 900 | 97.06 | |||||
45 | 64.55 | 950 | 91.04 | 45 | 71.04 | 950 | 97.53 | |||||
50 | 65.46 | 1000 | 91.48 | 50 | 71.95 | 1000 | 97.98 | |||||
55 | 66.29 | 1500 | 95.01 | 55 | 72.78 | 1500 | 101.50 | |||||
60 | 67.05 | 2000 | 97.51 | 60 | 73.54 | 2000 | 104.00 | |||||
65 | 67.74 | 2500 | 99.44 | 65 | 74.23 | 2500 | 105.93 | |||||
70 | 68.39 | 3000 | 101.03 | 70 | 74.88 | 3000 | 107.52 | |||||
100 | 71.48 | 3500 | 101.87 | 100 | 77.98 | 3500 | 108.86 | |||||
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