电压驻波比回波损耗发射功率反射功率对应数字表
时间:2016-12-08 09:33 来源:无线对讲系统 作者:讯罗通信 点击:次
对讲机或车台天线的电压驻波比和反射损耗、传输损耗、传输功率、反射功率有怎样的对应关系呢。请看下图
(dB) (dB) (COEFF) (℅) (℅) 1.00 .00 .000 .00 100.0 .0 1.01 46.1 .000 .00 100.0 .0 1.02 40.1 .000 .01 100.0 .0 1.03 36.6 .001 .01 100.0 .0 1.04 34.2 .002 .02 100.0 .0 1.05 32.3 .003 .02 99.9 .1 1.06 30.7 .004 .03 99.9 .1 1.07 29.4 .005 .03 99.9 .1 1.08 28.3 .006 .04 99.9 .1 1.09 27.3 .008 .04 99.8 .2 1.10 26.4 .010 .05 99.8 .2 1.11 25.7 .012. .05 99.7 .3 1.12 24.9 .014 .06 99.7 .3 1.13 24.3 .016 .06 99.6 .4 1.14 23.7 .019 .07 99.6 .4 1.15 23.1 .021 .07 99.5 .5 1.16 22.6 .024 .07 99.4 .6 1.17 22.1 .027 .08 99.4 .6 1.18 21.7 .030 .08 99.3 .7 1.19 21.2 .033 .09 99.2 .8 1.20 20.8 ..036 .09 99.2 .8 1.25 19.1 .054 .11 98.8 1.2 1.3 17.7 .075 .13 98.3 1.7 1.4 15.6 .12 .17 97.2 2.8 1.50 14.0 .177 .20 96.0 4.0 1.60 12.7 .238 .23 94.7 5.3 1.70 11.7 .302 .26 93.7 6.7 1.80 10.9 .370 .29 91.8 8.2 1.90 10.2 .440 .31 90.4 9.6 2.00 9.5 .512 .33 88.9 11.1 3.00 6.0 1.294 .50 76.0 25.0 4.00 4.4 1.930 .60 64.0 36.0 5.00 3.5 2.553 .67 55.6 44.4 6.00 2.9 3.100 .71 49.0 51.0 7.00 2.5 3.590 .75 43.7 56.2 8.00 2.2 4.033 .78 39.5 60.5 9.00 1.9 4.437 .80 36.0 64.0 10.00 1.7 4.807 .82 33.1 66.9 15.00 1.2 6.301 .88 23.4 76.6 20.00 .9 7.413 .90 18.1 81.9 25.00 .7 8.299 .92 14.8 85.2 30.00 .6 9.035 .94 12.5 87.5 (责任编辑：无线对讲) |
