VDI波导标准频段划分和分组，里面包含WR-28 7112 3556 21.1 26.5 40 0.008 0.006 Ka WR-22 5690 2845 26.35 33 50 0.012 0.008 Q WR-19 4775 2388 31.39 40 60 0.015 0.010 U WR-15 3759 1880 39.88 50 75 0.022 0.015 V WR-12 3099 1549 48.47 60 90 0.030 0.020 E WR-10 2540 1270 59.