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1.The calibration of active antenna by using RF matrix switch built in test system is discussed in this paper. The BIT system is a series travelling wave network. Appearing of large side lobe at the angle θ=sin -1 (λ/λg) is analyzed.
阐述了用串馈矩阵开关BIT测试系统对有源相控阵天线的检测和校正 ,分析了校正时在角度θ =sin- 1(λ/λg)出现大副瓣的原因 ,并提出了通过软件进行补偿的方法收藏指正
2.Switch on phone A and place it on the table such that the antenna (the pokey thing at the top) is about half an inch from the egg.
开启手机A并将之放在桌上使其天线部分（头上突起部分）距离蛋杯半英寸。收藏指正
3.The leading product has the automobile sound coupling, theautomobile antenna plug, meets the plug-in unit, the electronicelectric appliance group of lines, F plug (high frequency tuner), lightly touches the switch, the loudspeaker wiring column, the powerswitch, the earphone receptacle and so on, the product widely appliesto the vehicle carries the video and music, DVB domain and so onbox, domestic electric appliances, computer, automobile, communicationequipment.
主导产品有汽车音响连接器、汽车天线插座、接插件、电子电器线束、F头插座（高频头）、轻触开关、喇叭接线柱、电源开关、耳机插口等，产品广泛应用于车载影音、机顶盒、家用电器、计算机、汽车、通讯设备等领域。收藏指正
4.Switch on phone A and place it on the table such that the antenna (the pokey thing at the top) is about half an inch from the egg (you may need to experiment to get the relative heights correct - paperbacks are good if you have any - if not you may be able to get some wood off cuts from your local hardware shop).
打开手机A并把它放到桌上，让它的天线（头上凸起的部分）离鸡蛋大约半英寸远（你需要试着调整来得到它们正确的相对高度-如果你有一些书本将会很好-如果没有书本你可以从本地的杂货店弄一些锯好的木块）。收藏指正
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