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1、如何设计好的内置天线如何设计好的内置天线Done by/Filtronic LK OyDatePIFA short circuited /4 resonator compact structure （短接电路 /4 谐振片紧凑的结构）omnidirectional in horizontal plane（水平面的全方向性）co- and crosspolarisations（同向和交叉极化）Multiresonant（多谐的）Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyri
2、ght 2004-2011 Aspose Pty Ltd.CONFIDENTIALDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateDone by/Filtronic LK OyDateRule No. 7 （规则 7）Dont “shield” pads or try to minimize shielding（不要屏蔽焊
3、点或是试图减少遮护板）Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.CONFIDENTIALDone by/Filtronic LK OyDateRule No. 8 （规则 8）Let the radiators edges “see” free edge of ground plane as much as possible, maybe even reach over the ground planes ed
4、ge（发射片的边缘尽可能接近接地片的边缘，甚至发射片可以超出接地片的边缘）Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.CONFIDENTIALDone by/Filtronic LK OyDateRule No. 9 （规则 9）All metals of the chassis have to be properly grounded to avoid power losses and additional n
5、on-radiating resonances. Pay special attention to RF-gaskets.（手机的所有金属必须正确的接地，避免能量损失，和附加的不辐射的谐振。关注射频垫圈。）Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.CONFIDENTIALDone by/Filtronic LK OyDateRule No. 10 (规则 10)Let the space between rad
6、iator and ground plane be filled with air as much as possible, in other words use as little support material as possible（使发射片和接地片之间的空间尽可能多地被空气填充，即使用尽可能少的支撑物。） Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.CONFIDENTIAL结束语结束语谢谢大家聆听！谢谢大家聆听！13
