| 1. | Bluetooth module scheme based on siw1502 and siw 1602的蓝牙模块方案
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| 2. | Design and simulation of a novel siw narrowband bandstop filter 窄带带阻滤波器的设计和仿真研究
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| 3. | Therefore analysis of resonator was predigested . graphs of the external q and coupling coefficient between resonators were created 分析并创建了siw谐振器的外部q值、谐振器间的耦合系数随耦合结构尺寸变化的曲线图。
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| 4. | The siw was analysed by the poynting ’ s theorem and eda software . the relation between the leakage of electromagnetism energy and structure size was obtained 从理论和软件仿真上充分分析基于siw结构的谐振器滤波器的基础电路。
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| 5. | Two high q bandpass filters at millimeter wave band based on substrate integrated waveguide ( siw ) and low temperature co - fired ceramics ( ltcc ) are designed in this thesis , and one is realized 本文主要讲述了基于介质集成波导( siw )技术和ltcc工艺的毫米波频段高q滤波器的研制。
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| 6. | Finally , a chebyshev function bpf with siw resonator was designed and realized by ltcc with 12 - layer substrate . a high performance elliptic function bpf with siw resonator was designed 在分析ltcc集成高q滤波器实验结果的基础上,设计了一个基于siw技术的9层基片的高性能的椭圆函数滤波器。
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| 7. | A transition of microstrip to waveguide based on siw technique was processed with ltcc to validate the feasibility of siw . then , a siw resonator was analyzed . the equivalent electrical wall of metallized via arrays was obtained 从对空气填充siw谐振器的分析,得到在ferroa6m材料中构成谐振器的金属排孔等效电壁的位置,得到简化的计算siw谐振器的模型。
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| 8. | On the other hand , waveguide could compose high quality components but hard to be integrated for their huge volume . substrate integrated waveguide ( siw ) is a new kind of microwave transmission line in these years which can be widely used in microwave and millimeter wave circuit 基片集成波导( substrateintegratedwaveguide ,简称siw )是一种近年内出现的新型微波传输结构,可以广泛地应用于微波及毫米波电路中
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| 9. | The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength , the dissipation loss of radiation is very small . it acts like a rectangular waveguide filled with some dielectrics , so components which can be composed by rectangular waveguide can also composed by siw such as antenna , filter , power divider , coupler , resonator 基片集成波导的基本概念是利用基片的上下金属板和两排间隔一定距离的金属孔构成波导的金属壁,由于每排金属孔孔间距远小于波长,因此由缝隙泄漏的能量很小,这相当于内部填充了介质的矩形波导,所以能够用矩形普通波导实现的结构也都可以用基片集成波导来实现,比如功分器、滤波器、天线、耦合器、振荡器等。
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| 10. | Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw , a narrow bandstop filter is designed and simulated , get characteristic of narrow - band bandstop filtering . for example , relative bandwidth 1 . 2 % , most attenuation of 48db in band . electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics , siw features high - pass characteristics , so bandpass filters can be composed by combing ebg and siw 本论文提出了两种基片集成波导滤波器结构:将传统的腔体滤波器概念运用于基片集成波导结构,设计出了一种窄带带阻滤波器,对其进行仿真,得到了窄带带阻滤波特性,如相对带宽为1 . 2 % ,最大衰减为48db 。
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