天線基礎(chǔ)_1.ppt_第1頁(yè)
天線基礎(chǔ)_1.ppt_第2頁(yè)
天線基礎(chǔ)_1.ppt_第3頁(yè)
天線基礎(chǔ)_1.ppt_第4頁(yè)
天線基礎(chǔ)_1.ppt_第5頁(yè)
已閱讀5頁(yè)，還剩44頁(yè)未讀， 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

天線基礎(chǔ) XiaogangWuxiawu 思科無(wú)線產(chǎn)品天線 FCCrequiresthatALLantennassoldbyaspreadspectrumvendorbecertifiedwiththeradiotheyaretobesoldwithAllCiscoAironet suppliedcables RFdevicesandantennashavereverseTNC RP TNC connectorsCiscoAironet suppliedantennasmeetallFCCrulesWidevarietyantennasformostapplications 天線概念 DirectionalityOmni 360degreecoverage directionalDirectional limitedrangeofcoverage GainMeasuredindBianddBd 0dBd 2 14dBi Moregainmeansmorecoverage incertaindirectionsPolarizationAntennasareusedintheverticalpolarization 天線增益 Inlifeyouneverget somethingfornothing thesameistrueinantennagain Ifthegainofanantennagoesup thecoverageareaoranglegoesdown Coverageareasorradiationpatternsaremeasuredindegrees Theseanglesarereferredtoasbeamwidth andhaveahorizontalandverticalmeasurement 天線理論 isotropic天線 Atheoreticalisotropicantennahasaperfect360degreeverticalandhorizontalbeamwidth ThisisareferenceforALLantennas 天線理論 Dipole Toobtainomni directionalgainfromanisotropicantenna theenergylobesare pushedin fromthetopandbottom andforcedoutinadoughnuttypepattern Thehigherthegain thesmallertheverticalbeamwidth andthelargerthehorizontallobeareaThisisthetypicaldipolepattern Gainofadipoleis2 14dBi 0dBd 高增益全向天線HighgainOmni Directionals Highgainomni directionalantennaswillcreatemorecoverageareainawayfromtheantenna buttheenergyleveldirectlybelowtheantennawillbecomelower Coverageheremaybepoor 定向天線DirectionalAntennas Fordirectionalantennasthelobesarepushedinacertaindirection causingtheenergytobecondensedinaparticulararea Verylittleenergyisinthebacksideofadirectionalantenna 常用2 4GAP天線 RP TNC接口 2 4G全向天線AIR ANT5959 2dBiIndoorDivers OmniCeilingAnt w RP TNCConnect LeftAntennaPatterns RightAntennaPatterns 2 4GhzOmni DirectionalAntennas 5 2dBiIndoorPillarMountDiversityCiscoAironetPart AIR ANT3213 2 4G定向天線AIR ANT2410Y R 10dBiIndoor outdoorWall MastMountYAGIYagiwithRP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4GhzOmni DirectionalAntennas 5 2dBiIndoorCeilingMountCiscoAironetPart AIR ANT1728 2 4Ghz全向天線AIR ANT4941 2 2dBiIndoorDipole StandardRubberDuck CiscoAironetPart AIR ANT4941 2 4G全向天線AIR ANT2422DW R 2 2dBiIndoorWhiteDipoleAntennaw RP TNCConnect AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4G定向天線AIR ANT2485P R 8 5dBiIndoor outdoorWallMountPatchAntennaw RP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4G定向天線AIR ANT2460P R 6dBiIndoor outdoorWallMountDirectionalPatchAntennaw RP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4G定向天線AIR ANT2465P R 6 5dBiIndoor outdoorWallMountDiversityPatchAntennaw RP TNCConnectors LeftAntennaPatterns RightAntennaPatterns 常用5GAP天線 RP TNC接口 5G全向天線AIR ANT5135D R 3 5IndoordBiDipoleomnidirectionalcoverageBlackDipoleAntennaw RP TNCconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5G全向天線AIR ANT5135DW R 3 5dBiIndoorDipoleomnidirectionalcoverageWhiteDipoleAntennaw RP TNCConnect AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5G全向天線AIR ANT5145V R 4 5dBiIndoorDiversityOmnidirectionalDiversityOmniw RP TNCconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5G全向天線AIR ANT5160V R 6dBiIndoor outdoorOmnidirectionalOmniAntennaw RP TNCconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5G定向天線AIR ANT5170P R 7 0dBiDiversityIndoor outdoorPatchWallMountDiversityPatchAntennaw RP TNCconnectors AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5G定向天線AIR ANT5195P R 9 5dBiIndoor outdoorPatchWallorArticulatingMastMountPatchAntennaw RP TNCconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 常用2 4G和5G 5 8GAP和網(wǎng)橋天線 N接口 5G全向天線AIR ANT5175V N 7 5dBioutdoorOmnidirectionalOmniwithNConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4G全向天線AIR ANT2455V N 5 5dBioutdoorOmnidirectionalOmniAnt withNConnect AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5 8G全向天線AIR ANT58G9VOA N 9dBioutdoorMASTMountOmnidirectionalOmniAntennawithNconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5 8G定向天線AIR ANT58G10SSA N 9 5outdoordBiMastMountSectorMastMountSectorwithNconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 5 8G定向天線AIR ANT58G28SDA N 28dBioutdoorMastMountDish 5 8GHzDishAntennawithNconnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 常用2 4G網(wǎng)橋天線 RP TNC接口 2 4GhzOmni DirectionalAntennas 5 2dBiOutdoorMastMountVerticalCiscoAironetPart AIR ANT2506 2 4G全向天線AIR ANT24120 12dBioutdoorMastMountOmnidirectionalOmniMastMt Antennaw RP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4G定向天線AIR ANT2414S R 14dBioutdoorMastMountSectorSectorAntennaw RP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern 2 4GhzDirectionalAntennas 13 5dBioutdoorYagiAntenna 25degreeCiscoAironetPart AIR ANT1949 AIR ANT3338 21dBioutdoorMastMountParabolicDishSolidDishAntennaw RP TNCConnector AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern AP和網(wǎng)橋內(nèi)置天線 Aironet1310內(nèi)置2 4G定向天線 13dBi2x2PatchArray AzimuthPlaneRadiationPattern ElevationPlaneRadiationPattern CISCOAIRONET1130SERIESINTEGRATEDANTENNA CISCOAIRONET1000SERIESINTEGRATEDANTENNA 網(wǎng)絡(luò)資源 CiscoAironetAntennaReferenceGuide 2 4GhzOmni DirectionalAntennas 2 2dBiCeilingMountCiscoAironetPart AIR ANT3194 2 4GhzDirectionalAntennas 8 5dBiPatchAntenna 55degreeCiscoAironetPart AIR ANT3549 HPlaneEPlane 2 4GhzOmni DirectionalAntennas 5 2dBiGroundPla

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間，僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

最新文檔

評(píng)論

0/150

提交評(píng)論