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1、搿諮辛扇豎岳擠漕躑曛嫉嚀樵岔翻譯部分燥市刎瀚釔噶崴專鑒盛禿賧佻芰英文原文命旬逸螫謎奶閏郵活尹翮房佴朽CoalFaceWirelessSensorNetworkPhysicalLayerDesignBasedOnUWBTechnology獠曝諾圓政奇駢鴇汞鳙搛該豌炅Abstract脒槳綃雙碣茱癃裎恣魴仝氈姿賾Inordertoguaranteethesafetyofcoalfaceproduction,itisnecessarytomonitorandsurveillancefaceShearer,scrapertransportplanes,hydraulicsupport,tr
2、ansportmachines,brokenmachinesetc.Atpresent,itisdifficultforthecabletransmissionmodetoadapttochangesintheworksiteofthecoalface.Transmissionlinesareoftendamagedandsnappedforvariousfactors,weusewirelesssensornetwork(WSN),whichisflexibletobeplacedandextensible,toresolvethisproblem.Thispaperdiscu
3、ssthedesignoftheWSNtransceiverforcoalfacewithUWBtechnology.Thiskindoftransceiverhassomeusefuladvantagesuchaslowcost,lowpowerconsumption,simplestructure,easytoimplementthedesignofthehardware,noneedtoestimatethecoalfaceChannelcharacteristics.However,detectionefficiencyisslightlylower,buttheerro
4、rratecanmeettherequirement.哉很茇墩禪靶萆荽縭瞀含圃帖棰1.Introduction棣颼紈鄶式挺霰彩濠羌吝腠坑溜Coalfacemustfacethecomplicatedgeologicalconditionsandpoorworkingconditions.Inordertoensurethesafetyofproductioninthecoalface,itisnecessarytomonitorreal-timethefaceShearer,scrapertransportmachine,hydraulicsupport,reprintmachi
5、ne,brokenmachinesandotherlargeequipments.Inaddition,wemustmonitorthegroundpressure,gas,carbonmonoxide,dustandotherenvironmentalparameters.Atthesametime,mobilevoiceandimagecommunicationsisrequired.Atpresent,thesignalmonitoredandderivedfromthecoalfaceistransmittedbycable.Asthefaceismovingconsta
6、ntlyandthegoingofthecoalminingprocess,allkindsoflarge-scaleironandsteelequipmentsinthecoalfaceneedtobeboostedcircularlyandcontinually.Theshapeofthespaceisconstantlychangingwiththechangeoftherelativepositionoftheequipments.Correspondingly,communicationincableisdifficulttobeapplicablewiththewor
7、kingscenechanging,sotransmissionlinesisdamagedorsnappedfrequently,andthecoalfacemobilevoiceandimagecommunicationisimpossible.AlltheseissuescausemanylatenttroubletotheSafetyoftheproduction.Wethinkwirelesssensornetwork(WSN)isfeasibletoimplement