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1、大學(xué)畢業(yè)設(shè)計1前言.............................................................................................................................................21總體方案設(shè)計..............................................................
2、.........................................................31.1方案論證....................................................................................................................41.1.1傳感器..............................
3、...............................................................................41.1.2主控部分.........................................................................................................42硬件電路的設(shè)計.................
4、..................................................................................................52.1電源電路..................................................................................................................
5、..52.2溫度采集電路............................................................................................................62.2.1DS18B20簡介.....................................................................................
6、.............62.2.2電路設(shè)計.........................................................................................................82.2.3無線傳輸電路模塊..............................................................................
7、...........93無線發(fā)送與接收電路...........................................................................................................93.1無線發(fā)送電路.................................................................................
8、...........................93.2無線接收模塊..........................................................................................................104顯示電路......................................................................
9、.......................................................114.1字符型液晶顯示模塊..............................................................................................114.2字符型液晶顯示模塊引腳.........................................
10、.............................................114.3字符型液晶顯示模塊內(nèi)部結(jié)構(gòu)..............................................................................125單片機(jī)AT89S52..................................................................
11、................................................135.1AT89S52簡介...........................................................................................................135.2AT89S52引腳說明...................................
12、................................................................146軟件設(shè)計.............................................................................................................................166.1系統(tǒng)概述...............
13、...................................................................................................166.2程序設(shè)計流程圖......................................................................................................166.3溫度
14、傳感器多點數(shù)據(jù)采集......................................................................................177調(diào)試及結(jié)果.....................................................................................................................
15、....177.1測試環(huán)境及工具......................................................................................................177.2測試方法.............................................................................................
16、.....................177.3測試結(jié)果分析..........................................................................................................178總結(jié).............................................................................
17、........................................................18附錄1：電路原理總圖..........................................................................................................19附錄2：發(fā)射部分主程序.................................
18、.....................................................................20附錄3：接收部分主程序......................................................................................................26參考文獻(xiàn)..............................
19、.....................................................................................................31大學(xué)畢業(yè)設(shè)計3DesignDesignimplementationimplementationofofwirelesswirelessdatadataacquisitionacquisitionsystemsystemAbstract
20、:Abstract:sincethewiderangeofdataacquisitionsystemwhichinvolvesthemeasurementsignalthetypeofsignalsourcememeSurveysareincreasinglyhighrequirementsofthedomesticnowhavealotofdataacquisitionmeasurementsystemButtherearemanys
21、inglefunctionsystemscollectinglessaccesslowcollectionratecomplicatedoperationsthedemsofthetestenvironmentotherissuesItrequiresabroadscopeofapplicationhighreliabilitylowcostdataacquisitionsystemBasedontheanalysisoftheacte
22、risticsofdifferenttypesofSCMSCMPCcommunicationtechnologySCMcontrolofthecollectionsystemdesignedadoptedMCUserialcommunicationbetweenPCcommunicationsDatatransmissiondisplayofdatastedonthePCSinglecompletedthemultichanneldat
23、aacquisitionsystemdesignimplementation.BasedonSCM′smultichanneldataacquisitionsystemisadoptedwillcomefromthesenssignalamplificationlinearfilteringAfterprocessingmaintainsynchronoussamplingwhichconvertedtodigitalsignalinp
24、utADconversionbySCMAcquisitionThenSCMPCtoPCcommunicationsdatatothedatastagepostprocessingdisplay.apowerfuldataprocessingvisualshowsfriendlyinterfacehighperfmancepriceratioawiderangeoffeatures.canbewidelyusedinindustrialc
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