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时间:2020-03-27
《一种林业手持式多功能测树仪设计.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、78传感器与微系统(TransducerandMicrosystemTechnologies)2014年第33卷第i期一种林业手持式多功能测树仪设计邢浩,李昀,潘远明,陈名腾(1.北京林业大学信息学院,北京100083;2.中科方德软件有限公司基础软件国家工程研究中心。北京100190)摘要:针对森林调查对便携式测量设备自动化和集成化的需求,设计了一种集测高器、角规和标准蓄积量计算功能于一体,具有测量、数据存储、计算等多种功能的手持式多功能电子测树仪GForest。该仪器通过采样控制算法实现对测高器防抖动设计,采用计数器存储并控制角规计数结果,
2、提供USB接口同Pc和移动智能终端设备进行数据共享,旨在解决目前森林地面调查数据采集硬件设备信息化与数据采集软件发展不同步的问题,大幅减少了外业调查中手工数据记录和录入的工作,提高了野外数据采集的效率。经实测验证:GForest测得的立木高度与实际值的平均误差为4%,与进口同类设备精度持平,同时还具有角规绕测计数与控制等实用功能,且具有明显的成本优势,适合在行业内推广应用。关键词:林业信息化;多功能测树仪;嵌入式系统中图分类号:11P311文献标识码:A文章编号:1000-9787(2014)O1--0078-04Design0fahand-h
3、eldtypemultifunctionaldendrometer⋯■I■·appliedintorestryXINGHao,LIYun,PANYuan.ming,CHENMing—teng(1.SchoolofInformationScienceandTechnology,BeijingForestryUniversity,Beijing100083,China;2.NationalEngineeringResearchCenterofFundamentalSoftware.NFS.ChinaSoftwareCoLtd,Beijing1001
4、90,China)Abstract:Aimingatdemandofautomationandintegrationofportableequipmentsusedinforestsurvey,ahand—heldtypemuhifunctionalgauge,GForest,isdesignedwithaprototype.GForestintegratesheightindicator,anglegaugeandthecomputationofforeststand’svolumealltogetherandthushasfunctions
5、includingmeasurement.datastorageandcamputationandotherfunctions.GForestrealizesanti—shakedesignthroughsamplingcontrolalgorithm,usecountertostoreandcontrolresultofanglegaugecountingandsharedataswithotherequipmentssuchasPCsandmobileintelligentterminalthroughUSBport,aimingtosol
6、veproblemofdesynchronyofdevelopmentofinformationizationofhardwareequipmentsusedfordatacollectioninforestgroundsurveyanddatacollectionsoftware.Bythisdesign,GForestcanreducehandworksofdatarecordingandtyping-ininforestoutdoorsurveybyalargeextentandimproveeficiencyofoutdoordatac
7、ollection,throughtestandverification,thetestedaverageerroroftreeheightmeasurementusingGForestis4%.whichshowsthesameoutstandingperformanceasthesimilarimportdevices,furthermore,ithasutilityfunctionsofanglegaugewindingtestandcontrol,andhasobviousadvantageincostwhichmakesGForest
8、suitableforapplicationinindustry.Keywords:forestryinformation;multifunction
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