电子测量技术
電子測量技術
전자측량기술
Electronic Measurement Technology
2015年
10期
64-67
,共4页
动圈检波器%直流激励法%FPGA%ADS1282%网口
動圈檢波器%直流激勵法%FPGA%ADS1282%網口
동권검파기%직류격려법%FPGA%ADS1282%망구
moving-coil geophone%DC excitation method%FPGA%ADS1282%ethernet
为了能随时在实验室及野外施工现场对动圈检波器进行参数测试,给出了基于直流激励法原理、以 CycloneⅢ EP3C40F780和 ADS1282等为硬件的动圈检波器参数测试仪的设计方案。该测试仪利用现场可编程门阵列(FPGA)作为主控制器,FPGA 将接收到来自 ADS1282采集处理的数据通过网口传给 PC,软件对传来的数据进行处理可以得到动圈检波器的阻尼比、自然频率、灵敏度等7个参数,并实时保存。用该测试仪对 LGT20D 系列检波器进行了测试,结果表明该测试仪对小阻尼检波器参数测试有较高的准确性。
為瞭能隨時在實驗室及野外施工現場對動圈檢波器進行參數測試,給齣瞭基于直流激勵法原理、以 CycloneⅢ EP3C40F780和 ADS1282等為硬件的動圈檢波器參數測試儀的設計方案。該測試儀利用現場可編程門陣列(FPGA)作為主控製器,FPGA 將接收到來自 ADS1282採集處理的數據通過網口傳給 PC,軟件對傳來的數據進行處理可以得到動圈檢波器的阻尼比、自然頻率、靈敏度等7箇參數,併實時保存。用該測試儀對 LGT20D 繫列檢波器進行瞭測試,結果錶明該測試儀對小阻尼檢波器參數測試有較高的準確性。
위료능수시재실험실급야외시공현장대동권검파기진행삼수측시,급출료기우직류격려법원리、이 CycloneⅢ EP3C40F780화 ADS1282등위경건적동권검파기삼수측시의적설계방안。해측시의이용현장가편정문진렬(FPGA)작위주공제기,FPGA 장접수도래자 ADS1282채집처리적수거통과망구전급 PC,연건대전래적수거진행처리가이득도동권검파기적조니비、자연빈솔、령민도등7개삼수,병실시보존。용해측시의대 LGT20D 계렬검파기진행료측시,결과표명해측시의대소조니검파기삼수측시유교고적준학성。
In order to be able to measure the parameters of the moving-coil geophone at any time in the lab and field construction site,based on DC excitation method,this paper gives a design scheme of moving-coil geophone parameter tester using Cyclone ⅢEP3C40F780 and ADS1282 as its hardware.As the main controller of the tester,The field programmable gate array(FPGA) receives data from ADS1282 and sends them to PC through Ethernet.After being processed by software,parameters of geophone will be got and saved.In this paper,a series of LGT20D geophones were tested by this tester.The results show that the geophone parameter tester has high accuracy in small-damping geophone test.
