剩磁儀 的英文怎麼說
中文拼音 [shèngcíyí]
剩磁儀
英文
remanent magnetometer-
Company was set up in 1997, as a high - tech enterprise with ability of reserch, development and manufacture, it was set up for limited company in 2006, and has passed iso9001 : 2000 quality adminis - tration system certification. company have professional works, excellent process equipments, perfect checkout apparatus, and produces all sorts of premanent magnetic chuch, electro magnetic chuch, rectiffication ` s manipulator and magnetic removal with adwantages of advanced designment, long longevity, big suction and small remanence. the quality has passed the certification of china quality test association and china quality indemnify center
公司成立於1997年，是一家集科研開發生產為一體的高科企業， 2006年組建為有限公司，並通過iso9001 : 2000質量體系認證，公司擁有專業的技術人員，精良的加工設備，完善的檢測儀器，所生產的各種永磁吸盤、電磁吸盤、整流控制器、退磁器等磁性工具，具有設計先進、壽命長、吸力大、剩磁小等特點，質量通過中國質量檢驗協會，中國質量保障中心認證。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。
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