便携式近地表频率域电磁法仪器研究现状与发展趋势

柳建新; 严发宝; 苏艳蕊; 曹创华

doi:10.6038/cjg20171123

便携式近地表频率域电磁法仪器研究现状与发展趋势

- 1.
  中南大学地球科学与信息物理学院, 长沙 410083
- 2.
  有色资源与地质灾害探查湖南省重点实验室, 长沙 410083
- 3.
  山东大学(威海)机电与信息工程学院, 山东威海 264209
- 4.
  山东大学空间科学研究院, 山东威海 264209
基金项目:
国家科技基础性工作专项（2013FY110800），国家自然科学基金（41674080，41574123），中国博士后科学基金资助项目（2016M600538），山东省自然科学基金（ZR2017PD010，ZR2017PA004）资助

详细信息

作者简介:
柳建新, 男, 1962年生, 湖南岳阳人, 教授, 博导, 现主要从事电磁法理论与应用研究工作.E-mail:ljx6666@126.com

通讯作者: 严发宝, 男, 1985年生, 博士, 硕导, 研究方向为地球物理仪器与观测技术, 信号获取与嵌入式实时并行处理技术.E-mail:hjc-8555@sdu.edu.cn

中图分类号: P631

收稿日期: 2016-12-23

修回日期: 2017-08-22

上线日期: 2017-11-05

Research status and development trend of the portable near-surface FDEM instrument

- 1.
  School of Geosciences and InfoPhysics, Central South University, Changsha 410083, China
- 2.
  Hunan Key Laboratory of Non-ferrous Resources and Geological Hazard Detection, Changsha 410083, China
- 3.
  School of Mechanical, Electrical & Information Engineering, Shandong University, Shandong Weihai 264209, China
- 4.
  Institute of Space Sciences, Shandong University, Shandong Weihai 264209, China

More Information

Corresponding author: YAN Fa-Bao, E-mail: hjc-8555@sdu.edu.cn

Received Date: 23 December 2016

Revised Date: 22 August 2017

Available Online: 05 November 2017

摘要

摘要:
本文介绍了便携式近地表FDEM（频率域电磁法）仪器的应用需求、构成原理与特点、研究现状及新技术动态，强调了可靠性在实际应用中的重要性，对仪器研制过程中涉及的硬件、软件与结构三个部分的可靠性问题进行了深入探讨，并分别给出相应的解决措施.分别讨论了以不断进步的嵌入式技术、模拟技术、并行处理技术、无线通信技术及分布式设计技术等为代表的新技术对便携式近地表FDEM仪器性能指标的影响，明确了从集成度、功耗、精度、处理能力等方面提升便携式近地表FDEM仪器的整体性能是未来发展的方向，以期早日使得具有中国自主知识产权的便携式近地表FDEM仪器实现产业化，为新丝绸之路发展做出贡献.采用新设计理念，结合有效的新技术将提高近地表FDEM电磁勘探仪器的综合指标.可以预见，便携式近地表FDEM仪器功耗性能将会堪比现有智能手机功耗性能，勘探深度范围更广，分辨率更高，体积更小，更加便于携带和使用.
- 便携式近地表FDEM仪器 /
- FPGA /
- 无线通信 /
- DSP /
- 可靠性
Abstract:
For the near-surface FDEM instrument, we review its principle, features, applications and the development trend, particularly the reliability of its applications. We discuss the reliability issue of this instrument in three aspects of the hardware, software, and structure, respectively. We illustrate the new technologies on near-surface FDEM instrument exhaustively, including the progressive embedded technology, simulation technology, parallel processing technology, wireless communication technology and distributed design technology. We point out the improvement of the integrated level, power consumption, precision and processing ability of the system, which represent future research directions of the instrument. With a novel design, the near-surface FDEM instruments by combining effective technologies can be further improved. We expect that this new instrument can observe deeper targets, and has higher resolution than earlier instruments. It will be portable and easy to operate due to its small size, with power consumption comparable to a smart-cell phone.
- The portable near-surface FDEM instrument /
- FPGA /
- Wireless communication /
- DSP /
- Reliability

HTML全文

图 1
FDEM仪器中的电磁感应原理

Figure 1.
Principle of electromagnetic induction in FDEM instrument

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图 2
FDEM仪器同心圆收发

Figure 2.
Concentric receiver and transmitter of FDEM instrument

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图 3
FDEM仪器扁担式收发

Figure 3.
Elongated receiver and transmitter of FDEM instrument

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图 4
FDEM仪器发射频率与探测深度的关系

Figure 4.
Relationship among source frequency, ground conductivity, and exploration depth

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图 5
分布式近地表FDEM仪器工作图

Figure 5.
Distributed near-surface FDEM instrument

下载: 全尺寸图片幻灯片

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