Design of Induction Magnetometer Receiving Sensor for Through-the-Earth Communications

Author

Bin Yan ; Wanhua Zhu ; Leisong Liu ; Kai Liu ; Guangyou Fang

Author_Institution

Univ. of Chinese Acad. of Sci., Beijing, China

Volume

15

Issue

2

fYear

2015

fDate

Feb. 2015

Firstpage

1139

Lastpage

1144

Abstract

A narrowband, high sensitivity, and low-power consumption induction magnetometer (IM) receiving sensor is designed, built, and tested for through-the-Earth (TTE) communications in this paper. The optimization method is described mathematically and applied for building an IM (central frequency 3180 Hz and 3-dB bandwidth 200 Hz). In this paper, we move the resonant frequency of the coils to the central frequency and optimize the parameters of the IM to minimize the equivalent input magnetic noise level to 7 fT/√Hz within 3-dB bandwidth. The IM dimensions are Φ 40 mm × 350 mm and the power consumption is <;4.2 mW. The feathers of the IM make it a portable receiving sensor for TTE communications.

Keywords

coils; inductive sensors; magnetic noise; magnetic sensors; magnetometers; mathematical analysis; optimisation; portable instruments; IM; TTE communication; coils; equivalent input magnetic noise level; frequency 200 Hz; frequency 3180 Hz; gain 3 dB; induction magnetometer portable receiving sensor; optimization method; power consumption; through-the-earth communication; Bandwidth; Capacitors; Coils; Noise; Resistors; Resonant frequency; Sensors; Through-the-Earth communications; induction magnetometer; optimization methods; resonance;

fLanguage

English

Journal_Title

Sensors Journal, IEEE

Publisher

ieee

ISSN

1530-437X

Type

jour

DOI

10.1109/JSEN.2014.2359228

Filename

6905749