便携式三分量磁场测量模块
王旭, 陈凯, 芦勇健, 尹曜田

Portable three-component magnetic field measurement module
WANG Xu, CHEN Kai, LU Yong-Jian, YIN Yao-Tian
图9 本底噪声功率谱密度
Fig.9 Self-noisepower spectral density