三维弱磁信号
three-dimensional weak magnetic signals
大频率弱信号
high frequency weak signal
低噪声与弱信号检测
detection of low noise & weak signals
多分量微弱LFM信号
Multi-component weak LFM signal
多频弱信号检测
detection of multi frequency weak signal
高频微弱信号检测
High-frequency weak signal detection
光纤传感微弱信号检测
fiber optic sensing weak signal detection
航磁弱信息提取
aeromagneitc weak information extraction
弱信号放大
small signals amplification
弱信号检测
Detection of weak signal
Weak signals detection
weak signal detection
faint signal detection
weakness signal detection
small-signal detection
weak signal detect
weak signal detectioni
testing of feeble signals