通过磁场信号来对该管道变径检测装置来进行定位。
The pipeline reducing diameter detecting device is positioned via magnetic field signals.
研究信息融合技术在海底管道维修装置与检测装置间的应用，采用超低频电磁波，小波分析等技术与管线跟踪探测仪、DGPS以及示踪信号探测器等设备解决发射、接收、通讯技术中的关键技术点。
The extra low electromagnetic wave, wavelet technology, pipe track instrument, DGPS and tracing signal equipment are used to solve the key question of trans-mit-receive and communication.
由于磁场信号基本不受干扰，因此大大增强了该管道变径检测装置的定位精确性。
The magnetic field signals are substantially free from interference, thus greatly enhancing the positioning accuracy of the pipeline reducing diameter detecting device.
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