全张量磁梯度同步信号采集卡的设计

Design of Synchronous Signal Acquisition Card in Full Tensor Magnetic Gradient

针对航空超导全张量磁梯度仪中多通道信号实时同步采样的重要性,基于全张量磁梯度测量原理,研制了一种航空超导全张量磁梯度同步信号采集卡。设计了高信噪比的信号采集电路,以同步采样技术为基础,对多路信号同步采样,实现数据的同步采集和处理。通过实验验证系统的有效性。

For multichannel full tensor magnetic gradient instrument, it is important to realize real-time synchronous acquisition, developed a data acquisition card for synchronous measuring full tensor magnetic gradient signal based on the principle of full tensor magnetic gradient measurement. Design a high signal to noise ratio （SNR） circuit, on the basis of synchronous sampling technique.