Besides, the measurement accuracy was increased through using dual voltage comparator circuit combined with software design to correct the front of echo.
在接收部分采用双电压比较器整形电路并结合软件设计纠正回波前沿的方法来提高测量精度。
2
Lastly, we compare channel-cancellation result of simulated date and real dual-channel echo data, The results proved this improved CSI method is reliable and effectual.