不过Google却称，这些线条代表声纳数据搜集船只的路径。
But Google said the lines represented sonar data collected from boats.
目标运动要素可通过解算声纳数据而获得，用匀速直线运动来模拟目标运动规律。
Target moving element is given through calculating sonar data, then its kinematic rule is imitated with uniform straight line motion.
我们利用MATLAB编程来实现声纳数据的获得，并利用MATLAB中的神经网络工具箱对声纳数据进行了处理，得到了很好的误差曲线。
We use MATLAB program to gain sonar data, at the same time, we use the NN toolbox of the MATLAB to process sonar data and get fine error curve.
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