Competitive aerobics sport have very high request to the accuracy of kinaesthesia time estimate of Sportsmen.

竞技健美操运动对运动员动觉时间估计的准确性有很高的要求。

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Through experiments, it is shown that the proposed algorithms have high accuracy in pitch estimate, strong robustness to noise, so the performance improved evidently.

实验结果表明，与传统算法相比，所提算法基音估计准确性较高，对噪声具有较好的鲁棒性，性能得到明显提高。

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To estimate the parameter of velocity and acceleration with high accuracy and in real time for the measurement radar, an improved method based on spectrum zooming is proposed.

针对测量雷达要实时准确获得目标速度、加速度测量值的问题，提出了一种基于频谱细化的参数估计方法。

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