In this paper an identifier (id) watermarking algorithm is proposed, which has the characteristics of error-correct, high redundance and adaptive watermark retrieval.
该文提出了一种新的标识符(ID)水印算法，具有误码纠错，水印高度冗余和自适应水印恢复三个特点。
Second, we estimate the angular velocity error making use of accelerometer's redundance information.
第二，利用九加速度的冗余信息估计残差，对如何提高角速度的解算精度作了研究。
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