去同步攻击主要包括随机剪切(Random Cropping)、时间拉伸(Time-ScaleModification)、音高位移(Pitch-Scale Modification)、D//A,A//D转换(D//A,A//DConversion)等等.
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Compared with SMM(Statistical Mean Ma- nipulation),BER(Bit Error Rate)was improved at least 0.25%0,and the random cropping 3(5×1000)was improved 28.5 %.
与SMM (Statistical Mean Manipulation)算法相比,比特误码率BER(Bit Error Rate)至少提高0.25%,随机剪切3 (5×1000)提高了28.5%。
参考来源 - 倒谱域自适应音频水印算法·2,447,543篇论文数据，部分数据来源于NoteExpress
实验结果表明该算法对JPEG压缩、随机噪声攻击、剪切及加噪等具有较高的鲁棒性。
Experiment results show that this algorithm has better robustness in JPEG compression, random noising attacks, cutting and noise adding.
另外，为了增强鲁棒性可对水印数据进行随机置乱操作以抵抗剪切等信号处理操作。
Furthermore, to enhance robustness, a random permutation of the watermark is used to defeat the attacks of signal processing, such as image crops.
然后，按照随机的顺序，对模拟的金属翼板粘结桥模型逐一进行了整体结构的轴向剪切拉力测试。
Then axil shear tractive force of the whole structure of imitate bridge was measured in each.
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