The desynchronization attack is very difficult to tackle and still an open question.

去攻击很难对付，依然是一个悬而未决的课题。

In the meantime, mechanisms against desynchronization attacks and cepstrum filtering are introduced to enhance robustness.

时，通过引入抗异攻击的机制和倒谱滤波，算法的鲁棒性。