noise amplification

By flattening the noise amplification due to the waterbed effect in the whole disturbance amplification frequency band intuitively, the designed feedback controller can suppress the disturbance amplification to almost the minimum value for the given disturbance attenuation and ensure good stability of the system.

通过在整个控制频带展平噪声放大，噪声放大峰值可以被抑制到给定降噪情况下的最小值，保证了系统好的稳定性。

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In many blind image restoration algorithms, non-negativity and support constraints recursive inverse filtering ( NAS-RIF) have better effects, but the restoration result is badly worsen and the application is minimized because of the noise amplification.

在诸多的盲恢复算法中，非负有限支撑限制递归法（NAS-RIF）可以取得较好的恢复效果，但其对高频噪声的放大严重地影响了恢复效果和具体应用范围。

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