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US08831239B2 Instability detection and avoidance in a feedback system 有权
反馈系统中的不稳定性检测和避免

Instability detection and avoidance in a feedback system
Abstract:
In an aspect, in general, a feedback based active noise reduction system is configured to detect actual or potential instability by detecting characteristics of the system related to potential or actual unstable behavior (e.g., oscillation) and adapt system characteristics to mitigate such instability.
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