There is a level of non-linear distortion that is "good enough" relative to other flaws in the loudspeaker. Further reduction of this distortion brings no audible improvement.
A linear polarizer is an excellent solution in applications that require glare reduction due to reflected light.
线性偏光镜是由于反射需要减少光线应用的重要解决方案。
3
This paper presents a new hybrid algorithm based on both model reduction and linear model estimation for searching optimal number and locations of sensors for building structural health monitoring.