All too often when the curvefitting results are confusing or appear distorted, the effects will be blamed on noise or nonlinearities.
当曲线拟合结果令人迷惑或者看上去不正常的时候，太多的时候是把这些效果归咎于噪声或非线性。
2
Modal parameter estimation (commonly referred to as curvefitting) is probably, by far, the hardest part of experimental modal analysis for most people to understand.