The morse taper is a taper international standard, uses in the stationary fit, by pinpointing.

莫氏锥度是一个锥度的国际标准，用于静配合，以精确定位。

The wavelet transform has a good performance of local analyzing in both time domain and frequency domain. It is fit for analyzing non-stationary signals, such as ultrasonic signal.

而小波具有“变焦距”特性，在时域和频域中具有良好的局部分析能力，适合于超声等非平稳信号处理。