Journal of Sensors

Research Article

Multiple Harmonics Fitting Algorithms Applied to Periodic Signals Based on Hilbert-Huang Transform

Table 1

The different RMS error caused by different sampling points after carrying on “sinusoidal fitting” for “triangular wave” based on HHT.
Sampling pointsRMS error (mV)
10.571
4.442 × 10−1
2.282 × 10−2
9.599 × 10−4
8.548 × 10−6
1.415 × 10−7
1.074 × 10−8
3.367 × 10−10
1.735 × 10−12
2.344 × 10−13
2.150 × 10−13
2.312 × 10−13