Signal Denoising Method Based on Improved Wavelet Threshold Function for Microchip Electrophoresis C⁴D Equipment

Table 1

Common wavelet bases characteristics.

Basis	dbN	symN	coifN
Symmetry	Approximate symmetry	Approximate symmetry	Approximate symmetry
Orthogonality	Have	Have	Have
Compact support	Have	Have	Have
Support length	2N − 1	2N − 1	6N − 1
Filter length	2N	2N	6N
Vanishing moments	N	N	2N