Table 3 Parameter settings of WOA algorithm.

From: FMCW-based contactless heart rate monitoring

Parameter name

Parameter meaning

Value (range)

Popsize

Number of populations

10

Iter

Maximum number of iterations

20

Dim

Number of WOA variables

2

lb

\(\:\alpha\:,K\) lower limit of a value

[20000 2]

ub

\(\:\alpha\:,K\) upper limit of value

[90000 9]

ξ

Correlation coefficient

[0 1]