id	keyword
ajst-30886	time
ajst-30886	domain
ajst-30886	thickness
ajst-30886	algorithm
ajst-30886	frequency
ajst-30886	terahertz
ajst-30886	optimization
ajst-30886	signal
ajst-30886	measurement
ajst-30886	layer
ajst-30886	error
ajst-30886	frequency domain
ajst-30886	whale
ajst-30886	function