释义 |
fou·ri·er transform noun also fourier transformation \ˈfu̇rēˌā-, fu̇rˈyā-\ Usage: usually capitalized F Etymology: after Baron Jean Baptiste Joseph Fourier died 1830 French geometrician and physicist : any of various functions (as F(u)) that under suitable conditions can be obtained from given functions (as f(x)) by multiplying by eiux and integrating over all values of x and that are widely used in analyzing data especially by computer-driven scientific instrumentation |