Synthetic photometry

Synthetic photometry refers to an algorithm which provides magnitudes and colors computed from a spectral energy distribution and the response functions of a photometric system.
http://adsabs.harvard.edu/abs/1986HiA.....7..799B

何のことかと思ったけどいつも使ってるヤツやん.っていうか,これ syntetic photometry って言えばいいのか.いつもうだうだ説明書いてて大変だったんだよな.