A vessel analysis was a type of report about the functions, weapons, and warp engines of a vessel.
In 2153, Commander Trip Tucker discussed schematics of a vessel analysis of the Borg-assimilated transport Arctic One with Captain Jonathan Archer in engineering. (ENT: "Regeneration")
In 2377, Donik utilized a vessel analysis of Iden's Hirogen holoship to point out the power generator of the vessel's holo-emitters. (VOY: "Flesh and Blood")