The analysis of analog and digital transformations for the sequences of video signals which enter the information measuring system (IMS) as an input impact (which is an additive compound of practical signals and noises) was held. The primary signal processing methods in the receiving channel of the IMS which allows receiving authentic metering information about temporal and energy parameters of signals in the present time scale, and moreover, to minimize error in their metering under conditions of predefined uncertainty about the input impact qualities are displayed in the article. The practicability of functional separation into temporal and energy branches of the IMS's objective function which points at the reduction of their analog and digital transformation's influence on nonlinear phenomena that emerge in the IMS's receiving channel subsystem was substantiated.