The principal of remote registration of 2D distribution of thermal fields with the help of thermovision equipment makes it possible not only to survey these fields' intensity and shape but to obtain additional information about dynamics of heat exchange between power saturated and other heat radiating objects. For diagnostics and search tasks the most promising and interesting are autonomous, compact IR-imagers with non-cooled 2D receivers of IR radiation based on hybrid solid-state matrixes of great capacity. The results of practical realization and applications are presented in the paper.
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