the decoy system , notably for terrestrial mines or improvised explosive devices , includes : a means of producing heat energy including an air or water boiler , a means of emitting radiation in the infrared spectrum including a chamber that is fed with fluid by the production means , the chamber being provided with internal fins able to promote a build - up of heat energy inside said chamber , at least one detection means for determining the temperature of the chamber or the temperature of the fluid between the production means and the emission means , and a control unit able to control the operation of the heat energy production means at least according to the determined temperature .