Reducing of the probability of identifuing of small-sized ground objects by passive and active systems of millimeter-wave identifying

At present, passive and active systems of the millimeter range are widely used to identify small-sized ground objects. These systems are used in many areas - to detect sources of radiation in the range of tens and hundreds of GHz, for environmental monitoring of the terrain, for all-weather navigation of the vehicle, for the search for objects covered with camouflage. One of the ways of reducing the range and the probability of detecting small- sized ground objects by passive radiometric systems is the use of active "lighting" of objects by wide-band noise or deterministic signal and the use of wide-area masking cover. The purpose. To carry out the analysis of the known scientific results in the field of research and development of the matrix radiometric detection systems of the millimeter range (MMD) and to identify the directions of the development of from the PM of detection systems MMD. Conclusion. The method of active protection of small-sized ground objects is proposed, which helps to equalize the temperatures of the radio-brightness of the object and the background, which leads to a decrease in the radio-thermal contrast of the "small-sized object is the background of the earth's surface" due to its own illumination of the object of broadband noise emission and passive protection from radiometric identifying systems. Which consists in the use of disguise coatings, which also reduces the contrast of the "object-background" below the indicated, for radiometric detection systems of identifying of the threshold that leads to object shielding.