Ultrathin high-sensitivity airborne active phased array meteorological radar

The invention provides an ultra-thin high-sensitivity airborne active phased array meteorological radar, which comprises an active phased array antenna and an integrated receiving and processing unit, and is characterized in that the active phased array antenna comprises a radiator, a large-scale radio frequency transceiving assembly, a comprehensive board and a sum-difference device which are arranged in a three-dimensional stacking manner. According to the ultra-thin high-sensitivity active phased array meteorological radar, on one hand, under the complex design condition that a two-dimensional phased array system radar is adopted, the installation adaptability of the two-dimensional active phased array meteorological radar is equivalent to that of a traditional flat plate type mechanical scanning airborne meteorological radar; the requirements of airplane platform design on installation and physical characteristics of products are met; on the other hand, on the basis that the function performance of the tw