Phased antenna power distribution system based on RFID

The invention discloses a phase control antenna power distribution system based on RFID, and the system carries out the statistics of the number of RFID tags in each coverage area in each time period, and for a regular coverage area in a time period, adjusts the antenna gain according to the ratio of the corresponding tag number to the tag number. And for an irregular coverage area, the activation frequency of the electric field direction radiation pattern of the area is reduced during the period, and for the irregular coverage area, the activation frequency of the electric field direction radiation pattern of each area is adjusted according to the frequency distribution value P, and compared with a polling mode for activating the high-gain electric field direction radiation pattern of each area, the frequency distribution value P is adjusted. According to the invention, scanning monitoring of areas with a large number and rapid change can be accelerated in corresponding time, and the problem that the accurac