Multi-information fusion rice and wheat seeder seeding rate estimation method and monitoring system

The invention provides a multi-information fusion rice and wheat seeder seeding rate estimation method and a monitoring system. The monitoring system comprises an industrial personal computer, a positioning signal receiver, a seeding flow sensor and a weighing sensor, the industrial personal computer comprises a seeding information priori estimation module, a seeding information observation module, a measurement estimation module, a priori estimation covariance solving module, a fusion coefficient solving module, a seeding information posteriori estimation module, an error covariance updating module and a seeding quantity prescription map module; the positioning signal receiver is used for detecting a geographic position signal; the plurality of seed-metering flow sensors are mounted on seed-metering ports of the rice and wheat seeding machine and are connected with the seeding information observation module; the weighing sensor is connected with the seeding information observation module; and the positioning