Parallel super multichannel radiometer receiver based on frequency agility technology

The utility model relates to the technical field of microwave radiometers, and discloses a parallel ultra-multichannel radiometer receiver based on frequency agility technology, which comprises an antenna, a waveguide coupler, a low-noise amplifier, a frequency mixer, a microstrip low-pass filter, an intermediate frequency amplifier, a multi-path power divider and a multi-path parallel output channel which are connected in series, the noise source is connected with the waveguide coupler; wherein the output end of the intermediate frequency amplifier is connected with the input end of the multi-path power divider, and each path of parallel output channel is connected with the output of one path of power divider; each parallel output channel is composed of an intermediate frequency amplifier, a band-pass filter, a square law detector, a low-pass filter and a video amplifier which are connected in series. Compared with the prior art, the tunable local oscillator is input, so that multiple times of frequency conv