Method, system and program for cross validation of methane telemetering concentration

The invention discloses a method, a system and a program for cross validation of methane telemetering concentration, and belongs to the technical field of methane concentration monitoring. The system comprises a tunable laser absorption spectrum methane measurement machine core module, a medium wave infrared machine core module, a motor holder, a switch and a computer, the tunable laser absorption spectrum methane measurement machine core module, the medium wave infrared machine core module and the motor holder are respectively connected with the switch to form a local area network, and the tunable laser absorption spectrum methane measurement machine core module and the medium wave infrared machine core module send data to the computer in real time through the switch. According to the invention, the tunable laser absorption spectrum and the medium-wave infrared gas cloud imaging are combined with each other and complement each other, the methane leakage can be effectively and accurately monitored under vario