Abstract: A method of identifying the energy range of radiation includes a system having a detector with energy differentiation characteristics, an electronic amplifier of a dual energy window, a data acquisition card, a digital threshold controller, a database, and a radiation energy range display. The system calculates the energy range of radiation through logical comparison, condition correction and mathematical fitting.

Abstract: The invention relates to the field of developing and manufacturing a counting-type radiation detection instrument, in particular to a method of identifying the energy range of radiation from radioactive material and a system for detecting the same in a detection system. First, a digital dual energy window is provided on an electronic amplifier of the detection system; then regulate the threshold of the energy window with respect to the energy range of a source of interest; calibrate the dual energy window system with standard radiation sources and save the coefficient; detect the dose rate and intensity of the radiation source of an unknown energy range; and perform logical comparison, condition correction and mathematical fitting on the data; finally, display the energy range of the detected radiation source. The invention ensures the high sensitivity of the system to radiation and enables the system to identify the energy range of the detected radiation.