The method reduces the influence on quantize errors of 10 bit A/D converter and increases the measuring accuracy of the TRR. It shows that measured stress used by the method may satisfy the needs of real time measurement on the spot.

• 该方法减小了10位A/D量化误差的影响，提高了温升率测量的准确度，很好地满足了现场实时监测热应力的需要。