Finally , some methods of digital processing techniques , such as polynomial curve fitting and exponential curve fitting and subsection curve fitting , are used firstly to compensate the performance of the detector . the measurement accuracy of the reader is improved , with the validity proved 首次運(yùn)用了多項(xiàng)式曲線擬合技術(shù)、指數(shù)曲線擬合技術(shù)以及采用分段擬合的技術(shù),補(bǔ)償檢波器的性能,提高了通信系統(tǒng)的測(cè)量精度,應(yīng)用效果顯著。