Chao Li Bo Peng Ji-Kang Sun Analysis of Influence of Noise Interference on Frequency Measurement Results of IFM Receiver. 1488-1492 2022 ICCT https://doi.org/10.1109/ICCT56141.2022.10072767 conf/icct/2022 db/conf/icct/icct2022.html#LiPS22