Yichi Zhang, Jianfei Wang, Mo Chen, Mingyang Wang, Yan Liang, Zhou Meng. A Method to Eliminate the Influence of Frequency-Modulating-Induced Auxiliary Amplitude Modulation on the Calibration of 3 × 3 Coupler Asymmetric Parameters. Sensors, 20(21):6180, 2020. [doi]
Abstract is missing.