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IMPEDANCE MEASUREMENT BY GENERALIZED THREEPROBE METHOD,
NAVY UNDERWATER SOUND REFERENCE LAB ORLANDO FLA
The three-probe method of impedance measurement, which is based on sampling the standing wave at three discrete positions on a transmission line or waveguide was analyzed both for the lossless and for the lossy line. General solutions for the load impedance, load admittance, and reflection coefficient were obtained for both cases. The final result is a set of compact formulas in determinant notation. Author