| 摘要 |
The present invention discloses an interferometric impedance tuner system consisting of a radio-frequency (RF) or microwave transmission line containing a pair of identical RF slugs sliding on the central conductor, said slugs being manually extractable from the transmission line, and the corresponding exact three-terms cascade procedure based on the scattering transfer parameters (T-Parameters) multiplication in order to calculate the scattering parameters (S-Parameters) of the interferometric impedance tuner for any positions of the two slugs in the transmission line. The impedance interferometric tuner of this invention provides improved measurement accuracy, enhanced reliability, and allows low er cost of manufacture and maintenance.
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