A robust six- to four-port reduction algorithm

The six- to four-port reduction (SFPR) technique has been enhanced in a number of ways. A more stable iteration strategy, which shows improved performance in the presence of noise and with nonideal microwave hardware, is presented. The quality of the five SFPR coefficients is also quantified by a no...

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Bibliographic Details
Main Authors: Potter, C.M., Hjipieris, G.
Format: Conference Proceeding
Language:English
Subjects:
Acoustic reflection
Calibration
Circuit noise
Convergence
Equations
Microwave circuits
Noise reduction
Power measurement
Radio frequency
Robustness
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Summary:The six- to four-port reduction (SFPR) technique has been enhanced in a number of ways. A more stable iteration strategy, which shows improved performance in the presence of noise and with nonideal microwave hardware, is presented. The quality of the five SFPR coefficients is also quantified by a novel variance technique, which allows their effect on reflection coefficient measurement accuracy to be predicted. This variance technique can form the basis of an enhanced reduction algorithm which is less susceptible to iteration divergence. Practical results from a 250-MHz-to-26.5-GHz coaxial six-port reflectometer are presented.< >
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1993.277103