The Zero Properties of Linear Passive Systems

U. Shaked*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The zeros and the slope of the asymptotes to the root-loci of linear, passive, time-invariant systems are found. Using the geometric approach to the definition of zeros, it is proved that the system finite zeros are all in the left half of the complex plane and that the asymptotes to the system root-loci at infinity are all in the direction of the negative real axis.

Original languageEnglish
Pages (from-to)973-974
Number of pages2
JournalIEEE Transactions on Automatic Control
Issue number6
StatePublished - Dec 1977


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