| Summary: | In this paper, the performance of networked systems with two-channel noise and bandwidth constraints is investigated. The given plant with non-minimum phase zero and unstable pole are considered in the system. Considering the white noise constraint in two channels (forward and feedback channels) and the bandwidth constraint in the feedback channel, the expression of performance limitations is obtained by using spectral decomposition technique and selecting the optimal single parameter. The obtained results demonstrate that the performance of networked systems depends on the intrinsic properties of the given plant (such as non-minimum phase zeros and unstable poles), and the network parameters (such as white noise, bandwidth and codec). Furthermore, the results also show the impacts of two-channel noise and the bandwidth constraints on the performance of networked systems. Finally, a classical example is presented to illustrate the theoretical results.
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