Self-adaptive clock synchronization method with high robustness
A clock synchronization and robust technology, applied in the field of signal processing, can solve the problems of performance deterioration and divergence of Kalman estimation algorithm
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[0039] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings.
[0040] The present invention provides a highly robust self-adaptive clock synchronization method. First, the topology model of the wireless sensor network is established, and the network nodes are divided into multiple levels. The subsequent clock synchronization algorithm is only performed between adjacent levels. Level synchronization so as to finally achieve global clock synchronization; then, the clock model of the network node and the transmission model between nodes are established; finally, the H∞ estimation filter is used to estimate the relative clock parameters of the node pairs in the adjacent level, and the adjacent level The clocks are synchronized to achieve global clock synchronization. The detailed push steps are:
[0041] Step 1: Establish a hierarchical topology model of the wireless sensor network pair, and divide the senso...
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