Zhao Zhixin

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Digital Radio Mondiale (DRM)-based HF passive bistatic radar has massive potential for surveillance purposes. Progress about DRM based passive bistatic radar is described. Several key problems need to be overcome for the base-band signal processing, including the vice-peaks suppression of DRM signal ambiguity function, the rejection of direct-path and(More)
In this paper, we deal with an dust-removing reparable system that is widely used in the wood industry. Suppose that the life of all components satisfy the exponentially distribution and the repair time of components satisfy the general distribution. A mathematical model is built via the differential and partial differential equation, and some results such(More)
We studied 52 cases of neurocysticercosis from January 1991 to December 2006 in order to increase our understanding of the diagnosis and treatment of the disease. The majority of patients were between 18 and 45 years old (78.8%). Men were more subject to the disease than women. The urban population was more at risk than the rural population. The treatment(More)
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