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In this paper, the problem of estimating the motion and shape parameters from the infrared signature of precession object is addressed. To limit the scope of this work, only objects with shape of flat-plane, cone, cylinder, cone-cylinder combination are considered. Different from the current research, the parameter estimating is based on signal modeling. First, a signal model is proposed to approximate...
Journaling techniques play an important role in addressing the reliability issue of filesystems caused by the volatile DRAM-based buffer cache. However, journaling techniques introduce a large number of extra storage writes, which greatly degrades the performance of the filesystem [10]. Emerging Non-Volatile Memory (NVM) technologies bring a new perspective of solving the write amplification issue...
Compared with the conventional dynamic random access memory (DRAM), emerging non-volatile memory such as the phase change random access memory (PRAM) has better density and energy efficiency. However, it usually suffers shortcomings of high write power/latency and low write endurance. In this paper, we study the task allocation problem on the hybrid main memory with both DRAM and PRAM in order to...
A DRM system scheme based on PKI is proposed and designed in this paper, which can achieve secure distribution and use of digital content. The system architecture, secure mechanism, workflow are described. At last the system simulation-testing and analysis are presented, testing and analysis results show that the scheme is feasible and effective.
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