نتایج جستجو برای: extended target
تعداد نتایج: 610055 فیلتر نتایج به سال:
The ground moving target indicator (GMTI) radar sensor plays an important role in situation awareness of the battlefield, surveillance, and precision tracking of ground targets. The extended Kalman filter (EKF) is usually used either alone or in the Interacting Multiple Model (IMM) framework to solve nonlinear filtering problems. Since the GMTI measurement model is nonlinear, the use of an EKF ...
Randomized stepped frequency radar (RSFR) is very attractive for tasks under complex electromagnetic environment. Due to the synthetic high range resolution in RSFRs, a target usually occupies series of cells and called an extended target. To reconstruct range-Doppler information RSFR, previous studies based on sparse recovery mainly exploit sparsity scene but do not adequately address extended...
The problem of testing from an SDL specification is often complicated by the presence of infeasible paths. This paper introduces an approach for transforming a class of SDL specification in order to eliminate or reduce the infeasible path problem. This approach is divided into two phases in order to aid generality. First the SDL specification is rewritten to create a normal form extended finite...
BACKGROUND AND OBJECTIVES Infection is the most common cause of death in severe AKI, but many patients receiving continuous RRT do not reach target antibiotic concentrations in plasma. Extended infusion of β-lactams is associated with improved target attainment in critically ill patients; thus, we hypothesized that extended infusion piperacillin-tazobactam would improve piperacillin target atta...
Due to their shorter operating range and large bandwidth, automotive radars can resolve many reflections from targets of interest, mainly vehicles. This calls for the use extended-target models in place simpler more widely-adopted point-like target models. However, despite some preliminary work, fundamental connection between radar’s accuracy as a function vehicle state (range, orientati...
In extended target tracking, targets potentially produce more than one measurement per time step. Multiple extended targets are therefore usually hard to track, due to the resulting complex data association. The main contribution of this paper is the implementation of a Probability Hypothesis Density (phd) lter for tracking of multiple extended targets. A general modi cation of the phd lter to ...
the rapid growing of information technology (it) motivates and makes competitive advantages in health care industry. nowadays, many hospitals try to build a successful customer relationship management (crm) to recognize target and potential patients, increase patient loyalty and satisfaction and finally maximize their profitability. many hospitals have large data warehouses containing customer ...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
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