نتایج جستجو برای: maneuvering movement
تعداد نتایج: 158928 فیلتر نتایج به سال:
In standard target tracking, algorithms assume synchronous and identical sampling rate for measurement and state processes. Contrary to these methods particle filter is proposed with variable rate. These filters use a restricted number of states, and a Gamma distribution is applied at state arrival time so that the maneuvering targets could be tracked. Although this structure is capable of trac...
The problem of data association for target tracking in a cluttered environment is discussed. In order to improve the real-time processing and accuracy of target tracking, based on a probabilistic data association algorithm, a novel data association algorithm using distance weighting was proposed, which can enhance the association probability of measurement originated from target, and then using...
This article presents novel results obtained using variance constrained controllers and maneuvering helicopters when also some helicopter sensors fail. For this purpose complex, control oriented, physics based helicopter models are used. A nonlinear model of the helicopter, which includes blade flexibility, is first linearized around specific maneuvering flight conditions (i.e. level banked tur...
The capacity for aerial maneuvering was likely a major influence on the evolution of flying animals. Here we evaluate consequences of paravian morphology for aerial performance (Dudley and Yanoviak, 2011; Smith, 1952) by quantifying static stability and control effectiveness of physical models (Evangelista et al., 2014) for numerous taxa sampled from within the lineage leading to birds (Paraves...
For maneuvering target tracking, we propose a novel grey prediction based particle filter (GP-PF), which incorporates the grey prediction algorithm into the standard particle filter (SPF). The basic idea of the GP-PF is that new particles are sampled by both the state transition prior and the grey prediction algorithm. Since the grey prediction algorithm is a kind of model-free method and is ab...
Conventional spherical simplex-radial cubature Kalman filter (SSRCKF) for maneuvering target tracking may decline in accuracy and even diverge when a target makes abrupt state changes. To overcome this problem, a novel algorithm named strong tracking spherical simplex-radial cubature Kalman filter (STSSRCKF) is proposed in this paper. The proposed algorithm uses the spherical simplex-radial (SS...
Abstract This article explains the design and development of pragma-dialectical approach to fallacies. In this fallacies are viewed as violations standards for critical discussion that expressed in a code conduct reasonable argumentative discourse. After problem-solving validity resolving differences opinion rules has been discussed, their conventional real-life arguers is demonstrated. Startin...
Abstract On the background of air defense missile which use radar command guidance, this article focuses on maneuvering target trajectory simulation and tracking problem by considering possible modes overload. Taking Serpentine (S maneuvering) as an example, is simulated based overload using stepwise design method, data are measured through sensor models. Since single model cannot motion exactl...
Performance of any tracking algorithm depends upon the model selected to capture the target dynamics. In real world applications, no apriori knowledge about the target motion is available. Moreover, it could be a maneuvering target. The proposed method is able to track maneuvering or nonmaneuvering multiple point targets with large motion ( pixels) using multiple filter bank in an IR image sequ...
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