نتایج جستجو برای: variable resolution x
تعداد نتایج: 1107944 فیلتر نتایج به سال:
it seems that resolution of internal conflict is studied less than the international one. current literature in this regard is not focused on theoretical aspects of conflict resolution, particularly, on conditions and necessaries of resolving these kinds of conflicts. nevertheless, in political science literature it is possible to find some texts that implicitly or explicitly are related to thi...
Protein biosynthesis, the translation of the genetic code into polypeptides, occurs on ribonucleoprotein particles called ribosomes. Although X-ray structures of bacterial ribosomes are available, high-resolution structures of eukaryotic 80S ribosomes are lacking. Using cryoelectron microscopy and single-particle reconstruction, we have determined the structure of a translating plant (Triticum ...
This paper presents a novel music representation using a Variable Resolution Transform (VRT) which is particularly well adapted for music audio analysis. The VRT is inspired by continuous wavelet transform and it applies different wavelet function at different scale. This method enables a good flexibility of the transform in order to follow log scale of musical note frequencies and at the same ...
This paper presents a general method to derive tight rates of convergence for numerical approximations in optimal control when we consider variable resolution grids. We study the continuous-space, discrete-time, and discrete-controls case. Previous work described methods to obtain rates of convergence using general approximators (Bert-sekas, 1987), multi-grid (Chow & Tsitsiklis, 1991) or Random...
Model refinement is an important aspect of the model-building process. It can be described as a procedure which, starting from an abstract model of a system, performs a number of refinement steps in result of which a more detailed model is obtained. At the same time, in order to be correct, the refinement mechanism has to be capable of preserving already proven systemic quantitative properties ...
Ž . ABSTRACT: VRI Variable Resolution Invariants is a new approach to quantitative structure]activity relations that makes use of three-dimensional features of molecules at different levels of spatial resolution as well as levels of resolution in atomic properties. These descriptors are independent of any numbering of the atoms of a molecule. They are also independent of rigid translation and r...
We have designed, fabricated, and operated an electrometer with a noise-equivalent resolution of 535 electrons rms (86 aC). The electrometer incorporates a silicon resonator that acts as a variable capacitor and is fabricated using a new self-assembly process that demonstrates for the first time the integration of lownoise, low-leakage JFETs with SOI structures. The resolution of the measuremen...
When several categories of events are present in the same data sample, an unbinned Maximum Likelihood fit is often used to determine the proportion and the properties of each class of events. This procedure makes use of “templates”, representing the probability distribution of the observables used in the fit for each class of events. In the simplest cases the templates are completely determined...
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