Unsteady dynamic behavior of TTCP model with different wrap around fin sets were investigated in a trisonic wind tunne. The aerodynamic coefficient force measurement in this wind tunnel shows good agreement in comparison with that of the NASA Langley Research Center in static case. The model was sinusoidally oscillated at three different frequencies of 1, 3 and 8 Hz at M=2.0 and the effects of ...

Recent advances in satellite remote sensing at near-millimeter and sub-millimeter wavelengths (~100-3000 GHz) require accurate complex permittivity for ice and liquid water at these frequencies for different temperatures, especially for cold atmospheric conditions. This paper summarizes the existing experimental permittivity data in the literature, and provides an updated empirical ice permitti...

This paper presents and tests a method for improving the predictive power of derived viewpoints in multiple viewpoints systems. Multiple viewpoint systems are a well established method for the statistical modelling of sequential symbolic musical data. A useful class of viewpoints known as derived viewpoints map symbols from a basic event space to a viewpoint-specific domain. Probability estimat...

The two main approaches to find data in peer-to-peer (P2P) systems are unstructured networks using flooding and structured networks using a distributed index. A distributed index is usually built over all keys that are stored in the network whether they are queried or not. Indexing all keys is no longer feasible when indexing metadata, as the key space becomes very large. Here we need a query-a...

this study sought to develop a decision support system (dss) for assisting range managers to detect range condition and make informed decisions about feridan county rangelands. all plant species frequencies were measured in 31 range sites with various grazing histories using step point method. four hundred points along four perpendiculars 30 meters transects were measured in each site and grazi...

Multiple problems, including high computational cost, spurious local minima, and solutions with no geologic sense, have prevented widespread application of full waveform inversion (FWI), especially FWI of seismic reflections. These problems are fundamentally related to a large number of model parameters and to the absence of low frequencies in recorded seismograms. Instead of inverting for all ...

We study spatial pattern formation and energy localization in the dynamics of an anharmonic chain with quadratic and quartic intersite potential, subject to an optical, sinusoidally oscillating field and a weak damping. The zone-boundary mode is stable and locked to the driving field below a critical forcing that we determine analytically using an approximate model, which describes mode interac...

In this paper, we first introduce some function spaces, with certain locally convex topologies, closely  related to the space of real-valued continuous functions on $X$,  where $X$ is a $C$-distinguished topological space. Then, we show that their dual spaces can be identified in a natural way with certain spaces of Radon measures.