نتایج جستجو برای: solid burst error
تعداد نتایج: 467807 فیلتر نتایج به سال:
This paper describes a combined modeling and experimental approach for the design and development of a polymer device to provide local drug therapy to thermally ablated solid tumors. The polymer device, in the shape of cylindrical millirod, will be implanted via image-guided procedures into the center of the ablated tumor. Drug released from the millirod aims to eliminate residual cancer cells ...
The first arcsecond localization of a short gamma-ray burst, GRB 050509B, has enabled detailed studies of a short burst environment. We here report on studies of the environment of GRB 050509B using the Swift X-ray Telescope (XRT). The XRT error circle of the burst overlaps with an elliptical galaxy in the cluster of galaxies ZwCl 1234.0+02916. Based on the measured X-ray flux of the cluster we...
We present Interplanetary Network (IPN) detection and localization information for 211 gamma-ray bursts (GRBs) observed as untriggered events by the Burst and Transient Source Experiment (BATSE) and published in catalogs by Kommers et al. and Stern et al. IPN confirmations have been obtained by analyzing the data from 11 experiments. For any given burst observed by BATSE and one other distant s...
Video communication is often afflicted by various forms of losses, such as packet loss over the Internet. This paper examines the question of whether the packet loss pattern, and in particular the burst length, is important for accurately estimating the expected mean-squared error distortion. Specifically, we (1) verify that the loss pattern does have a significant effect on the resulting disto...
Interleaving is a process to rearrange code symbols so as to spread bursts of errors over multiple codewords that can be corrected by random error correction codes (ECCs). By converting bursts of errors into random-like errors, interleaving thus becomes an effective means to combat error bursts. In this paper, we focus on how to obtain effective interleaving schemes for 2-dimensional (2-D) arra...
The COMPTEL instrument onboard the Compton Gamma{Ray Observatory imaged the bright gamma{ray burst GRB 940301 within 1.6 hours of the event, with a mean 1 error radius of 1.5. The error region was subsequently reened by combining the COMPTEL location with the arc derived from diierences in the event arrival time at the Ulysses and BATSE detectors. Westerbork observations of the COMPTEL error re...
We present Interplanetary Network localization information for 147 gammaray bursts observed by the Burst and Transient Source Experiment between the end of the 3rd BATSE catalog and the end of the 4th BATSE catalog, obtained by analyzing the arrival times of these bursts at the Ulysses and Compton Gamma-Ray Observatory (CGRO) spacecraft. For any given burst observed by these two spacecraft, arr...
The sampling rate in most hard disk drives (HDDs) is limited by the number of servo burst sectors that have prewritten position error signal (PES) data and by the spinning speed of the HDD. This paper presents an algorithm that can generate estimates of the PES during read at high sampling rates by processing the dedicated servo burst measurements and the mean square error (MSE) path metric dat...
A new class of cyclic codes that is Reed-Solomon codes are discussed for IEEE 802.16 wireless networks. Reed-Solomon codes are used for the error detection and correction in communication systems. This is important in information theory and coding to correct burst errors. Here Reed-Solomon code for wireless network 802.16 is synthesized using VHDL on Xilinx and simulated on ISE simulator. The R...
Detection of burst-related impulses, such as those accompanying plosive stop consonants, is an important problem for accurate measurement of acoustic features for recogntion (e.g., voice-onset-time) and for accurate automatic phonetic alignment. The proposed method of burst detection utilizes techniques for identifying and combining information about specific acoustic characteristics of bursts....
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