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Analysis of Dark Data of the PICNIC IR Arrays in the CIBER
이대희,김민규,M. Zemcov,남욱원,J. Bock,J. Battle,V. Hristov,T. Renbarger,T. Matsumoto,I. Sullivan,L. R. Levenson,P. Mason,김건희,K. Tsumura,S. Matsuura 한국우주과학회 2010 Journal of Astronomy and Space Sciences Vol.27 No.4
We have measured and analyzed the dark data of two PICNIC IR arrays (P574 and P560) obtained through the Cosmic Infrared Background ExpeRiment (CIBER). First, we identified three types of bad pixels: the cold, the hot, and the transient, which are figured in total as 0.06% for P574 and 0.19% for P560. Then, after the bad pixels were masked, we determined the dark noise to be 20.5 ± 0.05 e- and 16.1 ± 0.05 e-, and the dark current to be 0.6 ± 0.05 e-/sec and 0.7 ± 0.05 e-/sec for P574 and P560, respectively. Finally, we discussed glitches and readout modes for a future mission.
A STATISTICAL STUDY OF SOLAR ELECTRON EVENTS OVER ONE SOLAR CYCLE
Wang, Linghua,Lin, R. P.,Krucker, Sä,m,Mason, Glenn M. IOP Publishing 2012 The Astrophysical journal Vol.759 No.1
<P>We survey the statistical properties of 1191 solar electron events observed by the WIND 3DP instrument from <1 keV to greater than or similar to 300 keVfor a solar cycle (1995 through 2005). After taking into account times of high background, the corrected occurrence frequency of solar electron events versus peak flux exhibits a power-law distribution over three orders of magnitude with exponents between -1.0 and -1.6 for different years, comparable to the frequency distribution of solar proton events, microflares, and coronal mass ejections (CMEs), but significantly flatter than that of soft X-ray (SXR) flares. At 40 keV (2.8 keV), the integrated occurrence rate above similar to 0.29 (similar to 330) cm(-2) s(-1) sr(-1) keV(-1) near 1 AU is similar to 1000 year(-1) (similar to 600 year(-1)) at solar maximum and similar to 35 year(-1) (similar to 25 year(-1)) at solar minimum, about an order of magnitude larger than the observed occurrence rate. We find these events typically extend over similar to 45 degrees in longitude, implying the occurrence rate over the whole Sun is similar to 10(4) year(-1) near solar maximum. The observed solar electron events have a 98.75% association with type III radio bursts, suggesting all type III bursts may be associated with a solar electron event. They have a close (similar to 76%) association with the presence of low-energy (similar to 0.02-2 MeV nucleon(-1)), He-3-rich (He-3/He-4 >= 0.01) ion emissions measured by the ACE ULEIS instrument. For these electron events, only similar to 35% are associated with a reported GOES SXR flare, but similar to 60% appear to be associated with a CME, with similar to 50% of these CMEs being narrow. These electrons are often detected down to below 1 keV, indicating a source high in the corona.</P>
Zou, Jun,Fu, Donghui,Gong, Huihui,Qian, Wei,Xia, Wei,Pires, J. Chris,Li, RuiYuan,Long, Yan,Mason, Annaliese S.,Yang, Tae‐,Jin,Lim, Yong P.,Park, Beom S.,Meng, Jinling Blackwell Publishing Ltd 2011 The Plant journal Vol.68 No.2
<P><B>Summary</B></P><P>Interspecific hybridization is a significant evolutionary force as well as a powerful method for crop breeding. Partial substitution of the AA subgenome in <I>Brassica napus</I> (A<SUP>n</SUP>A<SUP>n</SUP>C<SUP>n</SUP>C<SUP>n</SUP>) with the <I>Brassica rapa</I> (A<SUP>r</SUP>A<SUP>r</SUP>) genome by two rounds of interspecific hybridization resulted in a new introgressed type of <I>B.?napus</I> (A<SUP>r</SUP>A<SUP>r</SUP>C<SUP>n</SUP>C<SUP>n</SUP>). In this study, we construct a population of recombinant inbred lines of the new introgressed type of <I>B.?napus</I>. Microsatellite, intron‐based and retrotransposon markers were used to characterize this experimental population with genetic mapping, genetic map comparison and specific marker cloning analysis. Yield‐related traits were also recorded for identification of quantitative trait loci (QTLs). A remarkable range of novel genomic alterations was observed in the population, including simple sequence repeat (SSR) mutations, chromosomal rearrangements and retrotransposon activations. Most of these changes occurred immediately after interspecific hybridization, in the early stages of genome stabilization and derivation of experimental lines. These novel genomic alterations affected yield‐related traits in the introgressed <I>B.?napus</I> to an even greater extent than the alleles alone that were introgressed from the A<SUP>r</SUP> subgenome of <I>B.?rapa</I>, suggesting that genomic changes induced by interspecific hybridization are highly significant in both genome evolution and crop improvement.</P>
THE <i>COSMIC INFRARED BACKGROUND EXPERIMENT</i> ( <i>CIBER</i> ): THE NARROW-BAND SPECTROMETER
Korngut, P. M.,Renbarger, T.,Arai, T.,Battle, J.,Bock, J.,Brown, S. W.,Cooray, A.,Hristov, V.,Keating, B.,Kim, M. G.,Lanz, A.,Lee, D. H.,Levenson, L. R.,Lykke, K. R.,Mason, P.,Matsumoto, T.,Matsuura, IOP Publishing 2013 The Astrophysical journal, Supplement series Vol.207 No.2
Juan M. Pacheco,P. W. Mason 대한수의학회 2010 Journal of Veterinary Science Vol.11 No.2
Most isolates of foot-and-mouth disease virus (FMDV) display a broad host range. Since the late 1990s, the genetic lineage of PanAsia topotype FMDV serotype O has caused epidemics in the Far East, Africa, the United Kingdom,France, the Netherlands, and numerous other countries throughout Europe and Asia. In contrast, there are several FMDV isolates that exhibit a more restricted host range. A Cathay topotype isolate of FMDV serotype O from the 1997 epizootic in Taiwan (O/TAW/97) demonstrated restricted host specificity, only infecting swine. Methods used to evaluate infectivity and pathogenicity of FMDV isolates in cattle are well-documented, but there has been less progress studying transmission and pathogenicity of FMDV isolates in pigs. In previous studies designed to examine pathogenicity, various chimeric viruses derived from O/TAW/97 were intradermally inoculated in the heel bulb of pigs. Subsequent quantitative scoring of disease and evaluation of virus released into nasal secretions and blood was assessed. Here we prove the usefulness of this method in direct and contact inoculated pigs to evaluate infectivity, pathogenicity and transmission of different Asian FMDV isolates. Virus strains within the Cathay topotype were highly virulent in swine producing a synchronous disease in inoculated animals and were efficiently spread to in-contact naïve pigs, while virus strains from the PanAsia topotype displayed more heterogeneous properties.
Footstep Recognition for a Smart Home Environment
Ruben Vera Rodriguez,Richard P. Lewis,John S. D. Mason,Nicholas W. D. Evans 보안공학연구지원센터 2008 International Journal of Smart Home Vol.2 No.2
This paper reports some experiments which assess the potential use of a footstep biometric verification system for a smart home environment. We present a semi-automatic capture system and report results on a database with independent development and evaluation datasets comprised of more than 3500 footsteps collected from 55 persons. We present an optimisation of geometric and holistic feature extraction approaches. An equal error rate of 13% is obtained with holistic features classified with a support vector machine. The database is freely available to the research community.
Cho, K. H.,Cho, H. Y.,Hahn, S.,Feindel, D. Mason, F.,Blaustein, P. R.,Kim, K. W. 대한전자공학회 1991 ICVC : International Conference on VLSI and CAD Vol.2 No.1
We investigated various properties of band-pattern induced during waxless polishing process using the magic mirror method. In order to understand the origin of this pattern and it, effects upon various physical properties of the Si wafer; total thickness variation (TIV) mapping, strain/damage measurement, microsurface roughness measurement, and electrical. parameter measurements such as oxide breakdown strength and tune dependent dielectric breakdown have been performed. The data show that polishing band-pattern is a by-product of uneven polishing removal rates due to less than the ideal polishing process control and it does not affect the integrity of thermal oxides greater than 1.5 nm thick.
OBSERVATIONS OF THE NEAR-INFRARED SPECTRUM OF THE ZODIACAL LIGHT WITH CIBER
Tsumura, K.,Battle, J.,Bock, J.,Cooray, A.,Hristov, V.,Keating, B.,Lee, D. H.,Levenson, L. R.,Mason, P.,Matsumoto, T.,Matsuura, S.,Nam, U. W.,Renbarger, T.,Sullivan, I.,Suzuki, K.,Wada, T.,Zemcov, M. IOP Publishing 2010 The Astrophysical journal Vol.719 No.1
Lee, D.H.,Nam, U.W.,Kim, G.H.,Pak, S.,Zemcov, M.,Bock, J.J.,Battle, J.,Sullivan, I.,Mason, P.,Tsumura, K.,Matsumoto, T.,Matsuura, S.,Renbarger, T.,Keating, B. 한국천문학회 2007 天文學論叢 Vol.22 No.4
The international cooperation project CIBER (Cosmic Infrared Background ExpeRiment) is a rocket-borne instrument, of which the scientific goal is to measure the cosmic near-infrared extra-galactic background to search for signatures of primordial galaxy formation. CIBER consists of a wide-field two-color camera, a low-resolution absolute spectrometer, and a high-resolution narrow-band imaging spectrometer. Currently, all the subsystems have been built, and the integration, testing, and calibration of the CIBER system are on process for the scheduled launch in June 2008.