Now showing items 35-54 of 603

    • BACOM2.0 facilitates absolute normalization and quantification of somatic copy number alterations in heterogeneous tumor 

      Fu, Yi; Yu, Guoqiang; Levine, Douglas A.; Wang, Niya; Shih, Ie-Ming; Zhang, Zhen; Clarke, Robert; Wang, Yue (Springer Nature, 2015-09-09)
      Most published copy number datasets on solid tumors were obtained from specimens comprised of mixed cell populations, for which the varying tumor-stroma proportions are unknown or unreported. The inability to correct for ...
    • BADGE: A novel Bayesian model for accurate abundance quantification and differential analysis of RNA-Seq data 

      Gu, Jinghua; Wang, Xiao; Hilakivi-Clarke, Leena; Clarke, Robert; Xuan, Jianhua (2014-09-10)
      Background Recent advances in RNA sequencing (RNA-Seq) technology have offered unprecedented scope and resolution for transcriptome analysis. However, precise quantification of mRNA abundance and identification of ...
    • Balanced reconnection intervals: four case studies 

      DeJong, A. D.; Ridley, Aaron J.; Clauer, C. Robert (Copernicus Publications, 2008)
      During steady magnetospheric convection (SMC) events the magnetosphere is active, yet there are no data signatures of a large scale reconfiguration, such as a substorm. While this definition has been used for years it fails ...
    • Band offset determination of mixed As/Sb type-II staggered gap heterostructure for n-channel tunnel field effect transistor application 

      Zhu, Yizheng; Jain, Nikhil; Mohata, Dheeraj K.; Datta, Suman; Lubyshev, Dmitri; Fastenau, Joel M.; Liu, Amy K.; Hudait, Mantu K. (American Institute of Physics, 2013-01-14)
      The experimental study of the valence band offset (Delta E-v) of a mixed As/Sb type-II staggered gap GaAs0.35Sb0.65/In0.7Ga0.3As heterostructure used as source/channel junction of n-channel tunnel field effect transistor ...
    • Basic Image-Processing Operations By Use Of Acousto-Optics 

      Banerjee, P. P.; Cao, D. Q.; Poon, Ting-Chung (Optical Society of America, 1997)
      We describe some basic optical image-processing operations with acousto-optic (AO) Bragg diffraction. Instead of using frequency-plane filters, we place an AO cell behind the abject. We then realize experimentally ...
    • Beam Propagation in Focusing Media with Random Axis Misalignments: Second-Order And Higher-Order Moments 

      Besieris, Ioannis M. (AIP Publishing, 1978-12-01)
      A novel statistical technique which allows the asymptotic evaluation of second_ and higher_order averaged observables related to the stochastic complex parabolic equation is applied to the problem of beam propagation in a ...
    • Behavior of Random Hole Optical Fibers under Gamma Ray Irradiation and Its Potential Use in Radiation Sensing Applications 

      Alfeeli, Bassam; Pickrell, Gary R.; Garland, Marc; Wang, Anbo (MDPI, 2007-05-24)
      Effects of radiation on sensing and data transmission components are of greatinterest in many applications including homeland security, nuclear power generation, andmilitary. A new type of microstructured optical fiber ...
    • Beyond Finding Change: multitemporal Landsat for forest monitoring and management 

      Wynne, Randolph H.; Thomas, Valerie A.; Brooks, Evan B.; Coulston, J. O.; Derwin, J. M.; Liknes, G. C.; Yang, Z.; Fox, Thomas R.; Ghannam, S.; Abbott, A. Lynn; House, M. N.; Saxena, R.; Watson, Layne T.; Gopalakrishnan, R. (2017-07)
      Take homes
      • Tobler’s Law still in effect with time series – spatial autocorrelation in temporal coherence can help in both preprocessing and estimation
      • Continual process improvement in extant algorithms ...
    • BICORN: An R package for integrative inference of de novo cisregulatory modules 

      Chen, Xi; Gu, Jinghua; Neuwald, Andrew F.; Hilakivi-Clarke, Leena; Clarke, Robert; Xuan, Jianhua (Springer Nature, 2020-05-14)
      Genome-wide transcription factor (TF) binding signal analyses reveal co-localization of TF binding sites based on inferred cis-regulatory modules (CRMs). CRMs play a key role in understanding the cooperation of multiple ...
    • A Bidirectional Traveling Plane-Wave Representation Of Exact-Solutions Of The Scalar Wave-Equation 

      Besieris, Ioannis M.; Shaarawi, Amr M.; Ziolkowski, R. W. (AIP Publishing, 1989-06-01)
      A new decomposition of exact solutions to the scalar wave equation into bidirectional, forward and backward, traveling plane wave solutions is described. The resulting representation is a natural basis for synthesizing ...
    • Big Data Meet Cyber-Physical Systems: A Panoramic Survey 

      Atat, Rachad; Liu, Lingjia; Wu, Jinsong; Li, Guangyu; Ye, Chunxuan; Yi, Yang (IEEE, 2018)
      The world is witnessing an unprecedented growth of cyber-physical systems (CPS), which are foreseen to revolutionize our world via creating new services and applications in a variety of sectors, such as environmental ...
    • Binary Mask Programmable Hologram 

      Tsang, Peter Wai Ming; Poon, Ting-Chung; Zhou, C. H.; Cheung, K. W. K. (Optical Society of America, 2012-11-01)
      We report, for the first time, the concept and generation of a novel Fresnel hologram called the digital binary mask programmable hologram (BMPH). A BMPH is comprised of a static, high resolution binary grating that is ...
    • Block-Level Logic Extraction from CMOS VLSILayouts 

      Bhasin, Inderpreet; Tront, Joseph G. (Hindawi, 1994-01-01)
      This paper describes a Prolog based Block Extraction System (ProBES) which converts a transistor level descriptionof a CMOS circuit into a logic block level description. The operation of ProBES is conceptually similar to ...
    • BMRF-MI: integrative identification of protein interaction network by modeling the gene dependency 

      Shi, Xu; Wang, Xiao; Shajahan, Ayesha; Hilakivi-Clarke, Leena; Clarke, Robert; Xuan, Jianhua (2015-06-11)
      Background Identification of protein interaction network is a very important step for understanding the molecular mechanisms in cancer. Several methods have been developed to integrate protein-protein interaction (PPI) ...
    • Bond-Slip Monitoring of Concrete Structures Using Smart Sensors—A Review 

      Huo, Linsheng; Cheng, Hao; Kong, Qingzhao; Chen, Xuemin (MDPI, 2019-03-11)
      Concrete structures with various reinforcements, such as steel bars, composite material tendons, and recently steel plates, are commonly used in civil infrastructures. When an external force overcomes the strength of the ...
    • BSML: A Binding Schema Markup Language for Data Interchange in Problem Solving Environments 

      Verstak, Alex; Ramakrishnan, Naren; Watson, Layne T.; He, Jian; Shaffer, Clifford A.; Bae, Kyung Kyoon; Jiang, Jing; Tranter, William H.; Rappaport, Theodore S. (Hindawi, 2003-01-01)
      We describe a binding schema markup language (BSML) for describing data interchange between scientific codes. Such a facility is an important constituent of scientific problem solving environments (PSEs). BSML is designed ...
    • C-Based Design of Heterogeneous Embedded Systems 

      Grimm, Christoph; Jantsch, Axel; Shukla, Sandeep K.; Villar, Eugenio (2008-07-15)
    • caBIG VISDA: modeling, visualization, and discovery for cluster analysis of genomic data 

      Zhu, Yitan; Li, Huai; Miller, David J.; Wang, Zuyi; Xuan, Jianhua; Clarke, Robert; Hoffman, Eric P.; Wang, Yue (2008-09-18)
      Background The main limitations of most existing clustering methods used in genomic data analysis include heuristic or random algorithm initialization, the potential of finding poor local optima, the lack of cluster number ...
    • Carrier Frequency Estimation of Time-Frequency Overlapped MASK Signals for Underlay Cognitive Radio Network 

      Liu, Mingqian; Zhang, Junlin; Lin, Yun; Wu, Zhen; Shang, Bodong; Gong, Fengkui (IEEE, 2019)
      As the single-signal carrier frequency estimation method is unsuitable for the time-frequency overlapped signals in an underlay cognitive radio network (CRN), in this paper, we propose a novel carrier frequency estimation ...
    • CESCA Newsletter : April 2009 

      Virginia Tech. Center for Embedded Systems for Critical Applications (Virginia Tech. Center for Embedded Systems for Critical Applications, 2009-04)
      Congratulations on the inaugural issue of the CESCA newsletter! A handful of faculty members scrambled together and proposed a research group in the summer of 2003 to be a part of the College’s then new research center, ...