Diversity in Shallow Water Environments Using Blind Time-Frequency Separation Techniques (2008)
Gottin, Bertrand, Zhang, Jun, Papandreou Suppappola, Antonia, Ioana, Cornel
The shallow water environment can be characterized as a time-dispersive system whose time-varying impulse response can be expressed as a superposition of time-frequency components with dispersive...
Time-frequency modeling of shallow water environment: rigid vs. fluid seabed (2008)
Zhang, Jun, Gottin, Bertrand, Papandreou Suppappola, Antonia, Ioana, Cornel
When the ocean seabed is considered to be rigid, the ideal waveguide model can be used to model the shallow water environment. However, a more realistic ocean waveguide model treats the ocean floor...
Diversity in Shallow Water Environments Using Blind Time-Frequency Separation Techniques (2008)
Gottin, Bertrand, Zhang, Jun, Papandreou Suppappola, Antonia, Ioana, Cornel
The shallow water environment can be characterized as a time-dispersive system whose time-varying impulse response can be expressed as a superposition of time-frequency components with dispersive...
Time-frequency modeling of shallow water environment: rigid vs. fluid seabed (2008)
Zhang, Jun, Gottin, Bertrand, Papandreou Suppappola, Antonia, Ioana, Cornel
When the ocean seabed is considered to be rigid, the ideal waveguide model can be used to model the shallow water environment. However, a more realistic ocean waveguide model treats the ocean floor...
Experimental high-intensity three-photon entangled source (2008)
Lu, Huai-Xin, Zhang, Jun, Wang, Xiao-Qin, Li, Ying-De, Wang, Chun-Yan
We experimentally realize a high-intensity three-photon Greenberger-Horne-Zeilinger (GHZ) entanglement source directly following the proposal by Rarity and Tapster [J. G. Rarity and P. R. Tapster,...
On the Brightening Propagation of Post-Flare Loops Observed by TRACE (2008)
Examining flare data observed by TRACE satellite from May 1998 to December 2006, we choose 190 (151 M-class and 39 X-class) flare events which display post-flare loops (PFLs), observed by 171 \AA and...
Networked MIMO with Clustered Linear Precoding (2008)
Zhang, Jun, Chen, Runhua, Andrews, Jeffrey G., Ghosh, Arunabha, Heath Jr, Robert W.
A clustered base transceiver station (BTS) coordination strategy is proposed for a large cellular MIMO network, which includes full intra-cluster coordination to enhance the sum rate and limited...
Mode Switching for MIMO Communication Based on Delay and Channel Quantization (2008)
Zhang, Jun, Andrews, Jeffrey G., Heath Jr, Robert W.
This paper proposes an adaptive multiple-input multiple-output (MIMO) transmission algorithm using imperfect channel state information at the transmitter. The approach switches between single-user...
Visibility study of graphene multilayer structures (2008)
Teo, Guoquan, Wang, Haomin, Wu, Yihong, Zhang, Jun, Guo, Zaibing, Ni, Zhenhua, ...
The visibility of graphene sheets on different types of substrates has been investigated both theoretically and experimentally. Although single layer graphene is observable on various types of...
How to Grow a Healthy Merger Tree (2008)
Zhang, Jun, Fakhouri, Onsi, Ma, Chung-Pei
We investigate seven Monte Carlo algorithms -- four old and three new -- for constructing merger histories of dark matter halos using the extended Press-Schechter (EPS) formalism based on both the...
On Recovery of Sparse Signals via $\ell_1$ Minimization (2008)
Cai, T. Tony, Xu, Guangwu, Zhang, Jun
This article considers constrained $\ell_1$ minimization methods for the recovery of high dimensional sparse signals in three settings: noiseless, bounded error and Gaussian noise. A unified and...
Kopetzki, Erhard, Jekle, Andreas, Ji, Changhua, Rao, Eileen, Zhang, Jun, Fischer, Stephan, ...
Abstract We describe a novel strategy in which two inhibitors of HIV viral entry were incorporated into a single molecule. This bifunctional fusion inhibitor consists of an antibody blocking the...
Knowledge sharing and Yahoo Answers: Everyone knows something (2008)
Adamic, Lada A., Zhang, Jun, Bakshy, Eytan, Ackerman, Mark S.
Yahoo Answers (YA) is a large and diverse question-answer forum, acting not only as a medium for sharing technical knowledge, but as a place where one can seek advice, gather opinions, and satisfy...
Zhang, Jun, Ma, Chung-Pei, Fakhouri, Onsi
Analytic models based on spherical and ellipsoidal gravitational collapse have been used to derive the mass functions of dark matter halos and their progenitors (the conditional mass function). The...
Measuring the cosmic shear in Fourier space (2008)
We propose to measure the weak cosmic shear using the spatial derivatives of the galaxy surface brightness field. The measurement should be carried out in Fourier space, in which the point spread...
As part of the ONR sponsored Coupled Boundary Layer/Air-Sea Transfer (CBLAST) experiment, data from the NOAA WP-3D research aircraft measurements into major Hurricanes in the 2002-2004 seasons are...
Determination of Topology Skeleton of Magnetic Fields in a Solar Active Region (2007)
Zhao, Hui, Wang, Jing-Xiu, Zhang, Jun, Xiao, Chi-Jie, Wang, Hai-Min
The knowledge of magnetic topology is the key to understand magnetic energy release in astrophysics. Based on observed vector magnetograms, we have determined threedimensional (3D) topology skeleton...
An integrated genome-wide association analysis on rheumatoid arthritis data (2007)
Zhang, Jun, Zhu, Xiaofeng, Cooper, Richard S
Abstract We propose a nonparametric association analysis combining both family and unrelated case-control genotype data. Under the assumption of Hardy-Weinberg equilibrium, we formed an affected...
A double Ore extension is a natural generalization of the Ore extension. We prove that a connected graded double Ore extension of an Artin-Schelter regular algebra is Artin-Schelter regular. Some...
Double Extension Regular Algebras of Type (14641) (2007)
We construct several families of Artin-Schelter regular algebras of global dimension four using double Ore extension and then prove that all these algebras are strongly noetherian, Auslander regular,...
Pushout Artin-Schelter Regular Algebras (2007)
Take $k$ a field and $A, B, C$ $k$-algebras with $C \subset A, B$ as subalgebra, then there is the pushout $D=A\cup_C B$, which is again a $k$-algebra. We would like to know when is $D$ an...
Proteome analysis of human gastric cardia adenocarcinoma by laser capture microdissection (2007)
Cheng, Yan, Zhang, Jun, Li, Yang, Wang, Yan, Gong, Jun
Abstract Background The incidence of gastric cardiac adenocarcinoma (GCA) has been increasing in the past two decades in China, but the molecular changes relating to carcinogenesis have not been well...
Sarikaya, Ismet, Povoski, Stephen P, Al-Saif, Osama H, Kocak, Ergun, Bloomston, Mark, Marsh, Steven, ...
Abstract Background The purpose of this study was to combine intraoperative gamma probe (GP) detection with preoperative fluorine 18-fluoro-2-deoxy-glucose positron emission tomography ( 18 F...
Temperature-dependent orbital-moment anisotropy in dilute magnetic oxides (2007)
Zhang, Jun, Skomski, Ralph, Lu, Yongfeng, Sellmyer, David J.
A striking magnetization anisotropy in thin films of vanadium-doped stannic oxide is reported and investigated. The single-crystalline Sn1-xVxO2 (0≤x≤0.1) thin films, grown on Al2O3 substrate,...
Sarikaya, Ismet, Bloomston, Mark, Povoski, Stephen P, Zhang, Jun, Hall, Nathan C, Knopp, Michael V, ...
Abstract Background Although frequently used for tumor surveillance, the sensitivity of carcinoembryonic antigen (CEA) to detect recurrent colorectal cancer (CRC) is not optimal. Fluorine...
Structure and magnetism of V-doped SnO2 thin films: effect of the substrate (2007)
Zhang, Jun, Skomski, Ralph, Yue, L. P., Lu, Yongfeng, Sellmyer, David J.
We report on the structure and magnetism of V-doped SnO2 thin films grown by pulsed laser deposition. The structure and magnetic properties of the films strongly depend on the substrates on which the...
Xu, Dongsheng, Zhang, Jun, Coleman, Tricia, Fagot, Ashley, Kotalik, Catherine, Zhao, Lingjun, ...
The majority of AIDS-associated primary effusion lymphomas (PEL) are latently infected with both Kaposi's sarcoma-associated herpesvirus (KSHV) and Epstein-Barr virus (EBV). PELs harboring two...
Zhang, Jun, Solanki, S. K., Woch, J., Wang, Jingxiu
Using data recorded by the Michelson Doppler Imager (MDI) instrument on the Solar and Heliospheric Observatory (SOHO), we have traced 123 pairs of opposite magnetic polarity moving magnetic features...
Comparison of Magnetic Flux Distribution between a Coronal Hole and a Quiet Region (2007)
Zhang, Jun, Ma, Jun, Wang, Haimin
Employing Big Bear Solar Observatory (BBSO) deep magnetograms and H${\alpha}$ images in a quiet region and a coronal hole, observed on September 14 and 16, 2004, respectively, we have explored the...
Magnetic Evolution and Temperature Variation in a Coronal Hole (2007)
Zhang, Jun, Zhou, Guiping, Wang, Jingxiu, Wang, Haimin
We have explored the magnetic flux evolution and temperature variation in a coronal-hole region, using Big Bear Solar Observatory (BBSO) deep magnetograms and {\it SOHO}/EIT images observed from 2005...
Discovery of inward moving magnetic enhancements in sunspot penumbrae (2007)
Zhang, Jun, Solanki, S., Woch, J.
Sunspot penumbrae show a fine structure in continuum intensity that displays considerable dynamics. The magnetic field, in contrast, although also highly structured, has appeared to be relatively...
Zhang, Jun, Li, Leping, Song, Qiao
The major solar event on 2006 December 13 is characterized by the approximately simultaneous occurrence of a heap of hot ejecta, a great two-ribbon flare and an extended Earth-directed coronal mass...
Suppression of 1/f noise in one-qubit systems (2007)
Kuopanportti, Pekko, Mottonen, Mikko, Bergholm, Ville, Saira, Olli-Pentti, Zhang, Jun, Whaley, K. Birgitta
We investigate the generation of quantum operations for one-qubit systems under classical noise with 1/f^\alpha power spectrum, where 2>\alpha > 0. We present an efficient way to approximate the...
Experimental quantum "Guess my Number" protocol using multiphoton entanglement (2007)
Zhang, Jun, Bao, Xiao-Hui, Chen, Teng-Yun, Yang, Tao, Cabello, Adan, Pan, Jian-Wei
We present an experimental demonstration of a modified version of the entanglement-assisted "Guess my Number" protocol for the reduction of communication complexity among three separated parties. The...
Structure and magnetic properties of Mn-doped ZnO thin films (2007)
Zhang, Jun, Li, Xingzhong, Shi, J., Lu, Yongfeng, Sellmyer, David J.
We report the structure and magnetic properties of Zn1-xMnxO thin films grown on Si(001) substrates by pulsed laser deposition. Structure and phase evolution with Mn doping has been studied using...
Statement of problem . Poor School Performance (PSP) among Low Birth Weight (LBW) survivors has been found to be a prevalent public health problem. The phenomenon can be substantially attributed to...
Yamazaki, Hiroshi, Fujita, Haruka, Gunji, Takaaki, Zhang, Jun, Kamataki, Tetsuya, Cashman, John R., ...
The reduced capacity of flavin-containing monooxygenase 3 (FMO3) to N-oxidize trimethylamine (TMA) is believed to cause a metabolic disorder. The aim of this study was to investigate the...
Yamazaki, Hiroshi, Fujita, Haruka, Gunji, Takaaki, Zhang, Jun, Kamataki, Tetsuya, Cashman, John R., ...
The reduced capacity of flavin-containing monooxygenase 3 (FMO3) to N-oxidize trimethylamine (TMA) is believed to cause a metabolic disorder. The aim of this study was to investigate the...
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
Power control in wireless ad hoc networks (2007)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2007
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
Power control in wireless ad hoc networks / (2007)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2007.
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
An integrated genome-wide association analysis on rheumatoid arthritis data. (2007)
Zhang, Jun, Zhu, Xiaofeng, Cooper, Richard S
ABSTRACT : We propose a nonparametric association analysis combining both family and unrelated case-control genotype data. Under the assumption of Hardy-Weinberg equilibrium, we formed an affected...
Direct torque controlled induction machines for integrated starter/alternator system (2007)
An integrated starter/alternator (ISA) has been proposed for the future 42 V PowerNet, which combines both starter and alternator functions into a single electrical machine with bidirectional power...
Understanding the sharing of rival information: A simulation approach (2007)
In this preliminary study, we proposed a mathematical information sharing model for rival information and simulated the information sharing behaviors in systems confronting the social dilemma. The...
Security of decoy-state quantum key distribution with inexactly controlled source (2006)
Wang, Xiang-Bin, Peng, Cheng-Zhi, Zhang, Jun, Pan, Jian-Wei
We show the unconditional security of decoy-state method quantum cryptography with whatever intensity error pattern provided that the error is not too large. Our result immediately applies to the...
Structural study of Mn-doped ZnO fi lms by TEM (2006)
Li, Xingzhong, Zhang, Jun, Sellmyer, David J.
The structural study of diluted magnetic semiconductors is important for interpreting the ferromagnetic behavior associated with the materials. In the present work, a series of low concentration...
Measuring the Cosmic Shear in Fourier Space (2006)
We propose to measure the weak cosmic shear using the spatial derivatives of the galaxy surface brightness field. The measurement should be carried out in Fourier space, in which the point spread...
Surface Waves on a Semi-toroidal Water Ring (2006)
Jung, Sunghwan, Kim, Erica, Shelley, Michael, Zhang, Jun
We study the dynamics of surface waves on a semi-toroidal ring of water that is excited by vertical vibration. We create this specific fluid volume by patterning a glass plate with a hydrophobic...
This thesis presents an e-learning solution to facilitate formative assessment of electronically submitted open-ended written assignments.It is widely accepted that formative assessment is highly...
This thesis presents an e-learning solution to facilitate formative assessment of electronically submitted open-ended written assignments.It is widely accepted that formative assessment is highly...
This thesis presents an e-learning solution to facilitate formative assessment of electronically submitted open-ended written assignments.It is widely accepted that formative assessment is highly...
Ferromagnetic properties of epitaxial manganite films on SrTiO3/Si heterostructures (2006)
Pradhan, A.K., Dadson, J.B., Hunter, D., Zhang, K., Mohanty, S., Jackson, E.M., ...
We report on the magnetic properties of epitaxial La0.7Ba0.3MnO3 and La0.7Sr0.3MnO3 films on Si (100) and Si (111) substrates using SrTiO3 template layer, which demonstrate magnetic and electrical...
A Linear Perturbation Theory of Inhomogeneous Reionization (2006)
Zhang, Jun, Hui, Lam, Haiman, Zoltan
We develop an analytic approach to study inhomogeneous reionization on large scales by solving the equations of ionization balance and radiative transfer to first order in perturbations. Given the...
Peng, Cheng-Zhi, Zhang, Jun, Yang, Dong, Gao, Wei-Bo, Ma, Huai-Xin, Yin, Hao, ...
We demonstrate the decoy-state quantum key distribution (QKD) with one-way quantum communication in polarization space over 102km. Further, we simplify the experimental setup and use only one...
Dynamics of a deformable body in a fast flowing soap film (2006)
Jung, Sunghwan, Mareck, Kathleen, Shelley, Michael, Zhang, Jun
We study the behavior of an elastic loop embedded in a flowing soap film. This deformable loop is wetted into the film and is held fixed at a single point against the oncoming flow. We interpret this...
Experimental Quantum Communication without a Shared Reference Frame (2006)
Chen, Teng-Yun, Zhang, Jun, Jin, Xian-Min, Yang, Bin, Zhang, Qiang, ...
We present an experimental realization of a robust quantum communication scheme [Phys. Rev. Lett. 93, 220501 (2004)] using pairs of photons entangled in polarization and time. Our method overcomes...
Nioka, Shoko, Kime, Ryotaro, Sunar, Ulas, Im, Joohee, Izzetoglu, Meltem, Zhang, Jun, ...
Abstract Background This article introduces a novel method to continuously monitor regional muscle blood flow by using Near Infrared Spectroscopy (NIRS). We demonstrate the feasibility of the new...
Indirect exchange in dilute magnetic semiconductors (2006)
Skomski, Ralph, Zhou, J., Zhang, Jun, Sellmyer, David J.
A generalized Ruderman-Kittel-Kasuya-Yosida (RKKY) approach is used to calculate indirect exchange interactions between localized spins in doped magnetic semiconductors. The exchange is mediated by...
Ferromagnetic resonance studies in ZnMnO dilute ferromagnetic semiconductors (2006)
Lasley-Hunter, B., Hunter, D., Noginov, Maxim, Dadson, J.B., Zhang, K., Rakhimov, R.R., ...
We report on the ferromagnetic resonance studies on ZnMnO films grown by the pulsed-laser deposition technique. ZnMnO films were annealed in different atmospheres. The films grown and annealed in...
Self-assembled nanocrystalline epitaxial manganite films on SrTiO3/Si heterostructures (2006)
Hunter, D., Dadson, J.B., Zhang, K., Lasley, B., Lord, K., Williams, T.M., ...
We report the growth and magnetic characterizations of La0.7Ba0.3MnO3 and La0.7Sr0.3MnO3 films on SrTiO3-buffered Si (100) and Si (111) substrates by pulsed-laser deposition. The structural studies...
Oxide-based dilute ferromagnetic semiconductors: ZnMnO and Co:TiO2 (2006)
Pradhan, A.K., Hunter, D., Lasley-Hunter, B., Dadson, J.B., Zhang, Kai, Rakhimov, R.R., ...
We report on ferromagnetic properties of ZnMnO and Co:TiO2 films grown by pulsed laser deposition with varying growth conditions. We have demonstrated that ZnMnO films show ferromagnetic properties...
Random walks in cosmology: Weak lensing, the halo model, and reionization (2006)
This thesis discusses theoretical problems in three areas of cosmology: weak lensing, the halo model, and reionization. In weak lensing, we investigate the impact of the intrinsic alignment on the...
Production planning for biomaterial manufacturing systems (2006)
This dissertation focuses on production/operation control and planning in biomaterial manufacturing systems (BMS). This research studies the characterisctics of BMS, and develops a dynamic production...
On unidirectional flight of a free flapping wing (2006)
Vandenberghe, Nicolas, Zhang, Jun, Childress, Stephen
We study the dynamics of a rigid, symmetric wing that is flapped vertically in a fluid. The motion of the wing in the horizontal direction is not constrained. Above a critical flapping frequency,...
Handheld tumor scanner for breast cancer detection (2006)
Zhao, Zhongyao, Zhang, Jun, Du, Juan, Nioka, Shoko, Chance, Britton
Item from the Biomedical Technology Showcase held July 20, 2006 at Drexel University's Bossone Research Enterprise Center.
Tujia yu yu yin yan jiu (2006)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006
Solution-grown method of CdS film by ultrasonical colloid chemistry deposition technique (2006)
Hai-Ning Cui, Manuel F. Costa, V. Teixeira, Jun Zhang
A technique called ultrasonical colloid chemistry deposition (UCCD) has been used to produce bar-shaped ultrafine particles (UFP) cadmium sulphide films. UV-visible spectra and electron micrographic...
This thesis presents an e-learning solution to facilitate formative assessment of electronically submitted open-ended written assignments.It is widely accepted that formative assessment is highly...
This thesis presents an e-learning solution to facilitate formative assessment of electronically submitted open-ended written assignments.It is widely accepted that formative assessment is highly...
Investigating self-assembly of functionalized nanotubes and peptides by tunneling microscopy (2006)
Scanning tunneling microscopy (STM) is an ideal tool for probing the chemistry and physics of these types of nanostructures. Building upon on our previous carbon nanotube research, we have...
Magnetic and spectroscopic characteristics of ZnMnO system (2005)
Hunter, D., Zhang, Kai, Dadson, J.B., Mohanty, S., Williams, T.M., ...
We report on the observation of room-temperature ferromagnetism in epitaxial (Zn,Mn)O films grown by a pulsed-laser deposition technique using high-density targets. The X-ray, microscopic,...