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Specific absorption rate (SAR) is employed here to study the relationship between the radiation of a mobile handset and the Chinese electromagnetic human model (CEMHM) with different resolution. In the paper, 3D anatomically realistic CEMHM models with different resolution are presented by the first time. The highest resolution CEMHM model is built using the Chinese Visible Human (CVH) data set containing...
With the increasingly widespread application of cloud computing, it has become a critical task for researchers to study techniques on cloud safety and standardization. In this paper, hybrid cloud security and fair Resource Allocation related problems are investigated. A security model based on trust negotiation is presented to fit the hybrid cloud environment. Furthermore, fair resource model and...
This paper investigates the problems of robust D-stability and D-stabilization for linear discrete uncertain descriptor systems ties in the whole system matrices cover that in the coefficient matrix E. We assume that the coefficient matrix E is rank-invariant, that is, rank(E) = r ≤ n for all admissible uncertainties. Thus, we consider the robustness analysis problem as two cases: the right-descriptor...
Beam Position Measurement (BPM) system is an indispensable diagnosis instrument that is used to monitor the beam position information. A digital BPM (DBPM) has been designed for Shanghai Synchrotron Radiation Facility (SSRF). Among the different types of data that the DBPM provides, the Close Orbit (CO) data is an important one which is applied to beam monitoring, as well as feedback to keep the beam...
Visual prosthesis is designed and developed to help the blind people to restore vision [1]. Image processor is an essential part of visual prosthesis. It receives image data from a camera, and fulfills specific image processing strategy to transfer image information to data forms that can be recognized by implanted stimulator. To extract useful information from original image and provide satisfying...
Quick defense against the spread of software exploits is an important problem, and hot patching is an attractive approach to solve this problem. However, these approaches cannot adapt to cloud well, which brings new challenges to the protection of software. Among these challenges, transparency and rapid deployment are two respective requirements for protection. In this paper, we propose vPatcher,...
The potential capability of C-Band fully polarimetric synthetic aperture radar data for monitoring canola height was investigated in this study. Polarimetric parameters of canola fields were extracted with polarimetric decompositions method from multi-temporal Radarsat-2 images. Temporal behavior of polarimetric features with different varieties and sowing dates was presented from its sowing to its...
For the development of an innovative battery management system an accurate and a reliable technique for reliability of battery operations for a hybrid/electric vehicle. This paper illustrates an online SOC estimation method of a LiFePo4 battery for applications in electric vehicles by using a particle filter. Additionally, a five comparison experiments with different open circuit voltage curves exhibits...
In this paper, a conformal high-order finite difference time-domain (CHO-FDTD) scheme is present to deal with the dielectric curved objects. The general update equations of the CHO-FDTD have been derivated. The CHO-FDTD method, based on the effective dielectric constant EDC technique, is applied in scattering cases, and the conclusion are that the scheme provides the better accuracy than the HO-FDTD...
With the increasingly widespread application of computer network, it has become a critical task to detect anomalous behaviors in the field of network security. In this paper we develop an entropy-based statistical approach that determines and reports entropy contents for variables in the Management Information Base. The change of the entropy value indicates that a massive network event or an anomaly...
The time-to-digital converter(TDC) aims to mark an accurate timestamp at the time of input signal comes. The Multi-phase Clock sampling method is an usual way to map the TDC into an FPGA. Traditionally, this method provides a medium accuracy and low resources occupation. In this paper, we present a new architecture of TDC base on the 2-ISERDES in the SelectIO, rather than utilizing the Slice resources...
The time-to-digital converter(TDC) is an equipment which aims to measure the accurate time of the edges of the input signal. Our work present an I/O Tile based multi-phase clock time-to-digital TDC, which is implemented in Field-Programmable-Gate-Array(FPGA). A hit signal is sampled by 8 equidistant phase-shifted clocks in the I/O Tile. A differential I/O standard input signal connecting to the I/O...
Specific absorption rate (SAR) is employed here to study the relationship between the radiation of a mobile handset and the human eye models. In the paper, the SAR in two human eye models, whose dielectric values are increased from the original by ±10% and ±20% are studied using the finite-difference time-domain method. A dipole antenna is used as an exposure source at 1800MHz. Through the simulation,...
A methods for construction of inductively coupled implants within human or animal bodies are disclosed. An internal coil assembly to be used with the implant and receives both power and data from the external transmitting coil. The internal coil assembly design and choice of specific construction materials significantly reduces size while improving biocompatibility and ease of implantation. Nickel...
Three dimension (3D) reconstruction of medical images is widely applied to clinical diagnosis and treatment. The Marching Cubes (MC) algorithm is a well-known surface rendering method. However, the standard MC visits all cubes including active and non-active cubes by sequential traversal in the process of the isosurface extraction from scalar volumetric data sets, which is time consuming and inefficient...
We present a novel approach called Uniform Sample Compositing (USC) to improve the efficiency of gradient-domain compositing of large image, which could be implemented in significantly reduced time and memory. Firstly, our algorithm divides an original source image into many quadrilateral patches, and discards inner pixels and reserves the border pixels of patches) to constitute two low resolution...
This paper presents a soft-sensing method for predicting the liquid desiccant concentration based on the Extreme learning machine (ELM). The soft-sensing method utilizes a blackbox model including eight inputs variables and one output to predict the concentration in real-time and is a better alternative to manual measurement or expensive and complex sensors. The soft-sensing method is verified with...
In this paper, a novel joint time-frequency synchronization algorithm was developed for orthogonal frequency division multiplexing systems based on fraction Fourier transform (FrFT-OFDM) in multipath fading channel. It can eliminate the ambiguity of the first arriving path estimation in multipath channels. And the digital synchronization structure implementation based on the proposed algorithm for...
This paper presents an analytical method of shared spare redundancy in fine granularity for reconfiguration system. The particularity of spare redundancy lies that the spare unit for replacement is available for more than one functional unit. To analyze the reliability of this special redundancy system, the structure function is re-defined and the replacement matrix is proposed to represent the system...
In this paper, sum rate optimization of multiuser multiple-input multiple-output broadcast (MU-MIMO) communication systems with perfect channel state information (CSI) at the base station is investigated. Since power allocation is a signomial optimization problem in the presence of multiuser interference (MUI), it is not a convex problem in general. Several optimal solutions proposed in the literature...
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