نتایج جستجو برای: hybrid schemes

تعداد نتایج: 289827  

Journal: :international journal of civil engineering 0
h. oucief m.f. habita b. redjel

in most cases, fiber reinforced self-compacting concrete (frscc) contains only one type of fiber. the use of two or more types of fibers in a suitable combination may potentially not only improve the overal properties of self-compacting concrete, but may also result in performance synergie. the combining of fibers, often called hybridization, is investigated in this paper for a cimentetious mat...

Journal: :Int. Arab J. Inf. Technol. 2008
Ratna Sahbudin Syed Alwee Aljunid Mohd Abdullah Mohd bin Abdul Samad Mohd Mahdi Mahamod Ismail

This paper presents the comparative performance of two detection schemes based on subtraction detection technique for a hybrid scheme of subcarrier multiplexed spectral-amplitude-coding optical code division multiple access (SCM SAC-OCDMA) system. SAC-OCDMA systems are receiving more attention because of their ability to completely eliminate multi access interference by using code sequences wit...

Journal: :EURASIP J. Adv. Sig. Proc. 2010
Alfonso Bahillo Santiago Mazuelas Rubén M. Lorenzo Patricia Fernández Javier Prieto Ramón J. Durán Evaristo J. Abril

Nowadays, a variety of information related to the distance between two wireless devices can be easily obtained. This paper presents a hybrid localization scheme that combines received signal strength (RSS) and round-trip time (RTT) information with the aim of improving the previous localization schemes. The hybrid localization scheme is based on an RSS ranging technique that uses RTT ranging es...

2016
Kyeong-Jun Lee Jae-Ik Lee Chan-Keun Park

In reliability analysis, it is quite common for the failure of any individual or item to be attributable to more than one cause. Moreover, observed data are often censored. Recently, progressive hybrid censoring schemes have become quite popular in life-testing problems and reliability analysis. However, a limitation of the progressive hybrid censoring scheme is that it cannot be applied when f...

2009
M. A. Ahmad

This paper presents experimental investigations into the development of hybrid input shaping and PID control for vibration suppression and input tracking of a flexible robot manipulator. Initially, a PID controller is developed for control of rigid-body motion of the system. This is then extended to incorporate a feedforward controller based on input shaping techniques for vibration control. Ex...

1998
Narayanan Vijaykrishnan N. Ranganathan Ravi Gadekarla

In this paper, we propose architectural support for object manipulation, stack processing and method invocation to enhance the execution speed of Java bytecodes. First, a virtual address object cache that supports efficient manipulation and relocation of objects is presented. The proposed scheme combines the serialized handle and object lookup into a single lookup. Next, the extended folding op...

2017
Sohrab Mirsaeidi Xinzhou Dong

Hybrid microgrids which consist of AC and DC subgrids interconnected by power electronic interfaces have attracted much attention in recent years. They not only can integrate the main benefits of both AC and DC configurations, but also can reduce the number of converters in connection of Distributed Generation (DG) sources, Energy Storage Systems (ESSs) and loads to AC or DC buses. In this pape...

2010
AHMED FRIKHA SAMER LAHOUD

Abstract: Enabling the inter-domain routing with end-to-end Quality of Service (QoS) guarantees, remains a challenge for the next generation Internet. Most of the existing research in QoS routing has been done considering a single domain. However, extending the QoS routing to the inter-domain level faces two major challenges: the scalability and the domain autonomy. In this paper, we propose a ...

2003
Qian Huang Li Ping Sammy Chan King-Tim Ko

A novel trellis-coded modulation-based hybrid ARQ scheme which provides multiple levels of error correction is proposed in this paper for efficient and reliable data transmission. The analytical throughput bounds of the proposed scheme are derived and verified by simulations. Numerical results demonstrate that an improved throughput is achieved by the proposed scheme over other recently propose...

2017
Jiawei Zhou Zuolei Wang Xuerong Shi

The pinning hybrid synchronization of time-delay hyperchaotic Lü systems is investigated via linear control. Based on Lyapunov stability theory, the coexistence of pinning anti-synchronization and complete synchronization of time-delay hyperchaotic Lü systems is obtained via one single controller. Sufficient conditions are obtained to achieve the hybrid Pinning synchronization. Numerical simula...

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