المؤتمرات العلمية: التقديمات الحديثة
الآن تُعرض المواد 141 -- 160 من 164
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Long Term Peak Load Forecasting for the Libyan Network
(CEST-2018, 2018-09-27)Long term load demand forecasting is a necessary process in electric power system operation and development. It contains the accurate prediction of both magnitudes and geographical locations of electric load over the ... -
Experimental Investigation on the Performance Evaluation of Solar Tracking Photovoltaic System
(CEST-2018, 2018-09-27)The optimization of photovoltaic (PV) power generating system needs to be magnified by maximizing the solar radiation falling perpendicular on the PV module surface. The photovoltaic module can extract maximum power from ... -
Optimal Power Loss Minimization using Optimal Size and Location of Shunt Capacitors, and DG
(CEST-2018, 2018-09-27)One of the biggest problems that face the electric distribution network is the power losses, which could be reduced for obtaining a good voltage improvement. Two effective case studies have been used to minimize the ... -
Micro gas turbine simulation and control
(CEST-2018, 2018-09-27)Gas turbines are widely used in power generation plants due to their compactness, fast start-stop sequences, and their applications, and...etc. A split shaft micro-turbine mechanical model is used. Three main controllers ... -
Capability of Modified SIFT to Match Stereo Imagery System
(CEST-2018, 2018-09-27)This paper presents an improved version of SIFT method for extracting invariant features from images that can be used to solve the correspondence problem between different views of an object or scene in an image. Scale ... -
Experimental Evaluation of the Humans’ Health Hazards’ Potential Due to Exposure to the Microwaves’ Radiations in Garaboulli City-Libya
(CEST-2018, 2018-09-27)There is a high concern worldwide about the effects of the high level of energy of the transmitted electromagnetic radiations for the wireless communications on the humans’ health. So, the purpose of this study is to ... -
Combined Image Encryption and Steganography Algorithm in the Spatial Domain
(CEST-2018, 2018-09-27)In recent years, steganography has emerged as one of the main research areas in information security. Least significant bit (LSB) steganography is one of the fundamental and conventional spatial domain methods, which is ... -
Modeling and Performance Evaluation of MapReduce in Cloud Computing Systems Using Queueing Network Model
(CEST-2018, 2018-09-27)MapReduce is a two -stage information processing technique and it is common concept for big data. Map and Reduce procedures are distributed among some processors within a cluster in the cloud. The performance modeling and ... -
Bandwidth Optimization Through Hybrid Codecs G.711 and G.729 for VoIP Ethernet, FR and MP Networks
(CEST-2018, 2018-09-27)With the rapid growth in both internet and telecommunication technologies, VoIP has become more and more popular and expected to replace the traditional telephony services. The main issues in communication of real time ... -
Fast Efficient Transforms for Contours Extraction and Image Compression using Zonal Sampling Methods
(CEST-2018, 2018-09-27)People who use digital image processing techniques usually deal with a huge amount of data. Because storing image data for future needs requires a lot of storage space. In a similar way, sending image data at a reasonable ... -
Fast Efficient Transforms for Contour Extraction from Encrypted Medical Image
(CEST-2018, 2018-09-27)The necessity of knowing the boundaries of the image is occupies the most important to researchers. With clear conrours, the doctor can easily diagnose the patient's condition. This is possible, but the challenge is whether ... -
Enhancement of Bandwidth of U-shape Loaded Microstrip Patch Antenna According to 802.11b Standard
(CEST-2018, 2018-09-27)The bandwidth of microstrip antennas is proportional to the thickness of the substrate that used. Since most substrates are very thin in terms of wavelengths, the bandwidth is usually small. To enhance the bandwidth, a ... -
Hearing Protection System By Using a Simple Noise Reduction Strategy
(CEST-2018, 2018-09-27)In this paper, a very brief discussion and analysis of the noise problem are given particularly at the work environment, where the workers hearing system needs to be protected from an excessively loud noise source but at ... -
Color Image Encryption in the Spatial Domain Using 3-D Chaotic System
(CEST-2018, 2018-09-27)ABSTRACT Users of Internet daily send and receive many images through social media. These images are vulnerable to hack by attackers. Therefore, it is necessary to develop methods to protect these images against attackers. ... -
Iterative Time-Varying Filter Algorithm Based on Discrete Linear Chirp Transform
(CEST_2018, 2018-09-27)Denoising of broadband non--stationary signals is a challenging problem in communication systems. In this paper, we introduce a time-varying filter algorithm based on the discrete linear chirp transform (DLCT), which ... -
A Novel Chaotic Uniform Quantizer for Speech Coding
(CEST-2018, 2018-09-27)Quantization is an essential step in the analog-to-digital conversion process and it is very important in all modern telecommunication systems. In this paper, a novel chaotic uniform quantizer is proposed and its application ... -
Handwriting Arabic Words Recognition Based on Structural Features
(CEST-2018, 2018-09-27)Handwriting recognition technology is the ability of a computer to recognize characters, words and other symbols that have been written by hand in natural handwriting. This study presents a method for recognition of ... -
Using Triple Modular Redundant (TMR) Technique in Critical Systems Operation
(CEST-2018, 2018018-09)Many computing systems used in applications of critical systems utilize fault tolerance criteria for normally continuing to operate. Operating in the presence of faults is required in many applications for safety and ... -
Building English Vocabulary Schema and Words Retention using Review Value Calculation for English as Secondary Language Students
(CEST-2018, 2018-09-27)Vocabularies, the core of any language, is probably the most challenging and time consuming part of learning a foreign language in a diverse and disperse community of learners. This study proposes an approach that can help ... -
The performance of Space Time Block Coding (STBC) in MIMO relay network
(CEST-2018, 2018-09-27)This paper is presenting the performance analysis of a cooperative MIMO(Multiple-Input-Multiple-Output) relaying system with a single relay based on Alamouti scheme. It examines the Space Time Codes (STC) techniques where ...