Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Title
Now showing items 14-33 of 147
-
Cardinality enhancement of spectral/spatial modified double weight code optical code division multi-Access system by PIIN suppression
(Elsevier GmbH, 2013-10)A new two-dimensional (2-D) optical code division multiple access (OCDMA) scheme to increase the achievable system capacity is proposed. The code exhibits good cross-correlation property time and wavelength shift. Performances ... -
Channels estimation in OFDM system on block-type and comb-type pilot arrangement
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ... -
A chaotic neural network based encryption algorithm for MPEG-2 encoded video signal
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this paper, a cipher system based on Chaotic Neural Network (CNN) is used to encrypt and construct a stream cipher of compressed MPEG-2 video signal. The symmetric CNN cipher algorithm transforms the plaintext (compressed ... -
Characteristic region based image steganography using Speeded-Up Robust Features technique
(Institute of Electrical and Electronics Engineers (IEEE), 2012)Steganography is the art and science of invisible communication. It is employed in different useful a pplications, like, safe circulation of secret data and Medical I maging Systems. For most of the current steganography ... -
Classification of driver drowsiness level using wireless EEG
(Przegląd Elektrotechniczny, 2013)In this work, wireless Electroencephalogram (EEG) signals are used to classify the driver drowsiness levels (neutral, drowsy, high drowsy and sleep stage1) based on Discrete Wavelet Packet Transform (DWPT). Two statistical ... -
Cognitive wireless sensor actor network: an agricultural perspective
(ICIC International, 2014-04)Intelligent environments are exposing the next revolutionary steps of development technologies in automation of building, industrial, home, and transportation systems. The new generation of Wireless Sensor Actor Networks ... -
Coherence in muscle activity of the biceps brachii at middle, proximal and distal tendon region among the arm wrestling contestants
(Scientific Publishers of India, 2013)The aim of this study was to analyze the electromyographic (EMG) activity of biceps brachii (BB) muscle under the same muscle contraction in three different locations. For this reason, arm wrestling contest was conducted ... -
Comparison of colour thresholding method using RGB and HSI information for Ziehl-Neelsen sputum slide images
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-10)Image segmentation technique for Ziehl-Neelsen sputum slide image is an important factor in extracting tuberculosis (TB) bacilli from the background and sputum cells. Colour threshold using Red, Green, Blue (RGB) information ... -
Design and analysis of a novel dielectric loaded helical antenna
(World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)Helical antennas have been a popular antenna configuration for various applications for its simple structure. This work describes the study on a novel, custom-shaped dielectric loaded helical antenna incorporated on an ... -
Design and analysis of an UTeM antenna
(Institute of Electrical and Elctronics Engineering (IEEE), 2010-04-12)Meander line antenna design with parasitic element was investigated. The overall antenna design structure referred to the UTeM logo. This antenna has been designed to operate at 2.4GHz which are specified by IEEE 802.11b/g ... -
Design and implementation of fail -recover operation for embedded system based FPGA
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)High speed digital systems are often applied in critical tasks or in environments where a failure can result in unacceptable malfunctions or in dangerous situations for people. This proposal presented Fail-Recover Operation ... -
Design and simulation a new code with zero cross-correlation for SAC-OCDMA networks
(INSInet Publications, 2012-03)Design and simulation of new code family for the Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) networks is present. The new code family called Multi Diagonal (MD) code. The MD code family ... -
Design and simulation of Orthogonal Frequency Division Multiplexing transceiver system using Differential Phase Shift Keying (DPSK) for Wireless Local Area Network
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-11)Orthogonal Frequency Division Multiplexing (OFDM) is predicted to be implemented in future broadcasting and Wireless Local Area Network (WLAN) systems due to its robustness in transmitting a high data rate. Some examples ... -
Design considerations of high performance optical code division multiple access: A new spectral amplitude code based on laser and light emitting diode light source
(The Institution of Engineering and Technology, 2010-02-01)A new code of optical code division multiple access (OCDMA) based on spectral amplitude coding (SAC) is described and analysed. The coding technique is called random diagonal (RD) code. One of the important properties of ... -
Design of spectral amplitude coding optical code-division multiple-access system using random diagonal codes
(Fachverlag Schiele & Schoen GmbH, 2008)In this paper we study the use of a new code called Random Diagonal (RD) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, RD code is constructed using code level and data ... -
Detecting TCP SYN flood attack based on anomaly detection
(Institute of Electrical and Electronics Engineers (IEEE), 2010-09-22)The adsorption of Cu, Cd, Ni, Zn, and Cr from synthetic solutions on powdered activated carbon (PAC), activated sludge, and dried sludge were investigated under laboratory conditions to assess its ability to remove heavy ... -
Detection of tubercle bacilli in Ziehl-Neelsen stained sputum slide images using Hu’s moment and HMLP network
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Manual screening by light microscopy is the most widely used method for tubercle bacilli detection in the developing country. However, it is a time consuming and labour-intensive process. In this paper, a method using image ... -
Development and performance evaluation of hierarchical quadrature amplitude modulation (HQAM) for image transmission over wireless channels
(Institute of Electrical and Electronics Engineers (IEEE), 2011-09-20)Asymmetric modulation techniques like Quadrature Amplitude Modulation system is one of the key techniques in building a broadband mobile communication network because of increasing shortage of wireless communication channels. ... -
Development of Discrete Wavelet Transform (DWT) toolbox for signal processing applications
(Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)Discrete Wavelet Transform (DWT) plays a significant role in several image and signal processing applications. Most of the researchers are using different wavelet toolboxes for their application and research investigation. ... -
Development of EEG data acquisition device by using TS7800 Single Board Computer (SBC)
(Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2012-02-27)Electroencephalogram (EEG) plays a vital role in several medical diagnosis (brain tumor detection, Alzheimer disease, epilepsy, etc), engineering applications (emotion detection, drowsiness detection, stress assessment, ...