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24 articles for “Sampling Frequency”
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Research ArticleOpen accessIn the keywordsThe Optimal Implementation of a Generator of SinusoidSouhila Boudjema, Kaddour SaouchiThe embedded systems occupy a place increasingly important in our daily life. In recent years much of research it is focused on the miniaturization of the various electronic devices. In this study we present the architecture of a digital generator of frequency based on trigonometrically algorithm to obtain sample high frequencies. We treat a comparative study between various processors CORDIC: … …American Journal of Applied Sciences, Vol. 12, Issue 8 · 17 Sep 2015 · 6,292 accessesView PDFCite
Research ArticleOpen accessIn the abstractCattle Raising Practices in North-West CambodiaSophany Morm, Koemseang Nhuong, Vibol Peuo et al.We aimed to assess current cattle farming practices in northwest Cambodia in terms of economy, practical management, productivity, and sustainability. The study sites were selected in four provinces (Pursat, Battambang, Pailin, and Banteay Meanchey) with 316 cattle livestock farmers interviewed as representative samples using systematic sampling. A stratified sampling method was utilized. Data were analyzed and descriptive statistics was used … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 7 Dec 2024 · 6,320 accessesView PDFCite
Research ArticleOpen accessIn the abstractLivelihood and Resource Interaction of Households in Itu Wetland, NigeriaDaniel Etim Jacob, Imaobong Ufot Nelson, Juliet Oluwaseun DicksonThe study empirically assessed theinteractions between the Itu wetland resource of Akwa Ibom State and thelivelihoods of the communities within it. A two-stagesampling method involving purposive sampling of 30% (6 communities) based onproximity to the resource and random selection of 30 households from the selectedcommunities was utilized. In addition, 118 respondents were sampled using asemi-structured questionnaire. The outcome of the … …American Journal of Environmental Sciences, Vol. 18, Issue 5 · 3 Nov 2022 · 5,841 accessesView PDFCite
Research ArticleOpen accessIn the abstractPopulation and Behavior Surveys of Long-Tailed Macaque (Macaca fascicularis) in the Old Town, Lopburi ProvinceDuangjai Boonkusol, Pornchai Sanyathitiseree, Suporn Thongyuan, Nantana JangsuwanLong-tailed macaque (Macaca fascicularis) in the old town, Lopburi province rapid increase in their number as well nuisance activities. Strategies and management plans of Lopburi province, Thailand need to be developed and enacted in order to remedy some of the problems occurring in human-macaque interface zones. Therefore, this study aimed to investigate the macaque number and behavior, a survey on … …OnLine Journal of Biological Sciences, Vol. 18, Issue 2 · 8 May 2018 · 8,956 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Heavy Metal Cu, Pb, Cd Contamination in Dust in Zahedan City using Pollution Indices and GIS and Geo Statistics Technologies, Zahedan, IranKaveh Ostad-Ali-Askari, Hossein Gholami, Meysam Madadi et al.Assessment of heavy metal contamination is of great importance given its hazardous impacts on humans and the environment. Atmosphere is an important path for heavy metals transportation and plays a major role in the bioaccumulation of heavy metals in the environment. The present research aims to assess soil pollution to heavy metals of lead, copper and cadmium in Zahedan using … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 4 · 30 Dec 2020 · 6,860 accessesView PDFCite
Research ArticleOpen accessIn the abstractA 10GHZ Low-Offset Dynamic Comparator for High-Speed and Lower-Power ADCSBakoune Pierre Hypolite, Wembe Tafo Evariste, Moukengue Imano AdolpheThis paper proposed a design of low-voltage Dynamic Comparator using 90 nm PTM CMOS technology for high-speed and Lower-power Analog to Digital Converter (ADC) applications. The double tail structure is employed as based for design new comparator with positive feedback due to best behavior in low-voltage that allows low delay time; decreases the offset voltage and power dissipation. Simulation results … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 2 · 6 May 2019 · 7,671 accessesView PDFCite
Research ArticleOpen accessIn the abstractCytogenetic Analysis among Train Depot Workers Exposed to Total Volatile Organic CompoundsNormah Awang, Siti Adillah Isah, Asmah HamidOccupational exposure to toxic chemicals such as Total Volatile Organic Compounds (TVOC) from diesel engine exhaust implicates genotoxic risk. The objective of this study was to determine the DNA damage among KL Sentral depot workers exposed to TVOC by means of cytogenetic analysis. Data were obtained partially from disseminated questionnaires and buccal cells samples were collected from a total of … …OnLine Journal of Biological Sciences, Vol. 15, Issue 2 · 12 Jun 2015 · 7,443 accessesView PDFCite
Research ArticleOpen accessIn the abstractNEURO FUZZY BASED PERFORMANCE ANALYSIS OF MULTIBAND ULTRA WIDE BAND ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEMG. Joselin Retna Kumar, K. S. ShajiThis study proposes an efficient channel-estimation scheme for Multiband (MB) Orthogonal Frequency Division Multiplexing (OFDM)-based Ultra Wide Band (UWB) communication systems. One of the challenges in wireless system is the frequency selective fading caused due to multipath channel between the transmitter and receiver. The signal bandwidth in broad band cellular wireless systems typically exceeds the coherence bandwidth of the multipath … …Journal of Computer Science, Vol. 10, Issue 8 · 5 Mar 2014 · 6,616 accessesView PDFCite
Research ArticleOpen accessIn the abstractOccupational Exposure of Pesticides on Activities of Alanine aminotransferase and γ-Glutamyltranspeptidase in Blood among Vegetables FarmersShamsul Bahari Shamsudin, T. Hang YapProblem statement: Most vegetable farmers are using agricultural chemicals on their farms. Many of these chemicals are used to control pests and are known as pesticides. Pesticides can be considered according to their chemical basis. Most of the more toxic pesticides fall into chemical groups of organophosphates, carbamates and bipyridyls. Approach: The general objective to study the level of liver … …Current Research in Medicine, Vol. 2, Issue 2 · 4 Oct 2011 · 7,938 accessesView PDFCite
Research ArticleOpen accessIn the abstractVLSI Implementation of Novel Class of High Speed Pipelined Digital Signal Processing Filter for Wireless ReceiversRozita Teymourzadeh, Yazan Samir Algnabi, Masuri Othman et al.Problem statement: The need for high performance transceiver with high Signal to Noise Ratio (SNR) has driven the communication system to utilize latest technique identified as over sampling systems. It was the most economical modulator and decimation in communication system. It has been proven to increase the SNR and is used in many high performance systems such as in the … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 5 Nov 2010 · 7,815 accessesView PDFCite