1,724,462 research outputs found
Direct position tracking in GPS using vector correlator
Full text linkTraditional GPS receivers track the code and carrier of individual satellite signals and estimate the position and velocity of the receiver using trilateration. Different from this two-step approach, direct maximum likelihood estimation of position has proved to be beneficial in weak signal and multipath environments. In this thesis, an architecture of a direct position tracking loop that maximizes an approximation to the maximum likelihood cost function is presented. The unscented Kalman filter is used for direct position tracking using the vector correlator sum. This technique of maximizing the vector correlation sum proves to be beneficial in certain kinds of multipath environments. Further, the tracking loop architecture is validated using experiments with a software receiver.Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2015-09-29 without embargo termsThe student, Athindran Ramesh Kumar, accepted the attached license on 2015-07-20 at 10:34.The student, Athindran Ramesh Kumar, submitted this Thesis for approval on 2015-07-20 at 10:45.This Thesis was approved for publication on 2015-07-21 at 13:30.DSpace SAF Submission Ingestion Package generated from Vireo submission #8557 on 2015-09-29 at 13:23:13Made available in DSpace on 2015-09-29T20:38:43Z (GMT). No. of bitstreams: 3
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Previous issue date: 2015-07-2
Impact of Technology Transfer on Economic and Socio-cultural Life of Rural Poor in India
No full textMoS2 microflowers as a stable and high performance anode material for sodium-ion batteries
No full textSodium-ion batteries are most probable alternative system to current Li-ion batteries, because of sodium is highly abundant in earth's crust. But, Na-ion batteries still have many obstacles for commercialization, although researchers have proposed a number of electrode materials for Na-ion batteries [1, 2]. In particular, negative electrodes for Na-ion batteries are one of the major challenging issues, because graphite, the representative anode material for Li-ion batteries, shows low Na-ion intercalation/deintercalation capability [3]. Here we report the pure MoS2 microflowers with nano-sized petals which are prepared by combination of hydrothermal reaction followed by calcination for Na-ion battery anode materials. The electrochemical performance of MoS2 microflowers with different binders (PVDF, PEO and Na-alginate) is evaluated against pure Na metal in a half-cell configuration through a conversion reaction. Especially, the electrode of MoS2 microflowers with a Na-alginate binder shows excellent cyclic stability, delivering a high discharge capacity of 595 mAh g-1 after 50 cycles. Also, it exhibit high rate capability, retaining a capacity of 236 mAh g-1 at 10C without any carbonaceous materials. The improved electrochemical performance was mainly attributed to the synergetic effect of the morphology of MoS2 microflowers and good adhesive properties of alginate binder. Furthermore, we report a Na-ion full cell using the MoS2 microflowers anode with a Na3V2O2x(PO4)2F3-2x/C as a cathode material
Polyanion compounds as positive electrode materials for rechargeable aqueous sodium-ion batteries
No full textSodium-ion batteries (SIBs) are potential next-generation batteries that can alleviate the cost and resource challenges of lithium. Developing aqueous SIBs is more desirable to emphasize cost-effective factor combining with abundance of Na resources. Aqueous electrolytes exhibit higher ionic mobility as well as are cheaper than organic solvents. Moreover, safety concerns using flammable organic electrolytes could be resolve, therefore aqueous SIB systems would be safer and cheaper than the current organic solvent based LIBs. However, use of aqueous electrolytes imposes a significant challenge in finding appropriate electrode materials that operate within the limited potential window of water while generating reasonably high cell-voltages. Here we introduce two polyanion compounds with carbonaceous composites as promising electrode materials for aqueous SIBs. As the 3-dimensional frameworks of polyanion compounds can accommodate large Na ions and provide easy diffusion path as well as the structural stability, these materials show good cyclability and rate performances especially in safe and environmentally benign aqueous systems. High stability and excellent electrochemical properties of two polyanion compounds, Na2FeP2O7 and Na3V2O2x(PO4)2F3-2x, in aqueous electrolytes will be introduced
sj-docx-1-pie-10.1177_09544089231175985 - Supplemental material for Laying foundation for successful implementation of lean manufacturing through the elimination of non-value adding activities in conventional engineering products manufacturing companies
No full textSupplemental material, sj-docx-1-pie-10.1177_09544089231175985 for Laying foundation for successful implementation of lean manufacturing through the elimination of non-value adding activities in conventional engineering products manufacturing companies by Duraisamy Ramesh Kumar, Samuel Rajkumar Devadasan, Dharmalingam Elangovan and Velumani Santhosh Ranganathan in Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering</p
D-Planting pot / Harresh Ramesh Kumar ... [et al.]
No full textLabis and Segamat area is popular with the king of fruit, durian. Residents around the area will usually throw the durian peel beside the road or farm. This evenly will have the effect of breeding flies and dengue mosquitoes. The process of decay for durian peel will also release unpleasant odors and carbon dioxide gas into the environment. The aim of this innovation is to reduce the problem of throwing durian peel anywhere and reuse the durian peel. The name of this product is D-PLANTING POT. D-Planting Pot is a small pot that made from durian peel. Durian peel contains cellulose. The fibers found in durian peel are rough but suitable to make a pot. The method used to make D-PLANTING POT is semichemical pulp. All ingredients need to be made into pulp by refining, soaking, and grinding. The resulting pulp will be filtered to filter out excess water. Wet pulp will be pasted into a container. About RM 10.00 is required for an innovation project to build the filter. As a result of the innovation, the pulp is rough and can make pots. The pots produced are hard and are suitable for planting seeds. The pots produced are biodegradable. In conclusion, D-PLANTING POT can be made from durian peel and can replace poly bags during seed germination in daily life
Task irrelevant external cues can influence language selection in voluntary object naming: evidence from Hindi-English bilinguals
Full text linkWe examined if external cues such as other agents’ actions can influence the choice of language
during voluntary and cued object naming in bilinguals in three experiments. Hindi–
English bilinguals first saw a cartoon waving at a color patch. They were then asked to either
name a picture in the language of their choice (voluntary block) or to name in the instructed
language (cued block). The colors waved at by the cartoon were also the colors used as language
cues (Hindi or English). We compared the influence of the cartoon’s choice of color
on naming when speakers had to indicate their choice explicitly before naming (Experiment
1) as opposed to when they named directly on seeing the pictures (Experiment 2 and 3).
Results showed that participants chose the language indicated by the cartoon greater number
of times (Experiment 1 and 3). Speakers also switched significantly to the language
primed by the cartoon greater number of times (Experiment 1 and 2). These results suggest
that choices leading to voluntary action, as in the case of object naming can be influenced
significantly by external non-linguistic cues. Importantly, these symbolic influences can work
even when other agents are merely indicating their choices and are not interlocutors in bilingual
communicatio
AN OVERVIEW ON MOUTH DISSOLVING FILMS
No full text*S. Naveen Kumar, K. Ramesh Kumar, S. Raja Sundaram and S. Sudharsa
Effect of metal ions on Ficin from Ficus carica.
No full textThis Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page
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