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Speech Enhancement Using Dual Transform-Normalized LMS Algorithm for Speech Recognition Application

Speech enhancement is one of the important preprocessing techniques required for any speech processing applications. This work represents dual channel speech enhancement where the desired signal is available and the input noisy speech is enhanced based on the reference signal, this method of speech enhancement can be used in robots where the machine can recognize the comments given by human. In this paper noisy and the desired speech signals are dual transformed using discrete cosine transform and Hadamard transform and applied to the adaptive filter using Normalized Least Mean Square algorithm. In NLMS the step size parameter is varying based on the input signal rather in LMS the step size is constant. This variable step size will lead to fast convergence of noisy speech towards desired speech and the enhanced signal gives better performance compared to conventional LMS algorithm. The performance analysis is done through various subjective and objective measures.

Published by: Dr. D. Deepa, Dr. C. Poongodi

Author: Dr. D. Deepa

Paper ID: V3I4-1332

Paper Status: published

Published: August 23, 2017

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Review Paper

Review on Distribution System Reconfiguration for Minimizing Losses and Utilization of DG for Improvement in Voltage Profile

Power distribution networks are mostly operated in radial configuration. The dynamics of the distribution system operations often requires reconfiguration of the network. Distribution network reconfiguration is achieved by using sectionalizing switches that remain normally closed and tie switches that remain normally open. The main purpose of the reconfiguration is to minimize active power losses in order to improve distribution system performance addresses performance enhancement of distribution network with distributed generator (DG) integration using modified multi objective genetic (MG) algorithm. In aim of network reconfiguration is to minimize active power losses and to improve voltage quality. The constraints of network reconfiguration problem are load flow equations, upper and lower limits of bus voltages, and upper and lower limits of line currents. The effort of performance enhancement is done by using optimization of distribution network configuration. The objective of the optimization is minimizing active power loss and improving voltage profile while the distribution network is maintained in the radial structure. In this study, configuration optimization method is based on a modified MG algorithm.

Published by: Vibhuti, Shavet Sharma

Author: Vibhuti

Paper ID: V3I4-1333

Paper Status: published

Published: August 23, 2017

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Research Paper

Environmental Jurisprudence – A Journey from Vedic Culture to Supreme Court

Human civilized societies can flourish only when there is consistency and harmony among the various members of Earth community. Earth jurisprudence is the part of legal philosophy and of human governance and it is based on the idea that welfare of each member of community is based on the welfare of the earth as a whole. It seeks the relevancy of Earth community. One such area of its working is environment. The basic sense of environment protection is intrinsic in our ancient texts. At international level it is a concept, not more than a century old, but in Hinduism it was included in the ancient texts. As a result of international and national judicial interventions many principles have evolved potentially applicable to all member nations of international community in respect of protection of all aspects of environment. International legal Instruments have played a vital role in fostering environmental law , environment conservation and sustainable development . A number of treaties have been signed in order to achieve it. Various and numerous provisions are enshrined in our Constitution in order to prevent and protect environment. It is a Fundamental Right as well as a duty has also been casted upon the persons to preserve and conserve it. Our judiciary by passing various remarkable judgments and elucidating various principles has deeply and actively involved in achieving the targets of environmental Jurisprudence.The environmental jurisprudence is expanded enough through setting of committees, laying down principles and by creative and innovative thinking of various courts and judges.

Published by: C. S Priyanka Maheshwari

Author: C. S Priyanka Maheshwari

Paper ID: V3I4-1330

Paper Status: published

Published: August 23, 2017

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A General Study Of Bi-Products of Sericulture

Sericulture is an agro based industry which involves the raising of food plant for silkworm, rearing of silkworm for the production of cocoons, reeling and spinning of cocoon for the production of yarn etc. for value added benefits such as processing and weaving. Sericulture is a part-time family occupation mainly for the below poverty line poor people. Silk is an animal protein secreted by the Fifth Instar larve for spinning the cocoon. This cocoon acts as a protective covering of delicate caterpillar to pass the pupal stage inside it and metamorphosis into an adult moth.

Published by: Ameet Singh

Author: Ameet Singh

Paper ID: V3I4-1175

Paper Status: published

Published: August 23, 2017

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A Comparative Study of Swalpa Masha Taila Nasya and Swalpa Masha Taila Uttarabaktika Snehapana in the Management of an Avabahuka

Avabahuka is one among the Vatavyadhi, which hampers the normal function of the upper limbs due to vataprakopa, mainly the shoola, bahupraspandan are the lakshana of Avabahuka. Here the the Snehana (Bruhman) chikitsa is the prime treatment for Vatavyadhi. ”Vatasyopakramah snahah swedah sashodhanah mruduh”(A.H.Su.13/1) Swalpamasha tail is one having vishesh vatahar property.Because it is having guru,ushna,snigdha guna. Acharya Chakara and Vagbhatt have mentioned that Nasya and Uttarabhaktika snehapana are more effective in Avabahuka . The study was conducted to assess the efficacy of Nasyakarma and Uttarbhaktika snehapana with swalpamasha tail in Avabahuka .

Published by: Dr. Vikramaditya Jangir

Author: Dr. Vikramaditya Jangir

Paper ID: V3I4-1163

Paper Status: published

Published: August 18, 2017

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Research Paper

Detecting and Overcoming the Black Hole in MANET

The nodes in mobile ad hoc networks are prone to several attacks. This is because these networks are decentralized and any node can join in the network and any node can leave the network. So if any attacker wants to steal some information from the network, the malicious node can be deployed very easily in the network. One of the many possible attacks is the black hole attack. The black hole node shows the source node that it has shortest route to destination even if it does not have any. Therefore, the source node forwards the packets to the path, which are dropped and never reaches the destination node. The proposed scheme detects black hole attack based on the maximum sequence number for each path, which should be received. If in any route reply message, the sequence number were greater than this, the source node would reject the reply on the path. The existing and the proposed schemes were implemented in network simulator 2.35. The performance of network was analysed on the basis of the packet delivery ratio, throughput and remaining energy. These parameters showed improvement over the existing scheme.

Published by: Irfan Ahmad Wani, Pooja Garg

Author: Irfan Ahmad Wani

Paper ID: V3I4-1326

Paper Status: published

Published: August 18, 2017

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