Jammu and Kashmir Academy of Art, Culture and Languages

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    Emotional Intelligence, Learning Styles and Academic Achievement of Adolescent Students of 10th Grade

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    Interest in emotional intelligence has bloomed over the last few years. That it has become a standard concept in general and applied psychology, as well as in applied business settings, is indubitable. New research in the 90s confirmed that there is an emotional brain: a place called the limbic system where our emotions originate. It is separated from the rational brain (the neocortex) but the two are connected and develop together. This means that our power to reason and our feelings are intended to be used together. Because of the brain’s design, all information goes into our emotional center first and then to our thinking center. Emotions come before thought and behaviour. What scientists discovered is that we need our emotions; our feelings fire up the motor in us that drives energy and creativity. If we block or ignore emotions in the workplace, we stifle motivation. As a result of these findings, it has become important to understand what we are feeling, what others are feeling, how to manage our own feelings and how to manage relationships with others. This is the core of Emotional Intelligence: a term used to describe the complex ability to regulate our impulses, empathise with others and be resilient in the face of difficulties. Therefore, emotional intelligence is a product of the amount of communication between the rational and emotional centers of the brain. This article will examine the history, data and components of Emotional Intelligence. Emotional intelligence is a dynamic construction influenced by diverse biological, psychological, and social factors. A good deal of research has been conducted on emotional intelligence and it was found to be appearing as an important factor in the prediction of personal, academic and career success.Studies on emotional intelligence with respect to various psycho-social co-relations have been found in a variety of fields. Empirical studies investigating the relationship of emotional intelligence with numerous psychological and psychosocial factors were reported by several researchers and simultaneously revealing the significance of emotional intelligence and its beneficial aspects with remarkable contribution in the field of interpersonal relationships, success in work and personal life, health psychology, managing occupational stress, academic field, improving personality, enhancing performance and many more positive behaviour pattern. Emotional Intelligence is as important as intellectual quotient when hiring workers in contemporary organizations. Since deficiencies in interpersonal skills abound in the work environment high levels of emotional intelligence are needed to perform adequately. Leaders need to inculcate emotional intelligence skills into their leadership repertoire in order to lead effectively and successfully. Viewing college students as the future workforce, the impetus of the study was to determine whether a correlation exists in use of emotional intelligence between gender and age among Bermudian and Trinidadian college students. In contemporary organizations, the epitome of leadership is leaders’ ability to discern, adapt, sense, and internalize the underpinnings of environmental culture. The aforementioned qualities are facets of emotional intelligence. The literature underscores the importance of emotional intelligence in cultivating successful leaders and workers in the workplace. The mind is uniquely and authentically crafted. Human attributes are designed individually and collectively to encompass divergent degrees of learning and processing information. The ideology of learning styles was adapted to incorporate multiple ways of people respond, to think, see, hear, touch, rationalize, and formulate knowledge or learning (Dunn & Dunn, 1993). Learning styles have gained prime importance in our society. For many years, research has paved a path on the subject of learning styles by experts, educators, psychologists, sociologists, universities, public schools,private schools, doctors, and lawyers (Bloom, 1956; Dunn & Dunn, 1993; Gregorc, 1982a; Jung, 1971; Kolb, 1985; Schmeck, 1988). By using evidence from learning styles research, learner`s needs are being met, there is an abundance of literature on this subject readily available, educators are better trained, and numerous strategies and techniques are incorporated in classroom instruction

    Design and Development of Code Division Multiple Access Techniques for Various Communications and Signal Processing Applications

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    The goal for the next generation of mobile communication systems is to seamlessly integratewide variety of communication services such as high speed data, video and multimediatraffic as well as voice signals and high data rates with low bandwidth.Further, communication systems are to be power efficient.The technology needed to tackle these challenges to make theseservices available is popularly known as Code Division Multiple Access technology which is being employed in Third Generation (3G) and Fourth Generation 4G communication systems. One ofthe most promising approaches to 3G and 4G systemsis to combine a Wideband Code Division MultipleAccess (WCDMA) air interface with the fixed network of Global System for Mobilecommunications also called as Group Service Mobile (GSM). The work carried out in this thesis is concerned with the design and development of Code Division Multiple Access techniques for various Communications and Signal processing applications. The statistical properties of Pseudo- Noise (PN) codes have also been thoroughly studied. Chaotic signals have been generated using novel techniques. The main focus has been given on Multi- carrier and Multiuser CDMA communication systems. In a practical CDMA communication systems the transmitted signal is corrupted bymultiple access interference which is generated in a structured way rather than treating it asAdditive White Gaussian Noise (AWGN). The signal is further corrupted by AWGN at thefront end of the receiver; various techniques have been proposed in this thesis which exploits the characteristic properties of frequency selective channel like Rayleigh channel. The modeling of frequency selective channel has also been done. Beam forming and rake diversity combing has beenemployed.The bit error rate, correlation and power spectral density properties have been investigated atthe receiving end to evolve the performance of the proposed techniques. Spreading codes are widely employed in CDMA based communication systems and Signal Processing applications. Different techniques are being employed for the realization of PN codes. A novel spreading scheme for generation of PN- codes has been presented in this thesis. Performance evaluation of the non- linear PN code in terms of auto- correlation and cross- correlation properties has been evaluated and compared with conventional PN codes. Fourth generation mobile communications are being designed to support very high speed services of 100 Mbs to 1Gbs. For such high speed data transmissions, the channel becomes severely frequency selective due to time dispersion and the same system is not sufficient since the channel is both space and frequency dependent. To reduce Multiple Access Interference (MAI) and data transmission losses, beam forming technique using Antenna Array based DS- CDMA to overcome above mentioned problems has been proposed in this thesis. The performance of the proposed technique has been verified by computing Bit Error Rate (BER)versus Signal to Noise Ratio (SNR) which is related to variance. A new multi-user detection (MUD) technique has been proposed. In CDMA spreading is achieved by using long PN or other codes so as to achieve high processing gain to reduce the effect of jamming and multipath interference. However, high value of processing gain requires spreading code of large length. In the proposed technique a novel method has been proposed in which time domain spreading is achieved at two successive stages which results T x T spreading. Modern wireless communication systems based on CDMA techniques operate in environments that are interference, bandwidth, and multi- path fading limited. In order to combat these effects, complex receiver structures, such as those using complicated synchronization structures, demodulators, multi- user detectors and RAKE processors are often used. A Parallel Interference Cancellation (PIC) based CDMA system over Multipath Rayleigh fading channel has been proposed in this thesis. The proposed detector estimates and subtracts out all of the MAI for each user in parallel. Anovel Intermediate Frequency Hopping (IF- FH) Spread Spectrumtechnique for CDMA applications has been proposed and investigated. The proposed technique requires low speed frequency synthesizers and low power consumption as the whole system has been operated at intermediate frequency and consequently adds a new variant of frequency hopping spread spectrum called as Intermediate Frequency Hopping Spread Spectrum. The new scheme for the generation of digitally controlled chaotic signal for spreading in CDMA applications has been proposed in thisthesis. Chaotic Systems are dynamic systems which show complex behavior. One of the defining attributes of chaotic system is the sensitive dependence on initial conditions. Time series generated from chaotic systems are wide-band in nature and noise like in appearance. A chaotic based system Frequency Hopping Spread Spectrum for CDMA applications has been proposed in this thesis in which digital method has been used to generate the wide-band analog chaotic signal for signal spreading. A Pseudo Noise (PN) code controlled chaotic signal generator using real time Frequency Hopping Spread Spectrum technique has also been proposed. The proposed technique has a capability to initialize the chaotic signal generator which is necessary for predicting the future value for an authorized receiver. Some of the proposed schemes have been simulated using Matlab/Simulink simulation software for checking the efficacy and utility. The bit error rate and correlation properties have also been checked. Prototype hardware modules of some of the proposed schemes presented in this thesis have been developed for experimental investigation. The thesis concludes with a discussion over the results of the conducted work during the course of this research. Future scope of work in this thesis direction has been discussed. A bibliography of concerned literature consulted has also been presented

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