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اردو زبان کا آغاز و ارتقا

موضوع 10:اردو زبان کا آغاز و ارتقا
کسی زبان کے آغاز اور ارتقاء کی داستان کچھ مخصوص تہذیبی اور معاشرتی حالات سے جڑی ہوتی ہے۔ زبان اپنی ترقی یافتہ شکل اختیار کرنے سے پہلے مختلف مراحل سے گزرتی ہے۔ اسے رنگ و روپ دینے اور نکھارنے میں مختلف عوامل کار فرما ہوتے ہیں۔ اردو زبان جو آج کی چند ترقی یافتہ اور کثرت سے بولی جانے والی زبانوں میں سے ایک ہے اسے بھی معرض وجود میں آنے سے قبل مختلف مراحل سے گزرنا پڑا۔ ان مختلف مراحل اور تہذیبی اور معاشرتی عوامل کو سمجھنے کے لئے ہمیں ماضی کی طرف پلٹنا ضروری ہے۔
جیسا کہ تاریخ کے مطالعے سے پتہ چلتا ہے کہ ہندوستان کے قدیم باشندے دراوڑ تھے۔آریا قوم باہر سے آئی اور مقامی باشندوں کو پیچھے دھکیل کر ملک پر قابض ہو گئی۔آریا قوم ملک پر ایک نئی تہذیبی طاقت بن کر ابھری۔ ان کی زبان کو مرکزی حیثیت حاصل ہوئی۔ مقامی باشندوں سے میل جول کی وجہ سے آریاؤں کی زبان متاثر ہونے لگی اور بہت سے الفاظ کا تلفظ کچھ سے کچھ ہو گیا۔ آریاؤں نے اپنی زبان کو محفوظ رکھنے کے خیال سے اسے قواعدی اصولوں سے جکڑ دیا اور اپنی زبان میں صرف ٹکسالی الفاظ باقی رکھے۔مقامی اثرات اس سے پاک و صاف ہو کر ان کی زبان نے اپنا ایک معیار برقرار رکھا اور اسی معیاری زبان کو سنسکرت کا نام دیا گیا۔
اس زبان کو کافی فروغ حاصل ہوا لیکن اس کا رشتہ عوام سے کٹ گیا گیا اور ایک مخصوص دائرے تک سمٹ کر رہ گئی۔ عوام کی زبان مختلف علاقوں میں تھوڑے سے فرق کے ساتھ ایک رسم الخط میں موجود رہیں اس زبان کو پراکرت کا نام دیا گیا۔ پراکرت زبان برابر ترقی کرتی رہی اور مختلف علاقوں میں مختلف روپ اختیار کرتی رہی۔ آگے...

Bystander Apathy –An Enquiry Into The Expression Of Humanity And Empathy In China (2013-2014)

Aim To explore the apparent lack of personal concern for the welfare of others in China? To develop concepts to understand this  social phenomena in natural  settings using ethnographic and participatory research. Research Question How can the knowledge derived from qualitative research be used to improve the welfare of the poor in Shanghai? Ethics The study was carried out within the guidelines of the declaration of Helsinki. The study was characterised by anonymity, beneficence, non maleficence, and the  maintainence of  the dignity of participants Method Collection of data. The principle data source was “observation” spot observation”(Baksh 1990)”, participant observation”(Hammersley and Atkinson 1983)vignettes(Finch 1987, Sani Bin Gabi 1990), oral history(narrative) Conclusion The study was conducted ethically. It was a worthwhile study attempted to deal with current problems. The publication of this paper can be used to stimulate further enquiry into the problem of those in need of social welfare in Shanghai and China, in the hope it will improve services where they are needed. Suggested solutions In a country where intergenerational family ties are so strong and “guanxi” exists it is paradoxical there is  little empathy for others. Confuscian values, changed family beliefs, and education at school and  university may assist in increasing empathy. Learnt conditioning, to ignore or dissociate, from another human being in   need of help, can be slowly overcome by implementing universal and improved changes in societal living conditions. This can be achieved  by improving social welfare programs, spearheaded by a compassionate government. There is a view that it is an egregious and transparent fiction, to promulgate and publically promote, the philosophies and policies of communism, yet allow these curable social ills to remain. ”Rex ipsa Loquiter”. The healthy should help the sick, the rich should help the poor and the employed should help the unemployed, Proportionately, in accordance with what they have they should give. The promotion of a “ forward thinking, humane, listening and open society, rather than a closed, narrow, opaque, inward looking “weltanschaung” would assist societal reform. We “bystanders”, we must all try to imagine we are in the  place  of those in need, and  feel aas they do, in their situation. We must follow the advice of Mencius (372-289BC) and develop and use “empathy” As Mencius  said, ”a  developed  human heart is the basis  of a moral life”

Modeling and Characterization of Cellular Mobile Channels for 3-D Radio Propagation Environments

In order to meet the increasing demands of capacity in land mobile radio cellular communication systems, the use of directional antennas has become an integral part of future communication systems. With purpose to gauge the capabilities of systems with directional antennas, it is essential to have a precise knowledge of angular and temporal representation of the dispersion of multipath waves in 3-D propagation environments. Such representation of propagating waves can only be achieved with the use of spatial channel models. Therefore, this thesis focuses on modeling and characterization of cellular mobile channels for 3-D radio propagation environments. The research work in this thesis consists of three parts. Part-I aims at the physical modeling of cellular mobile channels in 3-D radio propagation environments. Part- II characterizes the impact of mobility on the Doppler spectrum; while, part-III provides a geometrically based performance analysis of handovers in land mobile radio cellular systems. The thesis begins with an overview of the basics of spatial channel models in different cellular environments and then proceeds towards a detailed and compre- hensive survey of spatial channel models. Further, a generalized 3-D scattering model is proposed for macro-cellular land mobile radio cellular systems with a Mobile Station (MS) located at the center of a 3-D scattering semi-spheroid and a Base Station (BS) employing a directional antenna located outside of the semi- spheroid. The effect of directional antenna is thoroughly observed on spatial and temporal characteristics of the proposed model. Closed-form expressions for joint and marginal Probability Density Functions (PDFs) of Angle of Arrival (AoA) seen at MS and BS in correspondence with azimuth and elevation angles are derived. Furthermore, closed-form expressions for propagation path delays and trivariate joint PDFs of Time of Arrival (ToA) seen at MS and BS in correspondence with azimuth and elevation angles are derived. Moreover, the theoretical results along with observations illustrate the effect of directional antenna on the spatio-temporal statistics of the proposed 3-D spatial model. All the statistics are derived for both uniform and Gaussian scatter densities. The proposed 3-D scattering model for the case of uniform scatter density, is shown to deduce all previously-proposed 2-D and 3-D models that assume uniform distri- bution of scatters with directional or omnidirectional antennas, found in literature for macro-cell environment. The theoretical results obtained are compared with some notable 2-D and 3-D scattering models to validate the generalization of the proposed model. Obtained theoretical results (for the case of Gaussian scatter density) for spatial statistics at BS are compared with an empirical set of mea- sured data (found in literature), which also demonstrates the validity of proposed model. vi In the second part of thesis, the effect of mobile motion on the statistical character- istics of Doppler spectrum is presented. An analytical model to quantify the effect of directivity of the radiated waves from the BS antenna on the Doppler spectrum in 3-D radio propagation environment is proposed. Closed-form expressions for trivariate PDFs of propagation path distance, power, and Doppler shift are de- rived. Furthermore, general expressions for joint and marginal PDFs of elevation AoA, power, and Doppler shift are established. The obtained theoretical results along with the observations are presented that illustrate the effect of directivity of the antenna beam-width and the direction of MS’s motion on the distribution characteristics of power Doppler spectrum. It is established that for motion of the MS in all directions, the spread in distribution of the Doppler shift observed is reduced significantly due to the use of directional antenna at the BS with a nar- row beam directed towards the desired user. It is also observed that, for a sharp azimuthal beam of directional antenna, the multipath components corresponding to the scatterers in elevation plane result in the reduction of Doppler shift with an increase in their vertical distance from MS. In part-III, an analysis for the impact of various channel parameters on the per- formance of handover in mobile radio cellular systems is presented. Using the proposed analytical model, a mathematical relation for the handover margin with velocity of MS, direction of mobile motion, and propagation environment is derived on the basis of path loss propagation model. Relationship for the ratio between the radius of coverage area and the length of overlapped region between adjacent cells is derived, which guarantees to satisfy the required handover margin. The impact of velocity and direction of MS’s motion on the handover margin is com- prehensively analyzed. The impact of propagation environment on the handover margin is also analyzed, where it has been observed that, the handover margin decreases significantly with an increase in the path loss exponent. For dense urban areas with higher propagation path loss exponent, the time margin available to perform the handover is less; therefore, quicker decision of handover is required to be made.
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