696 research outputs found

    Indian remote sensing programme

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    The life and works of James Miller, 1704-1744, with particular reference to the satiric content of his poetry and plays.

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    PhDJames Miller was born the son of a Dorset rector in 1704. He was himself ordained, but acquired no benefice until just before his early death, probably because of a scathing portrayal of the Bishop of London in one of his verse satires. At Oxford he wrote a vivacious comedy of humours, set in the University. Its production in 1730 began his dramatic career, at a time when the number of London theatres had just doubled, and new dramatic forms were being invented. In 1731 his poem Harlequin-Horace, a witty inversion of the Ars Poetica, attacked pantomime and opera, but also painted a lively portrait of the entire theatrical world, in the tradition of the Dunciad. After collaborating in a translation of Moliere's works Miller wrote two plays based on this author. Of all his dramatic works these were the most successful with his contemporaries, and were followed by a modernisation of Much Ado, and a ballad-opera adapted from an afterpiece by Jean-Baptiste Rousseau, and rendered highly topical. Miller made similar use of a recent French comedy showing a Red Indian's reactions to civilisation, a satiric "fable" by Walsh and Voltaire's Mahomet. A large quantity of original material was incorporated into most of these, and this is generally satirical in nature. The Indian is made to voice almost egalitarian sentiments. An afterpiece, "The Camp Visitants", satirised military inaction in the war, and was apparently banned. The manuscripts of the six plays produced after the Licensing Act bear the examiner's deletions, and illustrate the nature of the censorship at this time. Miller's greatest strength is probably his flexible, vigorously colloquial dialogue. His political satire is mostly contained in the poetry, which attacks Walpole's administration with increasing vehemence through the seventeen-thirties, until its fall. In 1740 two poems that used Pope in symbolic contrast to Walpole caused a sensation. In both poetry and plays Miller is also a social satirist, who lays unusually strong emphasis on false taste and the deterioration of culture

    B72-24 Adaptation and learning in automatic systems

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    The English translation of the book by the well-known specialist Prof. Ya. Z. Tsypkin is a welcome addition to the currently available books on adaptive and learning systems. During the past decade there has been enormous research activity in these areas, and the author is directly responsible for the development of a number of pertinent topics. The manner of presentation and the range of subjects covered at a reasonable level of mathematics make the book very readable. This book undoubtedly will be of great interest to control engineers, reliability and operations research engineers, and computer scientists

    Impact of Land Irrigability Classes on Crop Productivity in Canal Command Area of Gujarat: An Economic Analysis

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    The impact of land irrigability classes on crop productivity has been reported based on the survey of Mahi right bank (MRB), Ukai-Kakrapar right bank (UKRB) and Kakrapar left bank (KLB) canal command areas of the Gujarat state. The multi-stage random sampling method was used to select the farmers. The MRB and UKRB areas have five different soils environment in terms of land irrigability classes, while the KLB area has only three soils environment. The major crops grown in the UKRB are sugarcane, rice, cotton and pigeon pea, while sugarcane and rice are the major crops in the KLB. Similarly, in the MRB, rice, pearl millet, groundnut, wheat and tobacco crops occupy 95 per cent of the total irrigated area. The study has revealed that farmers have violated the recommended cropping pattern and are growing high water-requiring crops, irrespective of their suitability to land. In the land irrigability classes III, IV and V, cultivation of sugarcane and rice has led to waterlogging and secondary salinization problems, and reduction in crop yields. Hence, the cultivation of lower irrigability classes with minimum use of major inputs is not an advisable proposition. It would be better if crops are selected according to land irrigability classes which might result in a higher production with lower unit cost of production in the command areas under the study.Agricultural and Food Policy,

    New approach to the plotting of phase-plane trajectories

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    By considering simultaneously the two planes x¿¿x¿ and x¿¿x, the isocline method is extended to find (for all initial conditions) the behaviour of second-order nonlinear autonomous systems which are not easily amenable to the usual phase-plane methods. The effect of variation of nonlinear functions can easily be studied. Simple as it is, the method is believed to be novel

    The x&#194;&#191;<SUP>n</SUP>-x plane for analysis of certain second-order nonlinear systems

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    Analysis of certain second-order nonlinear systems, not easily amenable to the phase-plane methods, and described by either of the following differential equations x&#194;&#191;n-2&#194;&#191;+ f(x)x&#194;&#191;2n+g(x)x&#194;&#191;n+h(x)=0 &#194;&#191;+f(x)x&#194;&#191;n+h(x)=0 n &#187; 0 can be effected easily by drawing the entire portrait of trajectories on a new plane; that is, on one of the x&#194;&#191;n&#194;&#191;x planes. Simple equations are given to evaluate time from a trajectory on any of these n planes. Poincar&#194; &#169; 's fundamental phase plane x &#194;&#191;&#194;&#191;x is conceived of as the simplest case of the general x&#197;&#191;n&#197;&#191;x plane

    Techniques for analysis of certain nonlinear systems

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    This paper suggests the use of simple transformations like &#194; &#191;=kx, kx2 for second-order nonlinear differential equations to effect rapid plotting of the phase-plane trajectories. The method is particularly helpful in determining quickly the trajectory slopes along simple curves in any desired region of the phase plane. New planes such as the t &#194; &#191; -x, t &#194; &#191;2-x are considered for the study of some groups of nonlinear time-varying systems. Suggestions for solving certain higher-order nonlinear systems are also made
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