Commercial applications usually rely on precompiled parameterized procedures to interact with a database. Unfortunately, executing a procedure with a set of parameters different from those used at compilation time may be arbitrarily suboptimal. Parametric query optimization (PQO) attempts to solve this problem by exhaustively determining the optimal plans at each point of the parameter space at compile time. However, PQO is likely not cost-effective if the query is executed infrequently or if it is executed with values only within a subset of t ....etc

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INTRODUCTION:
Since the late 1980s, parametric search, the optimization technique developed by Megiddo in the late 1970s and early 1980s, has become an important tool for solving many geometric optimization queries efficiently. The main principle of parametric search is to compute a value that optimizes an objective function f with the use of an algorithm As that solves the corresponding decision problem. ....etc

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Although the use of parametric amplifiers for high frequency, low noise amplification is relatively recent, the principles themselves are not at all new. They were first propounded by Lord Reyleigh in the 1880s for Mechanical Systems and by R. Hartley in 1930s for electrical applications. The need for extremely low noise amplification , as in radio telescopes, space probe tracking and communications, and tropospheric scatter receivers, spurred the design of useful parametric amplifiers in the late 1950s. The low ....etc

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i need the power point presentation of class d amplifier ....etc

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pls send me the instrumentational amplifier ppt free download to [email protected] ....etc

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i want to have detailed working of above model ....etc

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Digital Audio's Final Frontier-Class D Amplifier - Seminar Reports ...
Digital Audio's Final Frontier-Class D Amplifier - Seminar Reports ... ....etc

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show me one mini project using tuned amplifier with circuit diagram.. ....etc

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can i get two cavity klystron here {basic principle construction and proof}
urgently needed...... ....etc

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