788 resultados para 1549
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モザンビーク社会は2000年代を通じて高いマクロ経済成長率を記録する一方で、2008年、2010年、2012年には経済的困窮に対する都市部住民の不満が暴動という形で表出した。モザンビーク人の雇用が促進されず、貧困率の悪化を伴うような経済成長は「雇用なき成長」と非難されてきた。近年の暴動の主体は、経済成長を実感できぬ貧困層であった。彼らは野党の支持者となりうるだけに、FRELIMO政権は、貧困層に対して、いかに雇用を提供するかという課題を抱えている。本稿では、FRELIMO政権による雇用政策について次の3つの観点から考察を加える。第1に、近年の経済成長をもたらすことになった経済政策を振り返る。第2に、経済成長にも関わらず、雇用を通じた貧困状況の改善がなされない要因を探るため、経済活動人口の教育水準を確認し、低就学歴者層を対象とした政府の雇用政策に焦点をあてる。第3に、低就学歴者に対する雇用政策の実績と意義について検討する。
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Las il. son grab. xil. de esc. nobiliarios
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El colofón aparece fechado en 1582
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Error de pag., pasa de p. 780 a 791
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This paper presents an envelope amplifier solution for envelope elimination and restoration (EER), that consists of a series combination of a switch-mode power supply (SMPS), based on three-level voltage cells and a linear regulator. This cell topology offers several advantages over a previously presented envelope amplifier based on a different multilevel topology (two-level voltage cells). The topology of the multilevel converter affects to the whole design of the envelope amplifier and a comparison between both design alternatives regarding the size, complexity and the efficiency of the solution is done. Both envelope amplifier solutions have a bandwidth of 2 MHz with an instantaneous maximum power of 50 W. It is also analyzed the linearity of the three-level cell solution, with critical importance in the EER technique implementation. Additionally, considerations to optimize the design of the envelope amplifier and experimental comparison between both cell topologies are included.
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Sign.: []2, A-N8, O6
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Sign.: [cristus]10, a-y8, z6, [et]4
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Mención de responsabilidad relativa a la traducción tomada del colofón
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Sign.: a-z8, A-D8
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Errores de foliación, pasa de h. X a IX y de CXIII a CXVIII
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Sign.: [cristus]10, a-y8, z6, [et]4
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Sign. : A-I 8
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Sign. : [A]-Z8, Aa8, Bb3
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The analysis of complex nonlinear systems is often carried out using simpler piecewise linear representations of them. A principled and practical technique is proposed to linearize and evaluate arbitrary continuous nonlinear functions using polygonal (continuous piecewise linear) models under the L1 norm. A thorough error analysis is developed to guide an optimal design of two kinds of polygonal approximations in the asymptotic case of a large budget of evaluation subintervals N. The method allows the user to obtain the level of linearization (N) for a target approximation error and vice versa. It is suitable for, but not limited to, an efficient implementation in modern Graphics Processing Units (GPUs), allowing real-time performance of computationally demanding applications. The quality and efficiency of the technique has been measured in detail on two nonlinear functions that are widely used in many areas of scientific computing and are expensive to evaluate.
