全固态小型化大功率交流稳压器研究：——数控步进补偿型交流稳压器

本文介绍一种数控步进补偿型交流稳压器，它具有效率高、附加波形失真小、响应速度快、可靠性高、可维修性好及轻小等优点，是电机驱动－－自耦变压器补偿型的升级换代产品。     

The traditional Mestizo view: Implications for modern psychotherapeutic interventions.

Provides mental health professionals with an overview of basic Mestizo tenets. Fundamental issues such as the Mestizo perception of health, the mind–body relationship, metaphysics, and family and community factors are discussed to increase therapeutic sensitivity when working with Mestizos. Suggestions for dealing with these factors are outlined. A holographic model is suggested as a Western-based means of understanding the Mestizo perspective. A holographic paradigm is also recommended as a unifying conceptual model between the 2 divergent world views. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Selective Representing and World-Making

In this paper, we discuss the thesis of selective representing –- the idea that the contents of the mental representations had by organisms are highly constrained by the biological niches within which the organisms evolved. While such a thesis has been defended by several authors elsewhere, our primary concern here is to take up the issue of the compatibility of selective representing and realism. In this paper we hope to show three things. First, that the notion of selective representing is fully consistent with the realist idea of a mind-independent world. Second, that not only are these two consistent, but that the latter (the realist conception of a mind-independent world) provides the most powerful perspective from which to motivate and understand the differing perceptual and cognitive profiles themselves. And third, that the (genuine and important) sense in which organism and environment may together constitute an integrated system of scientific interest poses no additional threat to the realist conception.     

SOC设计复杂性以及IP复用方法

各电子公司正在转向生产采用数字融合技术的产品,这就要求设计者在6~9个月的设计周期内即能提供功能空前复杂的集成电路和片上系统(SystemsonChip,SoC),而且以大批量销售价格供货。这些芯片已经应用于流行的、面向消费者的手持式计算、多媒体和互联网驱动通信产品。SoC设计的复杂性基于SoC概念的设计复杂性,给项目小组带来了巨大的挑战,因为在一个典型系统中将包含众多的功能模块。对于目标系统这样复杂的项目来说,如果要从头设计,即使是人数最多、最有经验而且最为能干的项目团队也是难以胜任的。某种形式的电路知识产权(IP)复用机制已…     

A fuzzy multicriteria decision‐making‐based CH selection and hybrid routing protocol for WSN

One of the famous approaches to decision making is named as multicriteria decision making (MCDM). In order to solve the MCDM issues, a better way is provided by the fuzzy logic. Expendability, cost, maintenance, availability of software, and performance characteristics are such problems considered by the decision. The precise estimation of the pertinent data is one of the vital phases in DM systems. This paper presents a fuzzy MCDM‐based cluster head (CH) selection and hybrid routing protocol to solve the most common issues. In this research article, the generalized intuitionistic fuzzy soft set (GIFSS) approach is utilized to select the optimal CH, and hybrid shark smell optimization (SSO), and a genetic algorithm (GA) is introduced for the effective routing. Initially, the wireless sensor network (WSN) system and energy models are designed, and then the nodes are grouped into several clusters. Next, based on the GIFSS, the CH nodes are selected, and finally, an effective routing is placed based on the hybrid optimizations. The implementation is performed on the NS2 platform, and the performances are evaluated by packet delivery ratio (PDR), delay, packet loss ratio (PLR), network lifetime, bit error rate (BER), energy consumption, throughput, and jitter. The existing approaches named energy centers examining using particle swarm optimization (EC‐PSO), variable dimension‐based PSO (VD‐PSO), energy‐efficient PSO‐based CH selection (PSO‐ECHS), low‐energy adaptive clustering hierarchy‐sugeno fuzzy (LEACH‐SF), SSO, and GA are compared with the proposed strategy. According to the implemented outcomes, it displays the proposed strategy and gives improved outcomes than the others.     

Tunable alexandrite lasers: Development and performance

Some major recent developments in alexandrite laser research are reviewed. Emphasis is placed on key material characteristics, and their relationship to laser performance. Alexandrite's favorable thermomechanical properties and high capacity for energy storage have led to laser performance levels that, in certain areas, exceed those of established solid-state laser sources. Here we review performance achievements for a variety of pulsed and CW laser configurations including single-mode, multimode, and mode-locked resonators, high-power amplifiers, and zig-zag slabs. In these configurations, operating performance levels have been demonstrated that are comparable to those of older, more familiar solid-state laser technologies. Alexandrite's broad tunability offers additional advantages. Together with nonlinear frequency conversion processes, alexandrite lasers provide high-brightness output over most of the UV, visible, and near IR.