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In this paper, a new cost function is investigated and a variable step size Decision Directed equalization algorithm based on this function is proposed for MQAM modulation.

本文对一种新的代价函数作了研究，提出一种适用于MQAM调制信号的变步长的判决引导的盲均衡算法。

Demy: Standard British size of paper ,444*564mm.

Demy度：英制标准纸度的一种，444X564mm。

The method proposed in this paper can get reasonable site and size of DG through the analysis of practical example.

通过对实际算例的分析，本文方法能得到较为合理的分布式电源位置和容量方案。

The framework consists of such modules as dictograph, coordinator, task manager, repository. All these modules make an AM oriented PDM system an open, flexible and compatible system. Meanwhile, trusteeship is applied to AM oriented PDM so that a small or medium size enterprise can trust the Trusteeship Center with its product data.Based on the framework, this paper presents the function model of AM oriented PDM on view of Process but not of Product.

本文构建了基于多层Client/Sever模式的面向敏捷制造的PDM的系统框架，该框架通过任务侦听器、任务协调器、任务管理器和知识库等模块实现盟员系统的开放性、异构兼容性和自主性以及盟员系统间数据操作的协同性，并以数据托管中心为中小型企业提供一种产品数据托管方法。

Based on the discrete Fourier transform analytical method, this paper discusses the influence of the pixel size of CCD and proposes a new filtering method.

本文在离散傅里叶变换分析理论的基础上，深入讨论抽样对FTP的影响。

The effects of quantity of disperser and reducer on the size of Ag powders and the production efficiency were also studied in the present paper.

并研究了分散剂PEG及还原剂水合肼的用量对银粉粒度及产率的影响。

This paper suggests that moderate size of divi dends payment is what on condition that the target debt/equity ratio is unchanged,can satisfy the demands of corporation's investment...

文章认为适度股利支付水平应是：在目标的负债/资本比率条件下，满足公司盈利性投资需求而能达到融资成本最低、股权结构稳定，进而实现公司价值较大幅度提高的可操作性的水平。

In this paper we will investigate the embedding problem for uniform resolvable group divisible designs with block size three.

本文主要研究区组长为3的均匀可分解可分组设计的嵌入问题，并完全解决了这个问题。

In this paper, a method is proposed to estimate the plastic zone size, by extending the Dugdale model to three dimensional (3D) crack problems and the crack opening displacement at the tip of a sptatial penny shaped crack by combining the Barenblatt Dugdale model with the principle of 3D J integral, then the relationship between J integral and COD is obtained.

将Dugdale模型推广到三维裂纹问题计算了圆盘状裂纹前缘塑性区尺寸，并结合断裂力学中的Barenblat－Dugdale裂纹模型和三维J－积分原理计算了圆盘状裂纹前缘张开位移，得到了J－积分与裂纹张开位移的关系。

In this paper, the Changchun city was taken as the study area. The data about 10 years on dustfall were collected, the change tendency of dustfall was disclosed. Dustfall samples from October 2005 to February 2006 and samples of pollution sources were collected also. The samples were measured and analyzed by particle size analyzer and ICP-AES. EF and CMB receptor model is used to make source apportiontment of the dustfall.

本文以长春市城区为研究对象，收集了长春市近10年的降尘资料，揭示了长春市降尘量的变化趋势；采集了2006年10月~2007年2月的降尘样品以及污染源样品，对降尘样品进行了粒度分析、元素分析；应用化学质量平衡法和富集因子法，从定量和定性两个方面对降尘的来源进行了解析，并根据分析结果提出了防治降尘污染的对策和建议。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。