深入地

This dissertation analyses the mathematical model of the induction motor and its dynamic behaviour and points out that the key of realizing DSC is to choose stator voltage vectors reasonably according to the request of the flux and torque.

通过对交流异步电动机数学模型及动态形为的深入分析，指出实现直接转矩控制的关键是要根据磁链和转矩的要求，合理地选择定子电压矢量。

By following closely the latest international strategic trends and taking the matter of national security as the main thread, he gives mature consideration to and makes fine analyses of the issues involved and presents his welldefined views which contain a good many original ideas that prove to be highly enlightening.

作者一如既往地用辩证唯物主义与历史唯物主义的立场和方法，研究国际战略问题，从密切跟踪国际最新战略动向入手，以国家安全问题为主线，深入思考，条分缕析，观点鲜明，有许多独到的见解，予人诸多启迪。

In view of the characters of multi-source and multi-stove,hydrocarbon production in multi-stage and deposit in different periods in Wu Maying oil field ,and using the concept of compound including oil-gas system,we deeply investigated the characteristics of folded growth,oil-gas distribution and oil deposit of No.

针对乌马营油田存在多源多灶、多阶段生烃与多期成藏的特点，在"复合含油气系统"和"油气运聚单元"概念基础上，系统地应用复合含油气系统描述研究的六项原则与相应方法，对其下第三系含油系统的叠合发育特征与油气分布规律、油藏类型等进行深入研究，其结果对抑制该区的高速递减，寻找后备资源接替具有重要的指导意义。

Based on investigating the short and intermittent structural plane, surrounding rockmass of the huge underground powerhouse in Three Gorge has been divided into five statistical similar areas according to its characteristic of rockmass structure by applying structure plane network simulation. Distributed characteristic of structural plane has been studied and based on it mechanics macrocharacteristic has been studied:(1) It is the first time that based on the result of structural plane network simulation rockmass quality of every structure area has been studied with applying blurred information optimum seeking technique and be compared with and RQD method. The result indicated that it has better effect to evaluate rock quality with blurred information optimum seeking technique.(2) It is the first time that the interrelated relationship of the result of in-suit rockmass deformation test and fractal characteristic of structure on test point has been applied to determine rockmass deformation parameter. The question of evaluating deformation parameters of engineering rockmass has been solved.(3) Anisotropy strength parameters have been determined by applying shear zones simulating method. The result indicated that there are different strength parameters in every structural area, after comparing the result of Fast Lagranian Analysis in continua number simulation method with that of method of weighted mean according to continuity. The result indicated that when a suitable reduction coefficient is been considered rockmass strength parameters can be simply and fast determined with method of weighted mean according to continuity where there is not enough test result.(4) Damage characteristic has been studied based on analysis fractal characteristic of structural plane network by applying fractal-damage coupling method. It is the first time that the concept of damage degree has been set up to evaluate rockmass quality according to the biggest principal damage.

通过对短小、断续性结构面统计特征的研究，将地下厂房区划分为五个岩体结构统计均质区，应用结构面网络模拟技术研究了各个岩体结构均质区结构面的发育分布特征，并以此为基础对岩体宏观力学特性进行了深入研究：(1)首次通过在结构面网络模拟计算结果的基础上，应用模糊信息优化技术研究了厂房区各个岩体结构分区的岩体质量并与岩体基本质量指标研究法、岩体质量指标RQD值研究法作了对比，结果表明以结构面网络模拟结果为基础，应用模糊信息优化技术进行岩体质量评价能够取得很好的效果，解决了工程岩体质量的定量评价问题；(2)首次通过对已有的现场大型岩体变形试验结果的分析及相应试验点岩体结构分形特征的研究，建立了结构面分布的分形维数和岩体变形指标间的相关关系，并首次应用这种相关关系根据结构面网络模拟及分形维数计算结果确定了缺少试验结果的地下厂房各工程部位的岩体变形指标而且应用于围岩稳定性计算，解决了工程岩体宏观变形参数的评价问题；(3)应用在结构面模拟网络图上模拟岩体剪切破坏带的方法，得出了岩体在不同方向上的强度参数，结果表明岩体的强度特性与结构面的发育方向和程度有着明显的关系，各个岩体结构均质区具有不同的强度参数；同时还通过应用拉格朗日差分法对岩体强度指标的数值分析并与按连通率加权平均计算法对比表明，按连通率加权平均计算法在考虑合理的折减系数情况下，可以简单快速地对缺少现场大型试验结果的具体工程部位实现岩体强度指标的估计，通过以上研究解决了工程岩体抗剪强度参数的评价问题；(4)通过结构面网络分形维数的研究，应用分形损伤耦合分析方法，研究了厂房区岩体的损伤特征，并首次引入"损伤度"的概念，建立了应用最大主损伤评价岩体质量的指标体系。

The technology of emulsify-cation in the way of ultrasonic wave and mechanical stir is widely investigated. Factors having influence on stability of emulsions produced in two ways is carefully explored, and the law of parameters of emulsification technology which affect the stability of emulsions is obtained. The two ways are compared, their scope of application is clear.

对用超声乳化法和机械搅拌法制备乳化液的工艺作了深入的研究，细致地探讨了影响乳化液质量的因素，摸索出各乳化工艺参数的影响规律，并且对两种乳化方法作出了比较，得出了它们各自的适用范围。

As the mine accidents happen frequently in recent years, the detecting technology for microseism becomes much more important. However, there is no advanced microseism detecting system at home. It's pretty important for microseisms denoising and Reversion. A wavelet denoising method is presented here to process microseism signal, and the microseism record can get high signal to noise ratio. Meanwhile based on the software of LabVIEW, s design of real-time detecting system for microseism based on virtual instrument is presented. The advantage of the virtual instrument was sufficiently exerted to achieve the real-time detecting and analyzing of the microseism.

以往基于DSP或其他单片机的微震系统，其资源的有限性很难达到理想的采集效果，同时也难以完成先进算法的实现，而对微震信号的去噪与还原在监测系统中起着很重要的作用；在深入分析小波变换的信号去噪方法基础上，对微震信号进行了处理，得到高信噪比的微震记录，实现了对噪声的有效抑止；同时在LabVIEW平台软件设计的基础上，实现了一种基于虚拟仪器微震实时检测的设计方案，充分发挥了虚拟仪器的优势，结果表明基于LabVIEW的微震系统能很好地完成实时监测及其分析。

In order to confront with the increasingly complicated electromagnetic environments and adapt to the development necessary of the integrative electronic warfare,this paper studies the integrative reconnaissance technology for radar and communication signals from single-platform,analyzes the characteristics of radar and communication signals in detail from the different aspects of the electromagnetic frequency band,function,power,signal waveform and modulation mode,researches some key technologies to realize the integrative reconnaissance for radar and communication signals,such as integrative microwave front technology,digital receiver technology,digital signal processing and modularity technology,especially analyzes and researches the integrative signal sorting and identification technology deeply.

为对抗日益复杂的电磁环境，适应一体化综合电子战发展的需要，对单平台雷达/通信侦察一体化技术进行了研究。从电磁频段、功能、功率、信号波形及调制方式等不同角度，详细地分析了雷达与通信信号的特点；对实现雷达/通信侦察一体化的一体化微波前端技术、一体化数字接收机技术、一体化数字信号处理技术、模块化技术等关键技术进行了研究，尤其是对一体化信号分选、识别技术进行了深入的分析研究。

This thesis made a profound research and discussion about this question, mainly from the aspects of internet, newspaper, English songs, English in daily life, handwriting English newspaper, and English milk for babes. Analyze the advantages and disadvantages of each resource, discussed how to make our students contact with English in different ways.

本文从网络、报刊、英语歌曲、生活中的英语、英文小报、英文简易读物等方面对该课题进行了深入的研究和探讨，分析了每种资源的利弊，从教学实践的角度，探索了如何多方面、多渠道、多形式地让学生接触和学习英语。

Detonation and misfire can also be studied by the model.

通过该模型可以系统地对发动机的爆震、失火以及排放特性等进行深入研究。

To meet the needs, IGBP has set up and carried out a new core project named LOICZ, to focus on land-ocean interaction in the coastal zone. The mud flat plain coast of Jiangsu embodies the characteristics of China coastal ocean fully.

对海岸海洋地区海陆相互作用进行全面而深入的研究，能够打开一个有效的突破口，有力地推动全球变化研究，科学意义与现实意义重大。

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。