Contrapose the shortcoming of the thecnology of the image compression , we present a new method based on the theory of the fractal , and do some experiment 在此基础上针对现有图像压缩技术中存在的一些不足，提出了一种新的基于分形理论的图像压缩算法并进行了实验。
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According to the international catering standard , contrapose basic of quality pledge the headquarter unitedly supply exclusive formula and raw material , monitor the operation and dilivery , ensure profit under high quality 根据国际餐饮连锁标准“五连一锁”的核心，总部针对保证品质的基础部分、独有的配方及特供的原物料等进行统一配送供应，对操作标准及出品要求均有严格的监控机制，确保高品质运作下的稳定获利。
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Since pixel - level contrapose pixel coordinate , trigonometric function must be used to translate polar coordinates to pixel coordinate when the curve is described by polar coordinate . so research is very little on algorithms for generating this sort of curve by now 由于逐点是针对象素坐标系而言，而对极坐标系下描述的曲线，在转换到象素坐标系时要用到三角函数运算，因此目前很少提到对极坐标曲线生成算法的研究。
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The first part is introduction , presenting this paper ' s structure , research background and so on ; the second part introduces some issues relating closely to risk , the tangency point between indifference utility curve and efficient frontier is the optimal portfolio ; the third part explores risk evaluation , this part begins with some risk factors affecting security ' s price and return , then analyzes the methods evaluating degree of risk , finally , introduces a more popular method of risk evaluation - - var ; the forth part expounds risk management , this part studies some risk control strategies correspond to specific risk mentioned above ; the last part put forward some advice contrapose issues existed in risk management in china 第一部分为绪论，介绍本文的相关背景；第二部分是与风险相关的几个问题，等效用曲线与有效边界的切点是投资者选择的最佳投资组合；第三部分是风险衡量，该部分首先分析了证券与股票所面临的风险，然后对债券和股票分别介绍，最后介绍了目前比较流行的风险衡量方法? ? var方法；第四部分为企业风险管理，这里针对上文所述的风险提出相应的风险控制策略；第五部分针对目前我国风险管理中存在的问题提出了几点建议。
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Through the analysis contrapose to the reason which causes the problem and commercial banks governing structure in different families of law , the article poses out ; establishing wide administrating right to corporation affairs by directorate , avoiding that state - owned stock holders intervene decision - making in the bank , reinforcing the benefit protection of stock - holders and others who are related to it , paying more attention to remold with commercial state banks board of supervisors by enlarging its authority , and perfecting its financial supervising and strengthen promoting system etc 通过对产生问题的原因和对两大法系商业银行治理结构的分析，本文提出：确立董事会对公司事务广泛的管理权，防止国有控制股东干预银行经营决策；加强对股东及利益相关者的利益保护；采取扩大监事会职权，完善监事会的财务监督和加强激励机制等手段着重改造国有商业银行的监事会。
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In chapter one , we ' ve briefly introduced field bus , the advanced industrial control network . contrapose to the problems exsist in field bus , we ' ve discussed the application and status of industrial ethernet in chapter two . combined with the development of ethernet , in chapter three , we ' ve brought forward a kind of ethernet structure and a design project for ethernet controller , the key equipment in ethernet . we ' ve also analysed how to resolve the uncertainty of the traditional ethernet which affected its industrial application . in chapter four we ' ve talked about how to realize network management system based on snmp and web technology , which includes its structure , function and programming model . we ' ve discussed the technology of ethernet integrating with other network in chapter five , which consisted of both integrating with information network and control network . . in the last chapter we ' ve analyzed the application project of ethernet in control field through practical case 第三章结合以太网技术的发展提出了一种以太控制网络的体系结构和其中的关键设备? ?嵌入式以太网控制器的设计方案，还对传统以太网中影响其在工业控制上应用的“非确定性”问题的解决办法作了分析。第四章讨论了基于snmp协议和web技术的网络管理系统的实现，包括结构、功能和编程模型。第五章讨论了工业以太网和其他网络的集成技术，分为与信息网络和控制网络集成两方面，最后一章通过实例来分析以太网在控制领域的应用方案。
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Firstly , this paper contrapose the disfigurements which exist in the internal gis software , the trend and technology of gis in the era of internet was discussed . secondly , using distributed computing technology to solve the problem of speed , making use of distributed database technology to settle the data distribution and share problem and utilizing distributed object technology to solve the problem of integrating the subsystems . finally , according to analysis for actual problem i have met in my developing process , this paper put forward a blue print which is very available to webgis based on distributed environment 本文首先针对目前国内gis软件的缺陷，对互联网时代地理信息系统的发展趋势和技术进行了探讨；然后提出利用分布式计算技术解决速度问题，利用分布式数据库技术解决数据分布和数据共享问题以及利用分布式对象技术克服各子系统集成问题的思路，探讨了在上述技术的基础上开发动态更新的webgis ；最后通过对实际应用中所遇到问题的分析，提出了切实可行的基于分布式环境的webgis解决方案。
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Contrapose to the instability of the third - order charge - pump pll system , the loop optimization method is employed in system level design to decide the bandwidth and phase margin , therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system . according to tsmc 0 . 35 m sige bicmos model , the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre 5 .根据tsmc0 . 35 msigebicmos工艺模型,利用cadencespectre模拟软件对所设计的电荷泵锁相环路中各个模块及整个系统进行了模拟仿真,模拟结果显示,在1 . 5v电源电压下,频率为200mhz的参考输入信号,输出中心频率为800mhz ,分频电路采用4分频,环路带宽为10mhz ,捕获时间大约为0 . 92 s ,功耗大约为15mw ,达到了设计指标。
