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Firstly, this paper gives a brief introduction on the principles and the form of GPS system; On the base of the demand of the moving bi-static/multi-static radar measuring real-time position of the transmitter and the receiver, separately the application of GPS in the radar is discussed; Formulas of the distance and the azimuth the receiver relative to the transmitter are ...

论文首先简单介绍GPS的工作原理及其系统组成；根据在运动平台上的双/多基地雷达需要对发射站和接收站位置进行实时定位的要求，研究GPS在该雷达中的应用；根据GPS提供的接收站经纬度信息，推导了接收站相对于发射站的距离和方位角的计算公式；讨论了GPS定位误差对接收站定位和对目标定位精度的影响，结果表明GPS可以满足该雷达系统的要求。

The burgeoning country such as China still is it is the main motive force that urges fundamental product to rise in price, china is extremely driving to raw material demand gap of supply and demand is huge, the whole world is expanding produce will balance demand, but supply rise to always be later than rise than demand, for instance Australia plans to produce iron ore can break up one time but demand of not certain still can contented China; For instance machinery of of all kinds mine offers goods insecurity, the mechanical past of excavate gold mine orders goods need 12 months only, 3 years of ability such as need acquire finished product now.

中国等新兴国家仍是是推动基础产品价格上涨的主要动力，中国对原材料需求极其强劲供求缺口巨大，全世界都在扩大产能来平衡需求，但供给的提高总是晚于比需求上升，比如澳大利亚拟将铁矿石产能翻一番但还不一定能满足中国需求；比如各类矿山机械供货紧张，采掘金矿的机械过去订货只需12个月，现在需要等三年才能获得成品。

Furthermore,concrete pouring of wall and floors cannot be finished once.In addition,there exits heat bridge between wall and roofing in roof structure so that energy saving and heat in-sulation of construction will be affected.

为满足对住宅大开间的建筑设计要求、提高建筑节能性及限制使用烧结粘土砖，预应力混凝土屋面结构、轻质GRC屋面建筑结构体系已大量应用于多层住宅中。

From fixed-size systems for high volume inspection to range adjustable systems for maximum versatility, standard Johnson Gage Inspection Systems are ideally suited to your application, UN, UNJ, Metric, NPT, Acme, Buttress as well as other thread profiles are easily incorporated into the basic design.

从适用于大批量检测的固定尺寸螺纹量仪到具有最大多用途的范围可调的量仪，章森螺纹测量仪将会是非常完美的满足您的测量需求 UN ， UNJ ， Metric，NPT，Acme，Buttress 和其它的螺纹轮廓将会非常容易与基础设计整合在一起。

Based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre-stressed and so on working condition, the model parameters are identified by ANN, and the beam camber of different sections are given. The results demonstrated that the ANN is efficient and the theoretical results fit well with that of forecasting the beam camber in construction.In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, At the same time, the effecting parameter has collected. The paper build the ANN model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ANN model and introducing research process of the improved BNN. According to them, ANN is applied in the construction control of prestressed concrete continuous bridge. It is successful for used in the No. 4 bridge of Xiangfan bridge over-crossing Hanriver brideg. To predict the construction camber of by ANN method is useful and effective.

本文以大桥成桥线形满足设计要求和成桥内力控制在设计容许范围内为目的，运用现代控制理论的思想，引用神经网络基本原理，详细介绍BP神经网络的研究过程，从而建立预应力混凝土连续梁桥施工预拱度的神经网络模型，并详细讨论了模型的神经网络结点信息的提取，在工程实例的基础上进行了数值计武汉理工大学硕士学位论文算，数值表明，将神经网络应用于预应力混凝土连续梁桥施工控制，获得了满意的结果，在预应力混凝土连续梁桥施工控制技术研究方面，具有方便有效、精度高的优点，具有良好的应用前景。

In order to better and more comprehensive range of services in new and old customers to meet higher customer business requirements, companies do business 24 hours, door-to-door services, from business process management system to move gradually towards the internationalization of the world, in order to make the goods more secure, fast delivery that allows customers to have more confidence, the company has been in the Chinese People's Insurance Company for the carriage of goods by insurance.

为了更好更全面的服务于新老客户，满足客户更新更高的业务要求，公司做到二十四小时营业，门到门服务，从管理体系到业务流程逐步向国际化接轨，为了使货物更加安全，快捷的运到，让客户更放心，公司已在中国人民保险公司办理了货物运输保险业务。

Then applying Human Simulated Intelligent Control algorithm to the turntable control system has been designed to resolve the problems, which the load of the pitch channel is asymmetric and the rail's friction is uneven. The method has been verified in the real control system, and meets the requirements of the precision of turntable position. In finally, the algorithm has been simulated and tested correctly in matlab.

然后针对精密达位电动转台的俯仰通道负载不对称，导轨摩擦力不均匀等特点设计了适用于此系统的仿人控制算法，并在精密达位电动转台的实际控制系统中的得到了验证，使转台满足了精密达位的要求，最后结合matlab仿真检验了此算法的正确性。

Third, research and development company always adhere to market-oriented product development strategy, have a first-class design and development talent, timely capture the market and consumer demand dynamic, even faster, newer creative, higher quality development of a more Subject to market and consumer satisfaction with the products, diversification of product models with additional features and meet the different levels and stages of the needs of people and the country in 2003 "logo leather Cup" leather backpack design won the Grand Prix award category , Product has a high reputation and market position, product research and development capabilities abode in the forefront of the industry.

公司始终坚持以市场为导向的产品研发策略，拥有一流的设计开发人才，及时捕捉市场和消费者的需求动态，以更快的速度、更新的创意、更高的品质开发出更受市场和消费者满意的产品，以多样化的产品款式和附加功能满足不同层次、不同阶段人群的需求，并于2003年在全国&真皮标志杯&皮具设计大奖赛中荣获背包类一等奖，产品具有较高的声望和市场地位，产品研发能力居同行业前列。

The in-depth analyses and simulation calculations of two simplification methods are carried out in this paper. Then it is pointed out that the equivalent d- and q-axes damper winding model is not suitable for calculating the internal short circuits because the concept is not applicable in this situation, and the errors caused by it are too obvious to be accepted in electrical engineering; while the approximate damper cage model is acceptable since it not only meets the accuracy requirement of electrical engineering but also saves calculating time for computers.

本文对阻尼回路的2种简化方法进行了深入分析和仿真计算，指出等效d轴和q轴阻尼绕组模型应用于电机内部短路计算时，物理概念上存在缺陷，且会造成过大的误差、在工程上无法容许；而近似阻尼笼的处理方法既能满足工程精度要求，又可节省计算时间。

"Communications, leisure, living, product consist of city's fundamentalfunctions"(《Athens Charter》). With the development of society, tourism has becomean important function of city. City is the origination and destination of tounism byaccommodating the visitors. Because of the high efficience of transportation, perfectaccommodations, interesting amusement facilities and wonderful "human culturebackground", city becomes an important place which absorbs more and more people.Any landscape tourism zone or other places only depend on city that can formperfect receivirg systems. Tourism and amusement are different with the normalliving of citizen's, but all of these actions are under the base of fitting the high levelleisure wanted. City provides important carrier to deal with this contradict.Meanwhile, it becomes the bridge between tourism and city planning and UrbanDesign. Only expanding this research fields under city level that can take the maincontradict of"City Tourism." City Tourism is composed with some different loose trades.

雅典宪章》认为：&交通、游憩、居住、生产&构成城市四大功能，随着社会的发展，旅游服务已成为现代城市重要功能之一，城市是出入境和接待工作的必经之地，也是旅游的主要目的地和客源地，城市由于其便利的交通、完善的住宿餐饮、娱乐设施及良好的人文环境而成为重要的旅游吸引地之一，任何风景旅游区或其他旅游活动也只有依附于城市才能形成完善的接待服务体系，旅游者在城市中的旅游与游憩需求与居民日常生活虽有差异，但都是在满足基本要求基础上的高层次游憩与休闲活动，城市为解决上述矛盾提供了重要载体，也成为旅游业和城市规划与设计行业共同发展的桥梁，只有深入城市层面展开研究才能抓住旅游产业发展的主要矛盾。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。