信息检索实习报告

班级 英语141 学号 201410810010 姓名 周明雪 日期 题目：三国时期的航海1.课题分析：秦始皇时期，鼓励民众进行航海事业的探索。两汉时期，汉武帝更是开辟了“海上丝绸之路”，加强了我国与周边诸国的联系。三国时期，中国基本处于分裂状态，这种分裂的局面影响了秦汉以来航海活动的发展，但由于东南沿海相对稳定,当时经济中心南移,航海活动也主要在东南沿海地区,占据优越的自然地理条件的各个政权,也不断地进行航海事业的探索和航海活动，也萌发了“海权意识”。因此,三国时期的分裂局面从整体上对秦汉以来的航海造成了影响,但是当时中国的航海事业还是在徘徊曲折中不断发展的。2.选择数据库：中国知网 、维普期刊资源整合服务平台 、 EI Compendex(EI Village 2) 、Elsevier ScienceDirect3.检索途径：1.主题=三国 and 主题 = 航海 (精确匹配)2.题名或关键词=三国 并且 题名或关键词=航海 3. ($China) WN ALL) AND ($navigation) WN ALL) AND (1969-2015 WN YR)(China) WN All fields) AND (navigation) WN All fields)(China) WN All fields) AND (navigation) WN All fields)4. ALL(China) and ALL(navigation)4.检索内容：一、中国知网第一条SrcDatabase-来源库: CJFD2011Title-题名: 中国航海历史的徘徊时期三国、两晋、南北朝(公元220589年)Author-作者: 孙光圻;Organ-单位: 大连海事大学航海历史与文化研究中心;Source-文献来源: 世界海运第二条SrcDatabase-来源库: CJFD1998Title-题名: 欧洲三国航海教育考察与借鉴一书出版发行Author-作者: 陈怡勤Source-文献来源: 中国水运第三条SrcDatabase-来源库: CDFD2004Title-题名: 明清士大夫与琉球Author-作者: 徐斌Source-文献来源: 福建师范大学二、维普期刊资源整合服务平台 第一条Reference Type: Journal ArticleTitle: 最惠国待遇Journal: 现代财经：天津财经学院学报Year: 1995Issue: 5Keywords: 3651586最惠国待遇条款Keywords: 最惠国条款Keywords: 关税普遍优惠制Keywords: 缔约国双方Keywords: 通商航海条约Keywords: 保护关税政策Keywords: 无歧视待遇Keywords: 第三国Keywords: 4967657进出口许可证Keywords: 3579276自由贸易原则Abstract: 最惠国待遇最惠国待遇，是国际经济贸易关系中常用的一项制度，又称“无歧视待遇”。它通常指的是缔约国双方在通商、航海、关税、公民法律地位等方面相互给予的不低于现时或将来给予任何第三国的优惠、特权或豁免待遇。条约中规定这种待遇的条文称“最惠国条款”。最惠国.URL: :4412/article/article_detail.aspx?id=1002516782Database Provider: 重庆维普资讯有限公司第二条Reference Type: Journal ArticleTitle: 天下无双Author: 罗萨Journal: 微型计算机Year: 2010Issue: 23Keywords: 7999486大航海时代Keywords: 1371477战略游戏Keywords: 7127264三国志Abstract: 各位同学，笔者今天要给大家讲一个关于“无双”的故事。话说那是在并不遥远的泥轰国，泥轰国里有一个叫做光荣的游戏公司，这个公司制作的游戏大多都是历史题材的战略游戏，比如说三国志、信长野望、大航海时代之类的，所以也被许多玩家称其为内涵公司。URL: :4412/article/article_detail.aspx?id=34781476Database Provider: 重庆维普资讯有限公司第三条Reference Type: Journal ArticleTitle: 经曲如云的光荣公司(KOEl)Journal: 电脑采购Year: 2004Issue: 24Keywords: 1142687游戏玩家Keywords: 2136228世界地理Keywords: 航海Keywords: 4335910历史题材Keywords: 5028902经纬度Keywords: 5602956获取知识Keywords: 有限公司Keywords: 时代Keywords: 1758882三国志Keywords: 娱乐Abstract: &；lt；正&；gt； 大航海时代系列说到大航海时代.可能很多读者又能想起当初没日没夜、反反复复征服五洲四海的豪情,又想起自己亲手记下的经纬度和各地特产,也许很多人就是通过它才知道了世界地理和各国的风土人情,并多多少少知道了一点航海知识.游戏的力量很伟大.而这种让人娱乐并获取知识的游戏则更伟大。URL: :4412/article/article_detail.aspx?id=668786771200424015Database Provider: 重庆维普资讯有限公司三、EI Compendex(EI Village 2)Title:Research and development on satellite positioning and navigation in ChinaAuthors:Meng, Weixiao (1); Liu, Enxiao (1); Han, Shuai (1); Yu, Qiyue (1) Author affiliation:(1) Communication Research Center, Harbin Institute of Technology, Harbin, China Corresponding author:Meng, W.(wxmeng)Source title:IEICE Transactions on CommunicationsAbbreviated source title:IEICE Trans CommunVolume:E95-BIssue:11Monograph title:Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011Issue date:November 2012Publication year:2012Pages:3385-3392Language:EnglishISSN:09168516E-ISSN:17451345CODEN:ITRCECDocument type:Conference article (CA)Publisher:Maruzen Co., Ltd., P.O. Box 247, Nihonbashi, Tokyo, 103-8691, JapanAbstract:With the development of Global Navigation Satellite System (GNSS), the amount of related research is growing rapidly in China. A lot of accomplishments have been achieved in all branches of the satellite navigation field, especially motivated by the BeiDou Program. In this paper, the current status, technologies and developments in satellite positioning and navigation in China are introduced. Firstly, an overview and update of the BeiDou Program is presented, known as the three-step development strategy for different services. Then signal design for the BeiDou system is discussed, including the generation of pseudo-random noise (PRN) codes for currently available signal B1, and the investigation of a new signal modulation scheme for interoperability at open frequency B1C. The B1C signal should comply to Multiplexed Binary Offset Carrier (MBOC) constrains, and a modulation called Quadrature Multiplexed BOC (QMBOC) is presented, which is equivalent to time-multiplexed BOC (TMBOC) for GPS and composite BOC (CBOC) for Galileo, while overcomes the drawback of CBOC. Besides, the inter and intra system compatibility is discussed, based on the effective C/N0 proposed by International Telecommunication Union (ITU). After that, receiver technologies in challenging environments are introduced, such as weak signal acquisition and assisted GNSS (A-GNSS). Moreover, a method of ambiguity mitigation for adaptive digital beam forming (ADBF) in large spacing antenna arrays is proposed, by which interference suppression is available. Furthermore, cutting edge technologies are brought in, including seamless navigation for indoor and outdoor, and collaborative navigation. After all, GNSS applications in China for industry and daily life are shown, as well as the market prospection. Copyright © 2012 The Institute of Electronics, Information and Communication Engineers.Number of references:22Main heading:Global positioning systemControlled terms:Antenna arrays - Interference suppression - Interoperability - Modulation - Multiplexing - Radio navigationUncontrolled terms:BeiDou - GNSS - MBOC - Navigation receiver - Signal designClassification code:711 Electromagnetic Waves - 716 Telecommunication; Radar, Radio and Television - 716.3 Radio Systems and EquipmentDatabase:CompendexCompilation and indexing terms, Copyright 2015 Elsevier Inc.Title:Analysis of chinas inland navigation standardsAuthors:Hu, Bo-Hua (1); Ai, Wan-Zheng (1) Author affiliation:(1) Marine College of Zhejiang Ocean University, Zhoushan 316000, China Corresponding author:Hu, B.-H.(aiwanzheng)Source title:Applied Mechanics and MaterialsAbbreviated source title:Appl. Mech. Mater.Volume:275-277Monograph title:Applied Mechanics and Materials IIssue date:2013Publication year:2013Pages:2811-2815Language:EnglishISSN:16609336E-ISSN:16627482ISBN-13:9783037855911Document type:Conference article (CA)Conference name:2012 International Conference on Applied Mechanics and Materials, ICAMM 2012Conference date:November 24, 2012 - November 25, 2012Conference location:Sanya, ChinaConference code:95257Publisher:Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, GermanyAbstract:The development of waterway transport is supported strongly by Chinas inland navigation standards, but there are deficiencies in inland navigation standards. The inadequacies of Chinas inland navigation standards are analyzed in this paper, and suggestions for improving standards are put forward, this paper provides a reference to the amendment of inland navigation standards. © (2013) Trans Tech Publications, Switzerland.Number of references:6Main heading:StandardsControlled terms:NavigationUncontrolled terms:Fairway - Fairway width - Inland navigationClassification code:716.3 Radio Systems and Equipment - 902.2 Codes and StandardsDatabase:CompendexCompilation and indexing terms, Copyright 2015 Elsevier Inc.Title:Modeling and prediction of TEC in China region for satellite navigationAuthors:Chunli, Dai (1); Jinsong, Ping (2) Author affiliation:(1) Shanghai Astronomical Observatory, Chinese Academy of Sciences, Nadan Rd.80, Shanghai 200030, China; (2) Shanghai Astronomical Observatory, China Corresponding author:Jinsong, P.(pjs)Source title:2009 15th Asia-Pacific Conference on Communications, APCC 2009Abbreviated source title:Asia-Pac. Conf. Commun., APCCMonograph title:2009 15th Asia-Pacific Conference on Communications, APCC 2009Issue date:2009Publication year:2009Pages:310-313Article number:5375628Language:EnglishISBN-13:9781424447855Document type:Conference article (CA)Conference name:2009 15th Asia-Pacific Conference on Communications, APCC 2009Conference date:October 8, 2009 - October 10, 2009Conference location:Shanghai, ChinaConference code:79491Sponsor:China Institute of Communications; Shanghai Jiao Tong UniversityPublisher:IEEE Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United StatesAbstract:The satellite navigation system needs the forecast of the ionosphere. Its indispensable to select an efficient ionospheric model and predict the value of TEC. In this paper, the Klobuchar14 parameter model is introduced and the time series of the 14 parameters for ten years are generated by fitting the TEC in China region with the model. Then, with the two-variable regression analysis, the relationship between the time series and the sunspot and the 10.7cm solar radio flux is established. In addition, the periodic function is introduced to fit the time series. Finally, with the AR model, the series of the 14 parameters are predicted and the forecast of the TEC in China region is produced. The accuracy assessment of the prediction shows the feasible of this method. ©2009 IEEE.Number of references:10Main heading:Time series analysisControlled terms:Forecasting - Ionosphere - Ionospheric measurement - Navigation - Regression analysis - Satellite navigation aids - Time seriesUncontrolled terms:14 parameters - Accuracy assessment - AR models - China region - Ionospheric model - Parameter model - Periodic function - Satellite navigation - Satellite navigation systems - Solar radio fluxClassification code:922.2 Mathematical Statistics - 921 Mathematics - 912.2 Management - 716.3 Radio Systems and Equipment - 711.1 Electromagnetic Waves in Different Media - 944.8 Radiation Measurements - 655.2 Satellites - 481.3 Geophysics - 443.1 Atmospheric Properties - 434.4 Waterway Navigation - 431.5 Air Navigation and Traffic Control - 655.1 Spacecraft, GeneralDatabase:CompendexCompilation and indexing terms, Copyright 2015 Elsevier Inc.四、Elsevier ScienceDirect(Abstract: AbstractWeather and ocean states such as ocean winds, ocean waves, and ocean currents can significantly affect ship navigation. To fully understand the currents effect on navigational fuel and time costs, especially in the case of strong western boundary currents such as the Kuroshio Current, an in-depth examination of how the Kuroshio Current quantitatively affects ships is needed. This article presents simulations, based on the Princeton Ocean Model (POM), in the North Pacific Ocean and focuses on the ocean surface current in the East China Sea (ECS). Then, several numerical simulations of ship navigation are conducted by utilizing a ship-maneuvering model known as the Mathematical Maneuvering Group (MMG). The results show that the POM model can generate a high-quality Kuroshio Current distribution that can be applied to conduct numerical simulations of ship navigation.Keywords: Kuroshio Current; POM; Numerical simulations; Ship navigation; Optimal route planningAbstract: AbstractBeidou is the regional satellite navigation system in China, consisting of three kinds of orbiting satellites, MEO, GEO and IGSO, with the orbital altitudes of 2150036000 km. For improving the accuracy of satellites orbit determination, calibrating microwave measuring techniques and providing better navigation service, all Beidou satellites are equipped with laser retro-reflector arrays (LRAs) to implement high precision laser ranging. The paper presents the design of LRAs for Beidou navigation satellites and the method of inclined installation of LRAs for GEO satellites to increase the effective reflective areas for the regional ground stations. By using the SLR system, the observations for Beidou satellites demonstrated a precision of centimeters. The performances of these LRAs on Beidou satellites are very excellent.Keywords: Beidou navigation satellites; Satellite laser ranging (SLR); Laser retro-reflector arrays (LRAs)Abstract: AbstractIn order to reduce the composite impacts of the systematic biases in the X-ray pulsar-based navigation system, an innovative navigation method is proposed. The proposed method employs the time-differenced measurement which is the difference between the measurements at the neighbor epochs. For Earth-orbiting satellite, the systematic biases vary slowly over the navigation period, and the time-differenced measurement can greatly reduce the major part of systematic biases. Through observability analysis, the corresponding navigation system is demonstrated to be completely observable. In order to solve the correlation between the process and measurement noises in the proposed method, a modified unscented Kalman filter is derived. In addition, the modified unscented Kalman filter propagates the selected sigma points to generate the time-differenced measurement model without involving linearization error. The results of simulations have shown that the proposed method can effectively reduce the composite impacts of systematic biases including the pulsar angular position error, pulsar distance error, Earth ephemeris error, and satellite-borne clock error.Keywords: X-ray pulsar-based navigation; Systematic biases; Autonomous navigation