Optimizing Connections:Applied Shortest Path Algorithms for MANETs

This study is trying to address the critical need for efficient routing in Mobile Ad Hoc Networks(MANETs)from dynamic topologies that pose great challenges because of the mobility of nodes.Themain objective was to delve into and refine the application of the Dijkstra’s algorithm in this context,a method conventionally esteemed for its efficiency in static networks.Thus,this paper has carried out a comparative theoretical analysis with the Bellman-Ford algorithm,considering adaptation to the dynamic network conditions that are typical for MANETs.This paper has shown through detailed algorithmic analysis that Dijkstra’s algorithm,when adapted for dynamic updates,yields a very workable solution to the problem of real-time routing in MANETs.The results indicate that with these changes,Dijkstra’s algorithm performs much better computationally and 30%better in routing optimization than Bellman-Ford when working with configurations of sparse networks.The theoretical framework adapted,with the adaptation of the Dijkstra’s algorithm for dynamically changing network topologies,is novel in this work and quite different from any traditional application.The adaptation should offer more efficient routing and less computational overhead,most apt in the limited resource environment of MANETs.Thus,from these findings,one may derive a conclusion that the proposed version of Dijkstra’s algorithm is the best and most feasible choice of the routing protocol for MANETs given all pertinent key performance and resource consumption indicators and further that the proposed method offers a marked improvement over traditional methods.This paper,therefore,operationalizes the theoretical model into practical scenarios and also further research with empirical simulations to understand more about its operational effectiveness.

Pioneering a New Realm of Human Rights Civilization in the Chinese Path to Modernization——An Overview of the Symposium on“The Chinese Path to Modernization and the Promotion of Free and Comprehensive Human Development”

On October 14,2023,a symposium themed“The Chinese Path to Modernization and the Promotion of Free and Comprehensive Human Development”was held in Changchun,Jilin Province,China.More than fifty experts,scholars,and researchers from national institutions and universities engaged in discussions and exchanges on human rights on the Chinese path to modernization,including the path,practice,knowledge systems,and civilization forms of human rights.This symposium played a significant role in advancing the construction of the disciplinary system,academic system,and discourse system of human rights in China.

50 Gbit/s前传光模块关键技术研究与应用展望

随着全球5G网络的规模化商用及移动互联网流量的迅猛增长,更为丰富的无线频谱资源得以释放,高速率光模块在无线前传网络中的需求日益凸显。聚焦于50 Gbit/s前传光模块的关键技术,深入剖析了前传网络的两种主要组网方式,分析了前传链路的典型传输距离及链路损耗情况,探讨了10 km场景下粗波分复用(coarse wavelength division multiplex,CWDM)中各波长的最大色散值和最小色散值,并研究了相应的色散补偿策略,通过实验验证了不同多径干扰(multi-path interference,MPI)强度下系统光功率代价的变化,详细分析了多径干扰噪声对系统误码性能的潜在影响,为前传光模块参数的优化提供了重要的理论依据。此外,深入研究了50 Gbit/s前传光模块的光电芯片技术方案,对多种不同类型光模块的参数性能进行了严格的测试,提出了针对50 Gbit/s前传光模块光电接口参数的标准化建议,详细介绍了当前50 Gbit/s前传光模块在国内外的标准现状,并展望了未来应用的发展趋势。

固定翼UAV路径跟踪的全局稳定积分滑模S面控制

针对固定翼无人机的三维路径跟踪控制问题,设计了一种基于全局稳定积分滑模S面模型的内外环控制器。控制器外环采用全局稳定积分滑模控制,内环采用S面控制。设计控制器外环的全局稳定积分滑模控制律,并采用Lyapunov理论证明所设计控制律的稳定性。对内环的指令信号设计S面控制器,考虑到S面控制器中求导的复杂性,引入二阶微分器,解决内环中导数存在积分爆炸的问题。半物理仿真试验结果表明,提出的控制器能精确跟踪期望路径,具有良好的控制性能和抗干扰性能。

Research on the Teaching Optimization Path in Children’s Creative Art Curriculum Under the Perspective of“Sanquan Education”

Children’s creative art curriculum is a professional course supported by art materials and techniques and facilitated through creative activities,aiming at cultivating students’ability to organize creative art activities using various art materials and techniques.In light of the evolving focus in China’s colleges and universities from“what to know”to“how to apply,”the pivotal question for educators is how to maximize the value of children’s creative art curriculum.Based on this,this article takes“Sanquan education”as the starting point,combines factual and theoretical arguments,and analyzes the teaching optimization path of children’s creative art curriculum under the perspective of Sanquan education,to improve the quality and efficiency of teaching.

智慧环境下的“U-S双师”课堂:设计、实施与评价

为破解教师教育者缺乏中小学教学经验、师范生在真实情境中实践机会有限等问题,文章基于协同创新和深度学习理论,系统构建了智慧环境下的“U-S双师”课堂教学设计框架,提出网络直播、真情境教学和课例展示三种双师课堂实施路径以及表现性评价设计步骤,并将其用于实践,开展行动研究。文章认为,智慧环境下的“U-S双师”课堂具有师生协同的互惠性、教学过程的进阶性和学习环境的智能性,是高校教师教育者与中小学教师共同开发课程内容,通过线上线下联袂执教或线下共同教学等形式,为师范生提供多元参与体验和个性化指导机会,促进师范生知识迁移、问题解决和实践创新的一种课堂形态。实践表明,师范生肯定“U-S双师”课堂的教育价值,能够积极参与并顺利完成学习任务,获得较为扎实的数学教学知识,形成创新思维能力和自我发展能力,但是评课交流方面的高阶思维能力亟待加强。

Automatic fracture–vug identification and extraction from electric imaging logging data based on path morphology

We present a path morphology method to separate total rock pore space into matrix, fractures and vugs and derive their pore structure spectrum. Thus, we can achieve fine pore evaluation in fracture–vug reservoirs based on electric imaging logging data. We automatically identify and extract fracture–vug information from the electric imaging images by adopting a path morphological operator that remains flexible enough to fit rectilinear and slightly curved structures because they are independent of the structuring element shape. The Otsu method was used to extract fracture–vug information from the background noise caused by the matrix. To accommodate the differences in scale and form of the different target regions,including fracture and vug path, operators with different lengths were selected for their recognition and extraction at the corresponding scale. Polynomial and elliptic functions are used to fit the extracted fractures and vugs, respectively, and the fracture–vug parameters are deduced from the fitted edge. Finally, test examples of numerical simulation data and several measured well data have been provided for the verification of the effectiveness and adaptability of the path morphology method in the application of electric imaging logging data processing. This also provides algorithm support for the fine evaluation of fracture–vug reservoirs.

The Shortest Path Analysis Based on Road Network

Rational planning of agricultural product transport route from initial node to destination node can effectively reduce the cost price of agricultural products,and the calculation of shortest path between any two points also affects people’s daily travel.Taking Heze Railway Station to Heze College for example,with remote sensing image data as the base map,we conduct vectorization and topological analysis on roads in the target area.With Dijkstra as theoretical basis of shortest path algorithm,we use ArcG IS network analysis method to build road network,and calculate the planning program of the shortest distance path,the shortest path by driving and the shortest path by walking.

Fuzzy robust path tracking strategy of an active pelagic trawl system with coordinated ship and winch regulation

A fuzzy robust path tracking strategy of an active pelagic trawl system with ship and winch regulation is proposed.First,nonlinear mathematic model of the pelagic trawl system was derived using Lagrange equation and further simplified as a low order model for the convenience of controller design.Then,an active path tracking strategy of pelagic trawl system was investigated to improve the catching efficiency of the target fish near the sea bottom.By means of the active tracking control,the pelagic trawl net can be positioned dynamically to follow a specified trajectory via the coordinated winch and ship regulation.In addition,considering the system nonlinearities,modeling uncertainties and the unknown exogenous disturbance of the trawl system model,a nonlinear robust H2 /H∞ controller based on Takagi-Sugeno(T-S) fuzzy model was presented,and the simulation comparison with linear robust H2 /H∞ controller and PID method was conducted for the validation of the nonlinear fuzzy robust controller.The nonlinear simulation results show that the average tracking error is 0.4 m for the fuzzy robust H2 /H∞ control and 125.8 m for the vertical and horizontal displacement,respectively,which is much smaller than linear H2 /H∞ controller and the PID controller.The investigation results illustrate that the fuzzy robust controller is effective for the active path tracking control of the pelagic trawl system.

Hierarchical robot control structure and Newton's divided difference approach to robot path planning

A hierarchical robot control is proposed for robot soccer system. The Newton’s divided difference is utilized in robot path planning. This paper describes the problems encoutered, software design considerations, vision algorithm and controls of individual robots. The solutions to the problems implemented are simple and direct. It is observed that many of the ideas and solutions can be evolved based on simple theories and concepts. This paper focuses on software structure of multi agent controls, vision algorithm and simple path planning method.

The path and countermeasures of increasing government’s governance capacities in energy-saving renovation of existing buildings

The dual functions of government participation and governance in the development of the existing building energy-saving renovation market determine the importance of the government’s scientific and effective actions.Continuously improving the government’s role is to promote the effective operation of the existing building energy-saving renovation market.Based on the inherent requirements of improving the government governance capacity in the development of the existing building energy-saving renovation market,this paper constructs the implementation path for the development of the existing building’s energy-saving renovation market from the three dimensions of practical concept,practical process and practical methods.From the four aspects of improving the legal and regulatory system,building a market information sharing platform,establishing a sound market supervision mechanism,and consolidating and improving the market accountability system,we will structure the existing building energysaving renovation market development to improve the government’s ability to restrain and implement measures.From the four levels of improving the market incentive mechanism,optimizing the market financing environment,clarifying the position of market resource allocation,and building a social operation platform,design measures to improve government incentives in the development of the existing building energy conservation renovation market.From the shaping of governance yuan organizational roles,governance capacity and responsibilities of departments at all levels to define boundaries,to build four main interactive platform governance perspective,the main parties demand balance the interests of both the governance capacity development planning in the government market,building energy-saving market to enhance the implementation of countermeasures.In order to promote the healthy and sustainable development of the existing building energy-saving renovation market based on the enhancement of government governance capacity.

Historical Conditions and Experiences Summary of China’s Human Rights Development Path Since the Founding of the PRC

Since the founding of the People’s republic of china,the path of human rights development in china has been based on national liberation and state sovereignty.The practice of human rights protection in the 30 years before the launch of reform and opening-up accumulated the conditions for the practice after the launch of reform and opening-up.reform and opening-up have provided the great motivation and opportunity for the development of human rights in china.against the background of international practice,china’s human rights development path,since the founding of the People’s republic of china,has been developed in the fight against human rights diplomacy that interferes in china’s internal affairs with human rights used as a political tool.it has gone through the process from evasion to passive counterattacks,and then actively participating and playing a leading role.The 70 years’development of human rights in china shows that human rights progress is highly dependent on the country’s construction of the rule of law,and the coordinated and comprehensive promotion of human rights protection policies promotes the overall progress of the human rights.in order to promote human rights with development,the transition from the top-down path to the combination of top-down and down-top path is suggested.

Taking the Path of Poverty Reduction with Chinese Characteristics to Promote New Progress in China's Human Rights——A Keynote Speech at the Opening Ceremony of 2018 Beijing Forum on Human Rights

The 2018 Beijing Forum on Human Rights opens on this wonderful autumn day.On behalf of the China Society for Human Rights Studies, I wish to express warm congratulations on the opening of the forum and a sincere welcome to all guests from home and abroad.

基于业财融合下物流企业财务转型的路径——以S物流企业为例

近年来,随着我国经济的迅猛发展,特别是信息技术与网络技术的快速发展,传统工业经济不断向互联网经济转变,各个企业之间的竞争日益加剧。面对激烈的市场竞争,企业需要适时制定转型战略,不断地对自身的组织结构进行调整和优化。财务管理是现代企业管理的重要组成部分,业财融合作为现代企业财务管理的一大趋势,对财务管理提出了更高的要求,因此企业需要不断探索财务转型的有效路径。文章以S物流企业为例,就该企业如何基于业财融合实现自身的财务转型提出一些建议和看法。

中国共产党跳出治乱兴衰历史周期率两个答案中的人民性思想

作为历经百年风雨而风华正茂的马克思主义政党,中国共产党成功的一个重要密码就在于将人民性思想体现在治国理政的全过程中,跳出治乱兴衰历史周期率的两个答案就是一个典型范例。从“民主新路”到“自我革命”,是中国共产党在承袭马克思主义人民观、借鉴中国传统民本思想和总结党长期发展经验的基础上,在带领人民实现站起来、富起来到强起来的进程中,对中国共产党实际发展的积极回应,两个答案在价值追求、品质体现、目标导向等方面有着共同特质。新征程上,必须在“变”与“不变”中深化对人民性的理解、在强化制度建设中促使人民性原则落地生根、在良好的党群关系中有效助推党的自我革命,才能更好地理解这两个答案中坚持人民性思想的意义,更好地践行“两个答案”。

离散对象的计数

本文从集合概念出发,分别就重集,全序和偏序集,计数基本原理等内容,汇总了线状和环状的排列与组合,整数分析对应的标准和半标准杨表计数的常用计数解题的方法和技巧.随后从生成函数,格路计数和Polya计数定理等方面,用实例的方法说明它们在离散对象计数方面的应用.最后,通过求解化学中同分异构体计数问题的简短编程,介绍了计算机辅助软件Maple在快速高效求解离散对象计数问题方面的作用.

新发展阶段粮食安全与农民增收路径

运用2010-2021年我国26个省份的面板数据,以粮食产量为产出变量,以劳动力、资本、水资源、土地资源、农药、化肥为投入变量,计算粮食生产效率,运用回归模型分析粮食生产效率对农民收入的影响。回归分析结果显示粮食生产效率对农民收入具有正的影响,据此提出降低农业生产成本、促进城镇化与农业现代化协同发展、优化财政支农形式等建议,以提高粮食生产效率,促进农民增收。

S形进气道纤维铺放轨迹规划和优化方法

为研究纤维铺放轨迹规划和优化算法,在分析等铺放角法和等距偏置法两种轨迹规划方法的基础上,提出基于纤维带边缘曲线的轨迹规划方法和纤维带丝束数量计算方法。在轨迹铺放角范围满足设计要求的前提下,将等铺放角法和等距偏置法两种轨迹规划方法相结合,提出以曲线在曲面内等距偏置为核心的铺放轨迹优化方法。该算法可以提高铺放设备的工作效率,并对纤维带丝束数量、纤维重叠面积、纤维间隙面积等铺放信息的计算方法进行了分析。最后将以上分析结果应用到S形进气道曲面的铺放轨迹规划中,证明了该铺放轨迹规划和优化方法的可行性。