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Road dynamic landscape design and simulation based on fuzzy clustering algorithm 基于模糊聚类算法的道路动态景观设计与仿真
Pub Date : 2024-05-10 DOI: 10.54254/2753-8818/34/20241143
Zounian Peng, Mengce Di, Dan Zhang, Qian Zhang, Yi Liu
Against the backdrop of rapid economic growth and continuous expansion of road networks in China, the planning, design, greening, and beautification of roads at all levels have entered a systematic implementation phase. Particularly noteworthy is the emergence of dynamic road landscape design as a major focus in the research on urban road beautification in the new era. This paper proposes a road dynamic landscape optimization design scheme based on the fuzzy clustering algorithm. It analyzes the primary elements constituting dynamic road landscapes and summarizes the fundamental principles for designing such landscapes. The fuzzy clustering method is employed to classify different road landscapes, optimizing the design system. Through simulation experiments, the effectiveness of the proposed scheme is validated, with results indicating an 8.34% higher accuracy compared to traditional methods. The study suggests that such road design not only meets basic traffic needs but also achieves greening and beautification effects while catering to users visual and psychological needs, showcasing the unique cultural, historical, and lifestyle characteristics of the city. Furthermore, this design fosters harmonious integration between roads and their ancillary structures and surrounding buildings, significantly improving the citys landscape and living environment.
在中国经济快速增长和道路网络不断扩大的背景下,各级道路的规划、设计、绿化和美化已进入系统实施阶段。尤其值得注意的是,道路动态景观设计成为新时期城市道路美化研究的重点。本文提出了一种基于模糊聚类算法的道路动态景观优化设计方案。它分析了构成道路动态景观的主要元素,总结了设计此类景观的基本原则。采用模糊聚类方法对不同的道路景观进行分类,优化设计系统。通过模拟实验,验证了所提方案的有效性,结果表明与传统方法相比,准确率提高了 8.34%。研究表明,这样的道路设计不仅能满足基本的交通需求,还能达到绿化和美化效果,同时满足用户的视觉和心理需求,展示城市独特的文化、历史和生活方式特征。此外,这种设计还促进了道路及其附属结构与周边建筑的和谐统一,极大地改善了城市景观和生活环境。
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引用次数: 0
Parking recommendation with meta-heuristic algorithms 使用元启发式算法推荐停车位
Pub Date : 2024-05-10 DOI: 10.54254/2753-8818/34/20241147
Siyuan Wu, Tingting Yang
Due to the exponential growth of cars in urban areas, parking problems have become a significant concern. Addressing this issue requires efficient methods for locating available parking spaces, enhancing the overall experience for drivers. This paper introduces a parking lot recommendation model leveraging meta-heuristic algorithms to generate a list of potential parking locations based on the users travel destinations. The primary objectives of these algorithms include minimizing travel distance, reducing total parking fees, and selecting parking lots with ample available spaces.The proposed model incorporates bio-inspired algorithms, including simulated annealing, genetic algorithms, and their adaptive variants. Our evaluation compares the performance of these algorithms, highlighting the adaptive simulated annealings superior quality of solutions and robustness against local minima. However, it is important to note that this approach comes with a trade-off, requiring longer execution times.In summary, this research contributes a novel parking lot recommendation model that effectively addresses the challenges posed by urban parking. The performance evaluation underscores the efficacy of the adaptive simulated annealing approach, showcasing its potential for practical implementation despite its relatively longer execution time.
由于城市地区的汽车保有量呈指数级增长,停车问题已成为一个令人严重关切的问题。要解决这一问题,就必须采用高效的方法来定位可用的停车位,从而提升驾驶者的整体体验。本文介绍了一种停车场推荐模型,利用元启发式算法根据用户的出行目的地生成潜在停车地点列表。这些算法的主要目标包括最大限度地缩短旅行距离、降低停车费用总额以及选择有充足空位的停车场。拟议模型采用了生物启发算法,包括模拟退火、遗传算法及其自适应变体。我们的评估对这些算法的性能进行了比较,突出显示了自适应模拟退火算法解决方案的卓越质量和对局部最小值的稳健性。总之,本研究提出了一种新型停车场推荐模型,可有效解决城市停车场带来的挑战。性能评估强调了自适应模拟退火方法的有效性,展示了其在实际应用中的潜力,尽管其执行时间相对较长。
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引用次数: 0
Automatic pricing and replenishment decision-making for vegetable products based on optimization models 基于优化模型的蔬菜产品自动定价和补货决策
Pub Date : 2024-05-10 DOI: 10.54254/2753-8818/34/20241181
Yifan Chen, Zhong Zheng, Xiaoya Wang, Ziqi Meng, Jiayao Li
Addressing the replenishment and pricing issues of vegetable products is crucial for ensuring product quality and freshness, optimizing sales combinations, refining pricing strategies, and enhancing operational efficiency. Through scientific data analysis and decision-making, supermarkets can better meet consumer demands, enhance competitiveness, and achieve sustainable development. This paper discusses the complex issues of procurement and pricing of fresh vegetable products in current supermarkets. It employs methods such as hierarchical clustering analysis, Topsis evaluation, and optimization models to construct data models, establishing multiple models to address replenishment and pricing decision-making from various perspectives. The research indicates, firstly, the paper categorizes vegetable products into four clusters, explores complementary and substitute products within them, and discovers that reasonable sales combinations among different types of single products can mutually promote sales, leading to higher economic benefits for supermarkets. Secondly, the paper derives a mathematical model describing the relationship between total profit, total sales volume of individual products, and pricing. This model provides valuable recommendations for supermarkets replenishment and pricing decisions, ensuring practical implementation of pricing and replenishment plans. Thirdly, the paper establishes a model for maximizing profits under constant replenishment quantities, assisting supermarkets in formulating more scientific replenishment plans for individual products within a limited number of available items. By judiciously applying the innovative mathematical models presented in this paper, supermarkets can obtain reliable market analysis and make corresponding replenishment and pricing decisions.
解决蔬菜产品的补货和定价问题对于确保产品质量和新鲜度、优化销售组合、完善定价策略和提高运营效率至关重要。通过科学的数据分析和决策,超市可以更好地满足消费者需求,增强竞争力,实现可持续发展。本文探讨了当前超市生鲜蔬菜产品采购和定价的复杂问题。它采用层次聚类分析、Topsis 评价、优化模型等方法构建数据模型,建立多种模型,从不同角度解决补货和定价决策问题。研究表明,首先,论文将蔬菜产品分为四个聚类,探讨了聚类内产品的互补性和替代性,发现不同类型单品之间合理的销售组合可以相互促进销售,为超市带来更高的经济效益。其次,论文推导出一个数学模型,描述了总利润、单品总销量和定价之间的关系。该模型为超市的补货和定价决策提供了有价值的建议,确保定价和补货计划切实可行。第三,本文建立了补货量恒定条件下的利润最大化模型,帮助超市在有限的可售货品范围内制定更科学的单品补货计划。通过合理应用本文提出的创新数学模型,超市可以获得可靠的市场分析,并做出相应的补货和定价决策。
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引用次数: 0
Quantum physics: A better model to understand consciousness-related brain functions 量子物理学:理解意识相关大脑功能的更好模型
Pub Date : 2024-05-10 DOI: 10.54254/2753-8818/34/20241123
Ziyu Li
With the development of quantum mechanics, it is applied to different fields, including biology. As intricate as human brains, quantum physics is replacing classical physics in explaining consciousness-related brain functions. The bilayer phospholipid membrane enables neurons in the brain to store and protect quantum information, and the abundance of 1/2-spin phosphorous creates potential for quantum entanglement that allows information to transfer along long distances and process consciousness. Scientists have used Schrdinger's cat thought experiment to explain how the uncertain and superimposed states in quantum physics can be applied to our decision-making behavior with conditions of "Yes" or "No." Scientists also conducted experiments to witness the quantum entanglement of particles in the brain. The observation of the phenomenon broke the pre-assumption that quantum entanglement is too fragile to occur in the chaotic environment in human brains, and it allows the possibility of ongoing conscious processing there. To further understand the decision-making mechanism, physicists should also integrate the knowledge in neuroscience, psychology, sociology, and other interdisciplinary subjects.
随着量子力学的发展,它被应用于包括生物学在内的不同领域。量子物理学与人类大脑一样错综复杂,正在取代经典物理学解释与意识有关的大脑功能。双层磷脂膜使大脑中的神经元能够存储和保护量子信息,而丰富的 1/2-自旋磷则为量子纠缠创造了潜力,使信息能够长距离传输并处理意识。科学家们用薛定谔的猫思想实验来解释量子物理学中的不确定和叠加状态如何应用于我们的决策行为,条件是 "是 "或 "否"。科学家还通过实验见证了大脑中粒子的量子纠缠。对这一现象的观察打破了量子纠缠因过于脆弱而不可能在人脑的混沌环境中发生的预先假设,并使人脑中正在进行的有意识处理成为可能。为了进一步了解决策机制,物理学家还应该整合神经科学、心理学、社会学和其他交叉学科的知识。
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引用次数: 0
Order-six complex hadamard matrices constructed by Schmidt rank and partial transpose in operator algebra 在算子代数中通过施密特秩和部分转置构建六阶复哈达玛矩阵
Pub Date : 2024-05-10 DOI: 10.54254/2753-8818/34/20241113
Yuming Chen
Hadamard matrices play a key role in the study of algebra and quantum information theory, and it is an open problem to characterize 6 6 Hadamard matrices. In this paper, we investigate the problem in terms of the Schmidt rank. The primary achievement of this paper lies in establishing a systematic approach to generate 6 6 Hadamard matrices and H-2 reducible matrices through partial transpose. First, if the Schmidt rank of a Hadamard matrix is at most three, then the partial transpose of the Hadamard matrix is also a Hadamard matrix. Conversely, if the Schmidt rank is four, then the partial transpose is no longer a Hadamard matrix. Second, we discuss the relationship between Schmidt rank and H-2 reducible matrices. We prove Hadamard matrices with Schmidt-rank-one are all H-2 reducible, and prove that some Schmidt-rank-two matrices are H-2 reducible. Finally, we confirm that the partial transpose of an H-2 reducible Schmidt-rank-one or two Hadamard matrix remains H-2 reducible.
哈达玛矩阵在代数和量子信息论研究中起着关键作用,而如何描述 6 6 哈达玛矩阵是一个未决问题。在本文中,我们从施密特秩的角度来研究这个问题。本文的主要成就在于建立了一种通过部分转置生成 6 6 Hadamard 矩阵和 H-2 可简化矩阵的系统方法。首先,如果哈达玛矩阵的施密特秩最多为 3,那么哈达玛矩阵的部分转置也是哈达玛矩阵。反之,如果施密特秩为四,则部分转置不再是哈达玛矩阵。其次,我们讨论施密特秩和 H-2 可还原矩阵之间的关系。我们证明了施密特秩为一的哈达玛矩阵都是 H-2 可还原矩阵,并证明了一些施密特秩为二的矩阵是 H-2 可还原矩阵。最后,我们证实了 H-2 可还原的施密特秩为一或二的哈达玛矩阵的部分转置仍然是 H-2 可还原的。
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引用次数: 0
Optimization of watermelon peel yogurt fermentation process and study on antioxidant capacity 西瓜皮酸奶发酵工艺优化及抗氧化能力研究
Pub Date : 2024-04-10 DOI: 10.54254/2753-8818/33/20240921
Zhiying Xu, Chenyu Ban, Zituo He, Dexiao Li, Yiming Sun
This study aims to explore the variation patterns of total flavonoid and other antioxidant activities in watermelon peel yogurt, providing a basis for the production of a functional yogurt. Using watermelon peel as the raw material and total flavonoid content as the indicator, the optimal process of watermelon peel yogurt was optimized through single-factor and orthogonal experiments. The results indicate that yogurt fermented with a mass ratio of watermelon juice to milk at 1:3, fermentation time of 10 hours, and fermentation agent dosage of 0.10% exhibits a refreshing watermelon aroma, excellent texture, and almost no whey separation. After process optimization, the polysaccharide content of watermelon peel yogurt increased by 19%, and water-holding capacity rose to 63.3%. Texture analysis revealed a hardness of 81.50 g, viscosity of 20.00 g, adhesiveness of 1.20 mJ, elasticity of 8.83 mm, and a draw length of 6.76 mm. The physicochemical and microbiological properties of watermelon peel yogurt meet national standards, and it possesses a good free radical scavenging ability.
本研究旨在探索西瓜皮酸奶中总黄酮及其他抗氧化活性的变化规律,为生产功能性酸奶提供依据。以西瓜皮为原料,以总黄酮含量为指标,通过单因素实验和正交实验优化了西瓜皮酸奶的最佳工艺。结果表明,在西瓜汁与牛奶的质量比为 1:3、发酵时间为 10 小时、发酵剂用量为 0.10%的条件下发酵的酸奶具有清爽的西瓜香味,口感极佳,几乎没有乳清分离。经过工艺优化后,西瓜皮酸奶的多糖含量增加了 19%,持水量提高到 63.3%。质构分析表明,西瓜皮酸奶的硬度为 81.50 克,粘度为 20.00 克,粘合力为 1.20 毫焦,弹性为 8.83 毫米,拉伸长度为 6.76 毫米。西瓜皮酸奶的理化和微生物特性符合国家标准,并具有良好的自由基清除能力。
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引用次数: 0
Java web development: Design and implementation Java 网络开发:设计与实施
Pub Date : 2024-04-02 DOI: 10.54254/2753-8818/34/20241166
Ziqi Liu
As society becomes more and more competitive, the pressure of exams faced by students is also increasing. For example, high school students are about to face the college entrance examination, college students face the graduate school examination, graduates face the job, and many other problems. The pressure on students is increasing, which may lead to psychological problems that may jeopardize their physical and mental health. To prevent students from having psychological issues, this project researched a Java web that analyzed students heart problems and provided corresponding solutions according to the problems. In this Java web, a heart questionnaire evaluation is provided, which is divided into selective questions and scored according to the users filling in the situation. According to the users scores combined with the big data, the users existing heart problems was analyzed. The users score is combined with big data to analyze the users heart problems, and finally feedback to the users heart problem suggestions. This mental health assessment helps students to face the stress of lifes difficulties positively and to maintain a positive attitude to deal with any difficulties.
随着社会竞争越来越激烈,学生面临的考试压力也越来越大。例如,高中生即将面临高考,大学生面临研究生考试,毕业生面临就业等诸多问题。学生的压力越来越大,容易产生心理问题,危害身心健康。为了预防学生出现心理问题,本项目研究了一个 Java 网络,分析学生的心里问题,并根据问题提供相应的解决方案。在该Java Web中,提供了一个心脏问卷评估,该问卷分为选择性问题,并根据用户填写情况进行打分。根据用户打分情况结合大数据,分析用户存在的心脏问题。用户得分结合大数据分析出用户的心脏问题,最后反馈给用户心脏问题建议。该心理健康测评有助于学生积极面对生活困难带来的压力,保持积极的心态应对各种困难。
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引用次数: 0
Quantum key distribution by teleportation and unextendible product operator bases 通过远距传输和不可扩展乘积算子库进行量子密钥分发
Pub Date : 2024-04-02 DOI: 10.54254/2753-8818/31/20240969
Xiaoxuan Li
Quantum teleportation and quantum key distribution (QKD) both play a key role in the application of quantum information processing. They have been widely realized in experiments in the past decades. We construct a multipartite QKD protocol using teleportation by a Greenberger-Horne-Zeilinger entangled state. The latter is a frequently studied family entangled states in theory and experiments. Our protocol shows the security because the loss of any particles does not lead to the loss of information the sender wants to send to the receiver. Further, the classical messages cost in the protocol occur only among some particles. We also apply the unextendible product operator basis (UPOB) by performing them on high dimensional states, which are then teleported to the receiver. We stress that UPOBs are related to quantum nonlocality, which is associated with the local indistinguishability of orthogonal states. Hence our paper may contribute to the novel understanding of quantum nonlocality, as well as related quantum-information tasks such as state and operation discrimination.
量子瞬移和量子密钥分发(QKD)在量子信息处理应用中都扮演着重要角色。在过去几十年中,它们已在实验中广泛实现。我们利用格林伯格-霍恩-蔡林格纠缠态的远距传输技术构建了一个多方 QKD 协议。后者是理论和实验中经常研究的纠缠态族。我们的协议具有安全性,因为任何粒子的丢失都不会导致发送方想发送给接收方的信息丢失。此外,协议中的经典信息成本只发生在某些粒子之间。我们还应用了不可扩展乘积算子基础(UPOB),对高维状态进行运算,然后将其传送给接收方。我们强调,UPOB 与量子非局域性有关,而量子非局域性与正交态的局部不可分性有关。因此,我们的论文可能有助于对量子非位置性以及相关量子信息任务(如状态和操作判别)的全新理解。
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引用次数: 0
Dynamic switching of psychological test questions and design of scalable database: A study of web page data visualization and front-end interaction 心理测试问题的动态切换和可扩展数据库的设计:网页数据可视化和前端交互研究
Pub Date : 2024-04-02 DOI: 10.54254/2753-8818/34/20241175
Xinyu Hu
As the need for efficient and user-friendly web applications in the field of psychological assessment continues to grow, traditional web development approaches are challenged to provide a dynamic and adaptive user experience. This study focuses on addressing these challenges through a comprehensive study that provides insight into the current state of psychological assessment web development, highlighting the shortcomings of traditional approaches, including the static limitations of Hyper Text Markup Language (HTML) and limited client-side scripting. The result is a user experience that lacks the responsiveness and flexibility that modern users expect. To tackle these problems, the intended solution suggested in this work combines a strong and scalable database design with a dynamic switching mechanism for psychological exam questions. Features-rich, aesthetically pleasing, and functioning client-server Web applications are created using technologies such as Servlets and Java Server Pages (JSP). The research contains practical case studies that demonstrate how Java-based user interface design can be successfully applied in real-world scenarios. The advantages of modularity, code reusability, and maintainability are demonstrated in these case studies. The study examines how selected technologies affect the performance, security, and accessibility of web UI, while also addressing load times, data integrity, and user inclusion issues. To summarize, this investigation underscores the crucial role of dynamic and scalable databases and Java-based technologies in enhancing the design of psychological assessment Web UIs.Developers can create web applications that exceed user expectations and provide superior user experience in the evolving digital landscape by using the proposed frameworks comprehensive toolkit.
随着心理评估领域对高效和用户友好型网络应用的需求不断增长,传统的网络开发方法在提供动态和自适应的用户体验方面面临挑战。本研究侧重于通过一项综合研究来应对这些挑战,该研究深入分析了心理评估网络开发的现状,强调了传统方法的不足之处,包括超文本标记语言(HTML)的静态局限性和有限的客户端脚本。其结果是,用户体验缺乏现代用户所期望的响应速度和灵活性。为了解决这些问题,本作品提出的解决方案将强大、可扩展的数据库设计与心理试题的动态切换机制相结合。利用 Servlets 和 Java Server Pages (JSP) 等技术,创建了功能丰富、美观实用的客户服务器网络应用程序。研究包含实际案例研究,展示了如何将基于 Java 的用户界面设计成功应用于实际场景。这些案例研究展示了模块化、代码可重用性和可维护性的优势。本研究探讨了所选技术如何影响网络用户界面的性能、安全性和可访问性,同时还解决了加载时间、数据完整性和用户包容性等问题。总之,这项调查强调了动态可扩展数据库和基于 Java 的技术在增强心理评估网络用户界面设计方面的关键作用。开发人员可以通过使用所建议的框架综合工具包,创建超越用户期望的网络应用程序,并在不断发展的数字环境中提供卓越的用户体验。
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引用次数: 0
Drag reduction of locomotive and practical scene 机车减阻和实际场景
Pub Date : 2024-04-02 DOI: 10.54254/2753-8818/31/20240931
Sichen Lu
As an important tool for peoples long-distance travel and transportation, the design accuracy of the high-speed railway must be strictly controlled. In addition, the train design needs to conform to aerodynamics, such as improving the linearity of the train flow to ensure that the gas flows smoothly through every part of the train, or reducing the front pressure to reduce the wind resistance, so as to reduce the problems of train instability, high noise and high energy consumption. This paper will analyse the design concept, flow linearity and how to reduce the resistance of locomotives under high-speed motion of Shinkansen trains in Japan. Because the Shinkansen trains developed in the early and later generations are mainly flat-headed, the study of Shinkansen can understand the significance of flat-headed trains. The practicability and manoeuvrability of ' flat head and 'bullet head' locomotives and the application of locomotives in real life are analysed in detail. Finally, it is concluded that the bullet train has a large turning angle and needs to open up a special road to run smoothly, but the bullet train is faster than the flat head. The flat-head train is highly practical and suitable for driving in the city, and another advantage of the flat-head train is that it can still maintain high stability and safety when carrying many passengers.
高速铁路作为人民长途旅行和运输的重要工具,必须严格控制其设计精度。此外,列车的设计还需要符合空气动力学原理,比如提高列车流动的线性度,保证气体平稳地流过列车的每一个部位;或者降低前压,减少风阻,从而减少列车不稳定、高噪音、高能耗等问题。本文将分析日本新干线列车的设计理念、流动线性以及如何减少高速运动下的机车阻力。由于早期和晚期开发的新干线列车主要是平头列车,因此研究新干线可以了解平头列车的意义。详细分析了 "平头 "和 "子弹头 "机车的实用性和机动性,以及机车在现实生活中的应用。最后得出结论:子弹头列车转弯角度大,需要开辟专用道路才能顺利运行,但子弹头列车比平头列车速度快。平头列车的实用性很强,适合在城市中行驶,平头列车的另一个优点是载客多时仍能保持较高的稳定性和安全性。
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引用次数: 0
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Theoretical and Natural Science
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