排序方式： 共有38条查询结果，搜索用时 112 毫秒
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WANG Jin LU Guo-dong LI Ji-tuo CHEN Long ZHANG Dong-liang 《浙江大学学报(A卷英文版)》2007,8(10):1642-1649
This paper focuses on a pattern design method for a 3D triangular garment surface. Firstly, some definitions of 3D style lines are proposed for designing the boundaries of patterns as drawing straight lines or splines on the triangular surface. Additionally some commonly used style lines are automatically generated to enhance design efficiency. Secondly, after style lines are preprocessed, a searching method is presented for quickly obtaining the boundaries and patches of a pattern on the 3D trian- gular surface. Finally a new pattern design reuse method is introduced by encoding/decoding the style line information. After style lines are encoded, the pattern design information can be saved in a pattern template and when decoding this template on a new garment surface, it automates the pattern generation for made-to-measure apparel products. 相似文献
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Mackenzie Brooks 《College & Undergraduate Libraries》2017,24(2-4):467-481
ABSTRACTThis case study describes two iterations of a Digital Humanities (DH) “Studio” course on scholarly text encoding as a model for a DH curriculum at a small liberal arts college. Designed to accompany a three-credit humanities course, the one-credit DH Studios are taught by library faculty. The paired courses share a final project—a digital edition of a short work of literature encoded in the Text Encoding Initiative. The DH Studio creates a methodology-focused environment for students to practice information and digital literacies. 相似文献
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本文提出一种利用FPGA和眼图实现在工程上测量数字信号传输性能的一种方案;重点介绍了其结构、算法原理及具体实现原理;以ALTER公司的EP1C6Q240C8N为核心实现数字信号的编译码,通过三个2阶巴特沃斯低通滤波器和一个伪随机信号发生器用来模拟传输信道,滤波器采用TI的OPA系列作为核心芯片,加法电路采用的是THS4001、整形电路采用的是LM331,利用FPGA产生时钟信号、M序列、伪随机序列和曼彻斯特码,同时它也用于曼彻斯特码同步时钟信号的提取和译码。在本系统中10MHZ的伪随机序列用来模拟实际环境中的噪声。通过该系统将原信号进行编码、传输以及解调得到解调信号。实现了一个简单的数字传输性能分析仪的设计与制作,最终测量正确的眼图,达到预期的效果。 相似文献
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高君 《辽宁科技学院学报》2007,9(2):5-7
对MHT文件的组织结构进行了概要介绍,对涉及超链接及内嵌资源的HTML标记进行了归纳总结,提出了将相互链接的多级HTML页面及其内嵌资源保存到单一MHT文件的算法,此算法能够弥补IE浏览器保存MHT文件功能上的不足. 相似文献
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随着现代供应链应用的不断发展和完善,对流通物品进行路径追溯显得越来越重要,而实现路径追溯的关键是对路径中的结点进行有效编码,以保证提供高效查询及更新。本文主要对目前广泛使用的编码方法包括区间编码、前缀编码、素数编码及向量编码等的实现原理进行了讨论,并结合供应链特点分析了它们的优缺点。最后,指出了供应链环境中路径编码方法的未来研究方向。 相似文献
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In order to share multimedia transmissions in mesh networks and optimize the utilization of network resources, this paper presents a Two-stage Evolutionary Algorithm （TEA）, i.e., unicast routing evolution and multicast path composition, for dynamic multicast routing. The TEA uses a novel link-duplicate-degree encoding, which can encode a multicast path in the link-duplicate-degree and decode the path as a link vector easily. A dynamic algorithm for adding nodes to or removing nodes from a multicast group and a repairing algorithm are also covered in this paper. As the TEA is based on global evaluation, the quality of the multicast path remains stabilized without degradation when multicast members change over time. Therefore, it is not necessary to rearrange the multicast path during the life cycle of the multicast sessions. Simulation results show that the TEA is efficient and convergent. 相似文献
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自动组卷策略是利用计算机自动完成试卷生成的一种方案,整个过程的人工投入少,在很大程度上解放了教师,提高了工作效率。能否自动组出满足用户要求的试卷,与组卷使用的算法紧密相关。采用遗传算法,按照选择编码方式、产生初始种群、计算自适应函数、进行遗传操作、试卷生成的过程,可完成自动组卷操作。 相似文献