packing algorithm造句

• Under the background of packing design of bender, the packing algorithm of gradual advancement based on engineering-oriented constraint rule is presented
  摘要以弯管机布局设计为背景提出了一种基于工程约束规则的层次推进布局算法。
• This paper establishes the mathematical model, analyzes the procedure and features of several heuristic packing algorithms and presents a " lowest horizontal line " method which meets the bl condition and overcome the shortcomings of other algorithm for some patterns
  它克服了其它排放算法对某些排样图不能给出排列的缺点，满足“最左最下”条件，同时排放效果好。
• Utilizing the specialty of billboard's texture is rectangle, we used a simpler packing algorithm to pack re-projecting texture to one image, which effectively decrease the cost of texture memory and of exchanging texture when rendering
  利用billboard的纹理都是矩形的特性，使用了一种更为简单的packing算法，把重采样的纹理拼接到一张纹理图像上，有效地减少了纹理存储和绘制时纹理交换的代价。
• In chapter 3 we construct two approximation algorithms which applying bin packing algorithms for scheduling problems, one is ff ( first fit ) algorithm used in parallel machine scheduling problem pm / / dj = d / n which has a lower bound of asymptotic worst-case performance ratio, another problem is scheduling independent parallel tasks in parallel identical machine systems to minimize the makespan, we use strip packing method for it and give an approximation algorithm with asymptotic performance ratio no more than 1.6
  第一个算法利用装箱问题中的ff(firstfit)算法求解极大化按期完工工件数的平行机排序问题pmd_j=dn-u_j，该近似算法具有渐近性能比下界。第二个近似算法利用二维装箱中strippacking问题的算法求解以极小化makespan为目标的带并行工件的平行机排序问题，该算法的渐近性能比具有下界1.5和上界1.6。
• Secondly, the author analyzes adaptive encoding control algorithm, pack algorithm and feedback congestion control algorithm suited to mpeg-4 video . taking into account the matching transport rate and bandwidth, the author gives an improvement and optimization of the feedback congestion control algorithm . finally, a feasible project of network visual telephone is designed
  其次，在视频数据的传输码率与网络带宽的适应性方面，作者通过分析适用于mpeg-4视频适应性编码的控制算法、视频数据打包算法和网络拥塞控制算法，提出了网络拥塞反馈控制算法的改进和优化思想。
• On the foundation of these technologies the structural model of the system has been given finally and been realized through c + + language . the characteristic of this system is to transmit video data through ip group broadcast technical, combining present newest sound video general code and adopting rtp / rtcp on udp; at the same time, client end carries out medium decoding and playbacks with newest directshow technology . besides, this paper studies and designs the user bandwidth detection feedback control algorithm video coding adaptability control algorithm and network pack algorithm
  该系统的特点是结合目前最新的音视频对象的通用编码mpeg-4，采用在udp协议之上的rtprtcp，通过ip组播技术来传输视频数据；同时客户端采用最新的directshow技术进行媒体解码和回放；研究并设计了用户带宽检测的反馈控制算法，视频编码适应性控制算法和网络打包算法。