English translation for "原始粒子"
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- direct particle
primary particle
progenitor
Related Translations:
原始电子束: primary electron beam 原始力量: fancientpowerprimal might 原始图像: original imageraw image 原始责任: original responsibility
- Example Sentences:
| 1. | These are loose aggregates of a large number of primary particles of crystalline or spherical shape .
这些是大量晶体，或球原始粒子的疏松团粒。 | | 2. | But , pso convergence ' s speed become slow in latter iterative phase , and pso is easy to fall into local optimization . at present , some scholars improve base pso mostly using 3 methods : disperse algorithm , increase convergence speed , enhance particle ' kinds . in the paper , i put forward 2 methods aiming at local best resutl but not whole best result . i modify base pso using the last method . some scholars put forward times initializations , so i select best result after circulating some times to be a parameter of formula . first , put particle into some small region , and ensure every region having one paticle at least . second , every region ' s particle has probability transfer other regions . although increase running time , enhance particle ' kinds , decrese the probability of convergence far from whole best result . nerms ( network educational resource management system ) is one of the research projects in the science and technology development planning of jilin province . the aim of nerms is to organize and manage various twelve kinds of network educational resources effectively so that people can share and gain them easily and efficiently , so as to quicken the development of network education
但粒子群算法仍存在如下不足:首先在多峰的情况下,粒子群有可能错过全局最优解,远离最优解的空间,最终得到局部最优解;其次在算法收敛的情况下,由于所有的粒子都向最优解的方向群游,所有的粒子趋向同一,失去了粒子间解的多样性,使得后期的收敛速度明显变慢,同时算法收敛到一定精度时,算法无法继续优化,本文对原始粒子群算法提出了二点改进方案: 1 .算法迭代到一定代数后,把此时找到的全局最优解当作速度更新公式的另一参数(本文称之为阶段最优解)再进行迭代; 2 .每次迭代过程中除最优解以外的每个粒子都有一定概率“变异”到一个步长以外的区域,其中“变异”的粒子在每一维上都随机生成一个步长。 |
- Similar Words：
- "原始类型" English translation, "原始离子" English translation, "原始立方" English translation, "原始粒细胞" English translation, "原始粒细胞性白血病" English translation, "原始沥青" English translation, "原始力量" English translation, "原始莲座蕨属" English translation, "原始连续定律" English translation, "原始疗法" English translation
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