English translation for "sampling cluster"
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- 成团抽样
Related Translations:
- Example Sentences:
| 1. | Besides , considering the differences of the galactic gravitational potential models , there is different influence for the distribution morphologies of all of the orbital parameters of the selected sample clusters
此外，不同的银河系引力势模型对所选样本的轨道参数的分布形态也有不同程度的影响。 | | 2. | The differences in orbital morphologies due to different potentials is slighting , however , given a certain potential , for clusters that have perigalactic distance smaller than 1 kpc , some orbits may exhibit a chaotic behavior . the correlation between the metallicity of samples and the orbital morphologies is unclearly ; ( 4 ) it is found that the semi - major axis , apogalactic distance and azimuth period of 29 sample clusters are changed with their metallicity similarly , but a obvious correlation is seen between orbital eccentricity and metallicity . there is a fraction of 24 % of the sample clusters with eccentricities lower than 0 . 4
不同的引力势模型对球状星团轨道的具体形态影响不大，在给定的引力势模型下，当某些星团的运动轨道穿越距银心1kpc附近的区域时会出现“混沌”现象： ( 4 ) 29个样本星团的轨道半长轴、远银心距和方位周期随金属度的变化规律基本相似，样本星团的金属度与其轨道形态之间的相关性并不明显，然而轨道偏心率与金属度有关，对于所选的晕族样本星团而言，大约有24的样本星团的轨道偏心率低于0 . 4 。 | | 3. | The simulation tests result indicates that the speed and precision of sample training are increased because of sample clustering for fuzzy modular networks . and the problem of slow training speed and local minimum point are avoided when bp networks are applied in the fault diagnosis of complex boiler
本文所建的用于锅炉故障诊断的模糊模块化神经网络模型因进行了样本聚类，实验结果表明：其网络训练的速度和精度明显提高，同时有效地解决了bp网络应用于复杂的锅炉系统故障诊断时，存在训练收敛慢并容易陷入局部最小点的问题。 | | 4. | In this paper , the near - infrared spectral measurement and principal component analysis ( pca ) of simulated spilled petroleum samples are made , the princpal component scores are taken as the cluster characteristic variables for making fuzzy clustering , the near infrared spectrometry and pca together with fuzzy clustering method are then used for rapid recognition of simulated spilled oils , and the sample clustering and recognition patterns are established
摘要对模拟溢油的石油类样品进行近红外光谱检测并进行了主成分分析，以主成分得分作为聚类的特征变量进行模糊聚类，采用近红外光谱测量结合主成分分析和模糊聚类法快速识别模拟溢油种类，并建立了样品聚类与识别模型。 | | 5. | The calculating results show : ( 1 ) most of samples are located in 5 kpc - 10 kpc from galactic center . all of the sample clusters present a spherical symmetrical distribution around the galactic center , and their space velocities are presented a ellipsoidal distribution ; ( 2 ) according to the metallicity and basic characters , the sample clusters are separated into hb subgroup and mp subgroup . the number of samples are changed with metallicity [ fe / h ] , and there is a peak at [ fe / h ] = - 1 . 6 ; ( 3 ) the orbits of sample clusters show mostly limited , periodic characteristics , but the orbits are not closed completely , their maximal galactocentric distance is less than 40 kpc
计算结果表明： ( 1 )大部分样本星团都位于银心距5kpc 10kpc的范围内，相对于银心呈球对称分布，它们的速度也呈椭球分布； ( 2 ) 29个样本星团按其金属度大小和基本性质分类，可分属hb和mp两个球状星团次系，且样本星团数随金属度[ fe h ]而变化，在[ fe h ] = - 1 . 6处出现一个峰值； ( 3 )所有样本星团的轨道运动都呈周期性，大都在一个有界而不封闭的周期轨道上运动，其最大银心距都在40kpc以内。 | | 6. | The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before . ) . according to the basic parameters : azimuth coordinates , distances from the sun , radial velocities and proper motions of sample clusters , the initial positions and velocities of the samples are reduced using the galactic coordinates , and their orbits are integrated by numerical method for three different galactic gravitational potential models
本文选用银河系中29个累积光谱型为f型的球状星团作为样本(这些样本星团的空间分布和运动特征都没有被详细地讨论过) ，根据它们的基本资料：方位坐标、日心距、视向速度，绝对自行等参数，归算处理得出了各样本星团的空间分布和运动速度。 | | 7. | Finally the initial observational data are produced by monte carlo method , and the orbital parameters are calculated using the simulation data for the three sample clusters . the relationship between the distribution morphologies of the orbital parameters and the initial observational date as well as the different galactic gravitational potential models are discussed
最后，对3个样本球状星团的观测数据进行montecarlo模拟，并用于计算它们的轨道参数，以及讨论轨道参数的分布形态与模拟观测数据和不同引力势模型之间的关系。 |
- Similar Words：
- "sampling check" English translation, "sampling china" English translation, "sampling circuit" English translation, "sampling clock" English translation, "sampling clock noise" English translation, "sampling cock" English translation, "sampling collection" English translation, "sampling condition" English translation, "sampling configuration" English translation, "sampling connection" English translation
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