| 1. | A new kurtosis loose switching algorithms for blind source separation 一种峭度宽松开关盲分离算法 |
| 2. | An approach named component analysis based on kurtosis ( cabk ) was used to identify the overlapped peaks 摘要基于峭度的组分分析方法用来解析重叠峰。 |
| 3. | Test results show the method is simple and effective and that kurtosisness is a satisfying diagnosis parameter 试验结果还表明,峭度指标是一个理想的诊断参数。 |
| 4. | Assume combustion pressure as pulse force , the kurtosisness of torsional vibration of diesel is steady when engine is " healthy " 在正常发火情况下,扭振信号的峭度不一定按照正态分布,但是对特定的柴油机装置是稳定的。 |
| 5. | This paper proposes an algorithm for fetal electrocardiogram ( fecg ) extraction , which is based on joint maximization of kurtosis and autocorrelation 摘要针对胎儿心电图提取问题,提出了一种基于峭度和自相关函数联合最大化的算法。 |
| 6. | By adopting the vibration signal amplitude domain multi - parameter diagnosis method , the troubles of the valve on a triplex pump can be recognized accurately 采用振动信号幅值域多参数(如峭度指标、裕度指标和脉冲指标等)诊断法,可较准确地判别三缸泵泵阀的故障。 |
| 7. | The fast ica algorithm based on kurtosis is applied successfully to separate the signals , and some valuable sound sources and the corresponding machine parts are extracted 因此,采用基于峭度的快速独立分量分析( ica )算法,成功地分离出了信号的一些独立成分及对应的发声零部件。 |
| 8. | After reading many references , how to diagnose these faults using torsional vibration signal is studied in this paper . some satisfactory results are achieved in this paper : 1 本文的主要研究内容和创新成果如下: 1提出了利用扭振信号的峭度分析来诊断柴油机单缸熄火故障的方法。 |
| 9. | 5 , using the method of virtual value . kurtosis , time domain averaging and so on to pick up equipment fault information , and processing data by the method of svm theory 5 、利用有效值、峭度、时域平均分析等方法提取设备故障信息,并利用支持向量机( svm )理论进行机器学习算法研究。 |
| 10. | In this paper , a new method of diagnosing cylinder misfire by using kurtosisness of torsional vibration is first introduced . kurtosisness is a parameter which is sensitive to pulse 这一思路提出的来源于:峭度对大幅值和脉冲类信号比较敏感,根据柴油机燃烧的特点,可以假设气缸压力在一个在循环中为一个脉冲激励。 |