kurtosis

kurtosis

1. 45 M2 factor and kurtosis parameter of super-Gaussian beams passing through an axicon, 罗时荣,吕百达, Optik,2003, (SCI

46平顶高斯光束在单轴晶体中的传输,罗时荣,吕百达,物理学报,2003(SCI检索

2. Kurtosis parameter

K参数

3. A Trinomial Option Pricing Model Dependent on Skewness and Kurtosis

一个依赖于挠度与峭度的三项式期权定价模型

4. Electrical Power Demand Side Management in Shanghai and Meeting the Need of Electrical Power Kurtosis in Summer

上海电力迎峰度夏和需求侧管理

5. This thesis proposes a skewness and kurtosis correction (SKC) method to set up Xbar and R control charts for process monitoring.

传统投资组合理论大多假定股票报酬率服从常态分配,然而,近年来有研究指出个别股票的报酬率分配呈现正偏型态。

6. signal-to-noise kurtosis ratio

信噪峭度比

7. As a new statistical moment, the rectified skewness is as effective as kurtosis, and it is lesser susceptibility to spurious vibration than kurtosis.

修正歪度具有和峭度相似的性质,也可以作为幅域诊断参数,并且具有敏感性小的优点。

8. Keywords Skewness;Kurtosis;Normal distribution;t-Test;

偏度;峰度;正态分布;t-检验;

9. skewness and kurtosis

偏度和峰度

10. Because of the characteristic of paleosol's distribution of double-apices, the differences between high-order skewness and kurtosis are obvious.

偏态注重粒度分布的尾部,峰态关注峰的宽窄,且由于古土壤呈明显的双峰分布,因而高阶偏态和峰态差异显著。

11. other changes in the returning echo, including the kurtosis, also indicate the orientation of the fish.

其他包括峰度在内的改变,也能显示出鱼的方位。

12. When the modified kurtosis is maximized, the estimate of the range shift is obtained.

分析表明该算法具有良好的抗闪烁性能和抗噪性能。

13. The normalized kurtosis extracted from the decomposed results was composed of the feature vectors.

利用主要频率区间的特征向量进行单一传感器的目标识别。

14. The normality test of the synthetical evaluation index is conducted by using the kurtosis and skewness coefficients of the synthetical evaluating indexes.

利用综合评估指数序列的峰度系数和偏度系数对综合评估指数进行了正态性检验。

15. The kurtosis estimator for weighted samples is formally identical to the estimator for unweighted samples, except that the weighted counterparts of all measures it depends on are to be taken.

加权样本的峰度估算在形式上与非加权样本是一样的,除了所依赖的所有测算都换为加权的版本。

16. kurtosis of original signal average is also shown here to be useful in detecting excessive gear run-out.

原始信号的平均峭度也列在这里是有用的检测中过多的齿轮。

17. However, under the kurtosis range of current empirical financial studies, the violation does not exist.

因此,适合用来检查在不同的峰态与偏态下风险值的次加性是否违反。

18. 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。

19. Of thetraditional time-domain parameters, the peak-to-peak value, variance, kurtosis value, clearance factor can be selected as the diagnostic parameters for their sensitivities to plunger wear.

在传统的时域指标中,峰峰值、方差、峭度指标、裕度指标对磨损故障比较敏感,可作为诊断特征参数;

20. A method of signal-to-noise kurtosis ratio-based underwater target-radiated dynamic spectrum enhancer

基于信噪峭度比的水下目标动态谱增强算法研究

21. Kurtosis driven variable step size LMS adaptive line enhancer

基于峭度激励的变步长自适应谱线增强算法

22. Keywords component analysis based on kurtosis;overlapped peak;blind source seperation;

基于峭度的组分分析;重叠峰;盲源分离;

23. Blind Interference Suppression Using Code-Constrained Constant Modulus Algorithm Based on Minimum Kurtosis Criterion

基于最小峭度准则的码约束盲恒模干扰抑制算法

24. Sign Kurtosis Maximization Algorithm Based Underwater Acoustics Channel Blind Equalizer

基于符号峭度最大化的水声信道盲均衡算法

25. Based on constrained independent component analysis,a fast algorithm for one-unit ICA-R is proposed when absolute value of kurtosis is considered as contrast function in this paper.

基于约束独立成分分析理论,以峭度的绝对值为对比函数推导出一种快速一单元ICA-R算法。

26. Input signal Kurtosis based variable step size LMS adaptive line enhancement

基于输入信号峭度的变步长LMS自适应谱线增强方法

27. yet if the skewness is almost zero with high value of standard deviation and kurtosis of the ear, the higher it is.

如果该果穗的标准差小、峰度大,偏度接近零,则该果穗植株含油率的基因型纯合度较高。

28. The kurtosis based ICA approach is analyzed particularly and the geometrical explanation of this approach is presented in the paper.

对基于峰态绝对值最大化的ICA原理进行了详细分析,给出了该原理几何解释和适用范围。

29. Keywords Spectra of X-ray Powder Diffraction;Kurtosis;Blind Deconvolution;

射线粉末衍射谱;峰度;盲目反卷积;

30. sharp- kurtosis

尖峰

31. As regards Sk (bias angle) and Kg (kurtosis) values, the fluvio-lacustrine facies or palaeosols increases considerably compared with the aeolian sands.

就Sk和Kg变化而言,河湖相或古土壤值较之风成砂明显增高,前者呈正偏,后者常常表现近对称分布,仅少数呈负偏。

32. The skewness and kurtosis have close relation with aging process, which skewness decrease and kurtosis increase with the aging time.

局部放电统计参数偏斜度和峭度与老化程度有密切的关系,老化程度越严重,偏斜度越小,峭度越大。

33. kurtosis index

峭度指标

34. Kurtosis is a classical measure of non-Gaussianity of random variable.

峭度是随机变量非高斯性的一个经典度量。

35. kurtosis algorithm

峭度算法

36. Blind Source Separation with Kurtosis Adaptive Learning Rate

峭度自适应学习率的盲信源分离

37. peak kurtosis

峰峭度

38. Kurtosis is an eigenvalue of normal distribution of the image.

峰度是一个能表征图像是否呈正态分布的特征值。

39. kurtosis test

峰度检验

40. measure of kurtosis

峰度测度

41. the coefficient of kurtosis

峰度系数

42. the kurtosis coefficients were bigger during winter.

峰度系数值在冬季较大。

43. coefficient of kurtosis

峰态系数

44. Keywords kurtosis technic;a trait of iron;orthophenanthroline;

峰面积技术;微量铁;邻二氮菲;

45. Kurtosis technic

峰面积法

46. SKEWNESS AND KURTOSIS STATISTICS FOR TESTING NORMALITY IN EV MODEL

带有误差变量的偏度和峰度正态性检验

47. M2 factor and kurtosis parameter of super-Gaussian beams passing through an axicon, 罗时荣,吕百达, Optik,2003, (SCI

平顶高斯光束在单轴晶体中的传输,罗时荣,吕百达,物理学报,2003(SCI检索

48. generalized kurtosis

广义峭度

49. When we measure the kurtosis of a distribution, we are measuring its peakedness

度量一条频率分布曲线的尖削度就是度量其顶部的峰态。

50. Then, the amount of the range shift between two echoes is searched by using the modified kurtosis as the alignment measure.

当两回波和包络的修正峰度达到最大时,以此时的距离偏移量进行补偿,就可将回波对齐。

51. population kurtosis

总体峭度

52. kurtosis, arch, vault, doming,camber

拱顶。拱形结构。穹形。

53. Numerically Simulating Non-gaussian Random Processes with Specified PSD, Skewness and Kurtosis

指定功率谱密度、偏斜度和峭度值下的非高斯随机过程数字模拟

54. Practically, the application of options implied second moment, implied volatility, is very popular, but the study of implied third moment, skewness, and fourth moment, kurtosis, is seldom.

摘要:实务上,选择权价格所隐含之二阶动差(即波动率)应用得非常普遍,但有关所隐含三阶动差(偏态)及四阶动差(峰态)之研究则较为少见。

55. Because empirical distributions of rates of return on risky securities have characters of skewness and excess kurtosis, this article puts forward studying portfolio selection model conditional on non-normal stable distributions.

摘要针对风险证券收益率的经验分布所具有的偏态和过度峰态等非正态分布特征,提出在非正态稳定分布条件下研究投资组合模型。

56. maximum kurtosis criterion

最大峰度准则

57. Kurtosis Maximization Algorithm (KMA)

最大峰度算法

58. minimum kurtosis criterion

最小峭度准则

59. A set of 15 statistical operators such as skewness, kurtosis, the number of peaks have been introduced for representing the characteristics of statistical distributions.

本文采用偏斜度 、峭度 、峰值数 等15个统计算子来表征局放信号统计谱图的特征,并建立了四种典型局部放电类型的特征指纹库。

60. sample kurtosis

样本峰度

61. A probability distribution model for the light log-intensity fluctuation in turbulent atmosphere was introduced by taking consideration of the skewness and the kurtosis.

根据湍流大气中激光对数强度的最低几阶中心矩建立了一种最大似然概率分布模型, 该模型可以方便和准确地描述实际概率分布。

62. As to skewness, it is not as important as kurtosis in affecting subadditivity.

模拟结果显示,只有在非常高的峰态下风险值是违反次加性,而目前常见的财务资料的分配并不具有如此高的峰态。

63. normal kurtosis

正规峰态

64. Least Square Kurtosis Constant Modulus Algorithm for Blind Equalizer in Underwater Sound Channel

水声信道盲均衡的最小平方峭度恒模算法

65. Relationship between the Vertical Velocity Skewness and Kurtosis Observed during Sea-Breeze Convection

海风对流期间观测到的垂直速度偏斜度与峭度间的关系

66. Such parameters as standard deviation, skewness, kurtosis, etc. revealed by scatter diagram of quartz grain size indicate that each profile basically plots in different area.

石英粒度的标准差、偏度、尖度等参数也显示,各剖面样品基本上分布于不同的区域。

67. In the third section, rate of return serial distributing character of SHI and SZI is studied.They are skewness, kurtosis and non-normal.Their rate of return are autocorrelation, stationary serial.

第三部分是对上证综指和深证成指的收益率序列的分布特征进行了研究,说明它们都是有偏的、尖峰厚尾的和非正态的,通过检验得出它们的收益率都是自相关的、平稳的序列。

68. Results show that the range alignment algorithm based on maximum modified kurtosis can estimate range shifts and fulfills range alignment.

结果表明,基于最大修正峰度的距离对准算法可以准确地估计出回波的距离偏移量,实现距离对准。

69. It can be seen from the results that, as the number of sampling increases, the skewness and kurtosis of the drag force and inertia force tend to converge.

结果表明,随着采样次数的增加,拖曳力和惯性力的偏斜度和峰度驱于收敛。

70. Keywords EEG Wavelet transform Histogram Skewness Kurtosis;

脑电;小波变换;直方图分布;偏斜度;峭度;

71. The diurnal patterns of carbon flux,sensible heat flux and latent heat flux in reed wetland were single kurtosis and single vale,and the maximum value appeared at noon.

芦苇湿地碳通量、感热通量和潜热通量的日动态呈单峰单谷型变化,极值出现在中午前后,夜间线形平直。

72. Over the past few decades, there are numerous valuation models proposed, however, the one with direct consideration about skewness and kurtosis of underlying stock return is lacking.

虽然在过去的数十年间已有不少商品订价模式提出,但是却缺少了对于标的资产价格机率分配之偏度及峰度于转换公司债订价的研究。

73. Keywords Behavioral Finance;Overconfidence;Regret Aversion;Aversion to Ambiguity;Fat Tail;Kurtosis;

行为金融;过度自信;后悔厌恶;模糊厌恶;厚尾;尖峰;

74. Count, mean, median, minimum, maximum, range, variance, standard deviation, standard error, coefficient of variation, skew, kurtosis and frequencies are supported.

计数,平均值,中位数,最低,最高,范围,方差,标准差,标准差,变异系数,斜,峭度和频率的支持。

75. Based on Kurtosis Maximization Algorithm (KMA), a new cost function is defined by introducing the cross-correlation of two signals.

该方法在最大峰度算法(KMA)的基础上,引入信号的互相关约束定义了一种新的代价函数。

76. Our study suggests a relation between the excess kurtosis, the market order flow and the tendency of market participants to imitate each other.

该模型能较好地刻画投资主体之间的微观联系机制,并很好地解释股票收益的厚尾特性。

77. A weighed double Gaussian model is proposed to estimate super-Gaussian and sub-Gaussian probability density.In the framework of natural gradient, model parameter is calculated online by kurtosis.

该算法用加权双高斯模型估计超高斯与亚高斯信源分布,在自然梯度框架下,依据峭度实现模型参数自适应。

78. kurtosis of error sequence

误差信号峰度

79. spectral kurtosis

谱峭度

80. Further numerical experiments illustrate that, when the time lag of reaction increase, the kurtosis of the simulated distribution has an obvious increase, and the left tail tends to decrease;

进一步的数值模拟还发现,随着反应滞后时间的增加,收益率分布峰度增加明显,左尾有下降的趋势;

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