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Compared with the selected bispectrum based on best single features, the proposed method provides higher recognition accuracy and is more insensitive to path parameter dimension of feature space.

与单独选优选择双谱特征提取方法相比,该方法识别精度更高,且对于路径参数和特征维数更加不敏感。

But there is defect in present commonly used calculation formula of rockfall movement characteristics that there is no parameter can characterized the mass of the rock. So the computed result can not reflect the influence of the different rock mass to the movement characteristics and is quite different from the actual movement of falling rock.

但目前普遍采用的落石运动特征计算公式中存在没有表征落石质量的参数的缺陷,这使得计算结果不能体现落石质量的差异对其运动特征的影响,且与落石实际运动过程存在较大差异。

Analysis of characteristic of MDF abnormity Based on the measuring data of mould friction of continuous slab casting in steel plant, the fluctuation characteristic of MDF and its rootmeansquare has been studied on the unstable conditions, such as breakout, temperature system warning, abnormity of submerged entry nozzle, mould level fluctuation, and on-line change of slab width.

MDF异常特征和规律分析以宝钢2号板坯连铸机生产中的结晶器摩擦力实测数据为基础,对应现场的漏钢、水口断裂等异常纪录,讨论了生产中采取工艺操作、工艺参数变化及异常发生时MDF及其均方根的波动规律及变化特征。

Because the special points can be regarded as features,and used as references in segmentation and alignment.This paper proposed an approach based on approximate string match to match the sequence of special points.

实现签名认证的方法大体上可以分为两类,第一类是从签名样本中提取一些全局参数作为特征,第二类则把签名样本的整个信号序列,如坐标序列ux,uy、压力序列up、速度序列uv等看作是时间的函数,把这些函数作为签名的特征[4~6]。

The third chapter deduces the universal rules in the process of derivation. The substitution rule shows the nature of representations in two levels, the structure and the semantic levels with the features of combinatory and paradigmatic relations. The major parameter variations are interpreted with a weight on dislocation of word and the multi-functions of Wh-word in the frame work of the syntactical asymmetry. The fourth chapter further discusses the innate reasons of the English Wh-move and Korean Wh-in-situ in the syntactical system after summarizing the main findings of the comparison.

而后,在第三章采用演绎方法对英朝Wh-问句转换生成的共性规则,即指代规则在结构和语义两个层级上的指代特征及其聚合组合关系特征进行了分析;以句法不对称性为理论依据,以错位语序和wh-词的一词多功能为着眼点,对主要参数差异进行了生成解析;在第四章,对英朝Wh-问句对应关系和上述对比研究进行归纳总结的基础上,在句法系统中进一步讨论了英语WH-移位与朝鲜语WH-原位的言内原因。

Second,the new parameter models with statistically significant features were applied to predict the protein superfamily.

以具有统计显著性的特征及其组合特征作为新参数模式进行了预测;3。

To eliminate the limit, a hybrid objective function weighted by antitangent function is constructed, which behaves like an objective function of norm for small data points and like an objective function of norm for large data points, restraining the influence of false data points on inversion procedure.

为了解决这一问题,利用反正切函数作为加权因子构造了反正切混合目标函数,并利用模型试验进行了验证。简要阐述了最优化目标函数的构造方法;给出了利用反正切函数构造混合目标函数的基本原理,并对目标函数的微分特征和概率特征进行了分析;利用模型论述了反正切混合目标函数中控制参数μ和σ的意义,μ控制反正切函数变化的速度,σ控制数据误差项被处理或加权的方式。

This paper presents the methods based on the AR model of adaptive algorithm and multi-variable AAR model algorithm to extract feature information which is related with ERD/ERS in EEG.

将脑电信号中事件去同步化/相同步化现象作为特征信息,深入讨论基于AR模型的自适应算法和多变量参数AAR模型算法在脑电信号特征提取中的应用。

The canopy structure and leaf morphological characters of 4 sugarcane genotypes at different leaf layers on seedling were studied by using CI-100 plant canopy instrument and CI-203 area meter instrument. The results showed the leaf morphological parameters, canopy structure and radiation transmission at different leaf layers were notably different among different genotypes. The variation of Ila, Amfi, Dl at different leaf layers were mainly caused by the leaf width at relevant position. The variation of K at different leaf layers was related to Amfi and Dl. The variation of Td(transm. coef. for diffuse penetration)had significant correlations with Ila, Amfi and Dl. The variation of Tr(transm. coef. for radiation penetration)had significant correlations with Dl, leaf width and the ratio of leaf length to width. The variation of Par had significant correlations with Ila, leaf area, leaf width and the ratio of leaf length to width.

摘要利用CI-100数字植物冠层分析仪和CI-203叶面积分析仪测定了4个甘蔗品种不同叶位层的冠层参数和相应叶位叶片的形态特征,结果表明:不同基因型不同叶位层间叶片形态、冠层空间结构和冠层辐射特征存在显著差异,不同叶位层叶面积指数、叶簇倾角和叶分布的变化主要由冠层内不同叶位叶片叶宽的变化引起,而不同叶位层消光系数的变化主要与叶簇倾角和叶分布有关;散射光透过系数的变化主要与叶面积指数、叶簇倾角和叶分布有关,直射光透过系数的变化主要与叶分布、叶宽、长宽比有关,光合有效辐射的变化与叶面积指数、叶面积、叶宽、长宽比有关。

Based on the feature construction technology, the authors presents the ideals and methods of conceptual parametrical model from 3D-design point of view. Using shaft as a demonstration, the authors analyze and discuss the definition and classification of features, common technology of constructing models, and the result of this method.

安军从机械零件三维设计的角度出发,利用特征造型的技术,提出了构造概念化参数模型的思想和方法,以轴类零件为例,分析和探讨了特征的分类、定义及模型建立的一般技术,并给出了应用该方法进行设计的结果。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。