特征参数

On the basis of shock wave characteristic of the supersonic projectile and the detailed analysis of measured datas,a method of decomposing and reconstructing the trajectory shock wave signal and muzzle blast wave signal is proposed and the characteristic parameters for positioning sound source and calculating trajectory vector with regular tetrahedron detection array are extracted.

根据空气动力学原理，在阐述超音速弹丸的弹道波特性的基础上，通过详细分析实测的声信号，提出了弹道波信号和枪口冲击波信号的小波分解和重构方法，提取了利用正四面体探测基阵进行声源定位和弹道矢量计算的特征参数，获得了满意的实验结果。

Other characteristics such as temperature and relative humidity depend on the product and nature of the operations carried out.

其他特征参数，如温度和相对湿度，必须根据操作的性质和相应的产品而定。

The results indicated that:(1) It is viable to use the electron affinity energy of the metal atom in the catalyst, and the ortho-/para-substition ratio of phenolic model compounds as parameters. Thereby, the related data of Resole resins catalyzed by different catalysts can be put into the same training set for modelling.

研究结果表明：（1）用催化剂中金属原子的电子亲合能和酚醛模型化合物的邻／对位取代比作为特征参数是可行的，因而可将不同类型催化剂催化的Resole树脂的有关数据合并于同一训练集中进行建模。

Based on wavelet transform, a new calculation method about character parameter of the restoring force model is also presented.

基于小波变换原理，提出一种新的基于小波变换的恢复力模型特征参数的计算方法。

Based on the penetrate -resistance capability of steel-fiber concrete,this paper presents the revisional formula in calculating penetrating depth by introducing toughness index of steel-fiber concrete and considering the influence of shape character and content of steel-fiber.

对钢纤维混凝土抗侵彻性能进行了研究，将钢纤维含量特征参数和钢纤维混凝土韧度的概念引入到侵彻深度计算公式中，在试验的基础上给出了弹体对钢纤维混凝土侵彻深度的别列赞修正计算式。

According to the slab's bearing capacity, rigidness, failure mode and deformation property, the thesis suggested four-linear resilience model for the slab and computation formula for the characteristic points'values in the model.

根据密肋复合墙板的承载力、刚度以及破坏模式与变形性能，提出了密肋复合墙板的四线型恢复力模型，确定了恢复力模型中各个特征参数点的计算公式。

Moreover, the block of texture was selected on the basis of the central line of crop row. The co-occurrence matrixes of the H color space that was quantified 8 levels were computed. Based on that, five texture parameters were extracted. Then, the K-means clustering method was used to recognize weeds within crop rows.

然后，以作物行中心为基准来选取纹理块，计算量化级数为8级的H颜色空间的共生矩阵，提取5个纹理特征参数，利用K均值聚类法判别分析各块的类别来识别行内杂草。

Ve Bayesian. The thesis researches and designs the inference rule of anomaly intrusion detection system based on Bayesian Network, the learning rule of feature parameters used by anomaly intrusion system based on Bayesian network, and designs data structure of Bayesian Network and the relevant algorithms.

研究并设计了入侵推理和基于贝叶斯网络异常检测特征参数的学习规则、设计了贝叶斯网络的数据结构及相关算法。

The scan line method is one of the most commonly used methods in rock joints survey.

测线法是野外采集结构面几何特征参数的常用方法之一。

Draw to the features of object of the maize seedling, it has established the system of new index .

根据苗特征参数建立了描述玉米生长状态的新指标体系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。