It has great impact on the recognition performance how well HMM observation density can describe the actual distribution.
HMM的观测概率能否很好描述模型的实际分布对识别性能有很大的影响。
By using observation data over 50 years, the paper systematically analyzed the relations of different stand density with diameter, height, crown of trees and so on.
利用近50年的系统定位观测资料，分析红松果材兼用林不同林分密度与直径、树高、冠幅等主要测树因子的关系。
Scientists predicted that the gas would have a high temperature and so it would primarily emit low-energy X-rays. But its very low density made observation difficult.
科学家们预言气体温度可能很高于是会主要发射出低能的X射线。但是其过低的密度给观测带来困难。
Besides, the bubble density and reflectance increased with the wake observation position approaching the target ship.
同时，随着观测点在尾迹中的位置距目标船的接近，气泡密度不断增大，反射率也随之增强。
Paraffin sections through observation, found that feeding the bees EM biological agents in the intestinal Peritrophic matrix (PM) thickness and density have increased.
通过石蜡切片观察，发现饲喂em生物制剂的蜜蜂中肠围食膜厚度和致密度有一定的增加。
This paper reports the result of direct observation of shooting process with high speed camera and the density distribution of the cores.
本文利用高速摄影直接观察的方法对射砂过程进行了研究，同时还对砂芯内的密度分布进行了测试。
The observation of tissue structure of pulp showed that the varieties with higher storability have thicker cuticle layer, higher density of epidermis cells which are well arranged.
果皮组织结构观察表明：耐藏性好的品种，角质层厚，表皮细胞密度大，排列整齐；
The porosity and permeability of matrix, and the width, density and direction parameters of fractures were obtained by core analysis, well logging, seism and thin section observation methods.
利用岩心分析、测井、地震、薄片分析等静态描述手段测试并计算了基质的孔隙度和渗透率，得到裂缝的宽度、密度和方位等参数。
This paper studies the type, density, frequency and filling of fractures in the reservoirs through core observation and microscopic thin section analysis.
为此，通过岩心观察和显微镜下薄片鉴定，研究了裂缝的发育类型、发育密度、发育频率以及充填特征。
The research tries to distinguish structure of strong shock-wave generated in low-density air by means of test and observation, and then analyse its characteristics.
本研究是用实验观测的方法判明低密度空气中发生的强激波的构造并进而分析其特性。
From the observation of biological structure, it was found that the fiber changes its density and direction continuously when passing around a hole.
对生物结构的观测表明在孔口附近的纤维是连续绕过的，已有实验证明这种绕孔结构的强度比钻孔结构有显著提高。
From the observation of biological structure, it was found that the fiber changes its density and direction continuously when passing around a hole.
对生物结构的观测表明在孔口附近的纤维是连续绕过的，已有实验证明这种绕孔结构的强度比钻孔结构有显著提高。
应用推荐