查询词典 pontryagin maximum principle

In this method, wavelet is used to extract fault characteristics and neural network is used to diagnose the faults; the inputs and outputs of the neural network are all memberships concretely, the inputs are the memberships of the crest factor, pulse factor, margin factor, bias factor, kurtosis factor and maximum spectrum on each characteristic domain, and the outputs are memberships of each fault.

即利用小波变换获取特征域，取特征域上的峰值因子、脉冲因子、裕度因子、偏态因子、峭度因子及频谱最大值作为神经网络的输入，并对神经网络的输入、输出进行模糊化处理，以神经网络进行诊断。

Proven package of scientific technology for maximum crop yields requires that improved seed, crop management practices and the use of inputs should be fine-tuned to farm-specific-situations.

已经证明的作物高产配套科学技术要求改良品种、作物管理措施和使用投入等应针对特定农场条件。

The experimental results show that the maximum SNCF of the joint occurs at the through brace saddle near the lap brace under axial loading out-of-plane bending, and at the lap brace crown heel under in-plane bending.

随后，研究了完全叠接管节点试件在复合荷载作用下的热点应力，结果表明在复合荷载作用下最大热点应力可能出现在介于鞍部和冠部之间的任一位置。

Based on 135 actual data by the investigation of 45 pl ots and 225 sample plots in Qinling to the maximum crown density of easi ly burning layers, to the amount of the surface burning material and to t he absolute water-content ratio in the surface burning material, and b y means of dissimilarity analysis method, 45 plots we have investigated can be o bviously divided into 6 groups.

根据秦岭林区45块标准地和225个样方的冠层易燃物最大密度、地表可燃物载量及地表可燃物绝对含水率3个实测值的135个数据，运用Dissimilarity analysis计算认为，调查的45块标准地明显地可聚为6类。

Branch diameter distributions changed from an abundance of small-diameter branches in the upper-crown, and in the middle-crown, composed with differential branch diameter, but only a few large-diameter branches in the lower-crown. Branch volume generally increased from upper- to lower-crown, and reached a maximum around the crown base. Branch density decreased from upper- to lower-crown.

枝条口径分布，从树冠上层多数的小径枝条至树冠中层转变为含不同口径枝条且变异较大，在树冠下层仅由少数大口径枝条组成；枝条体积则由树冠上层向下层增加，至树冠基部达最大值；而枝条密度则从树冠上层向下层逐渐递减。

According to differences among these groups, for est potential fire behavior in Qinling mountains crown fires can be divided into strong crown fire type, weak crown fire type and no crown fire type based on th e maximum crow density of easily burning layers, separated by indices D 0.11 kg/m3 and 0.37kg/m3 respectively; the intensity of surface fire can be d etermined by the μ and W factors and be divided into 3 classes, the str ong surface fire and the medium surface fire, separated by indices W 1.40k g/m2 and indices μ 40%respectively.

据类间 差异性将秦岭森林潜在树冠火行为分为强度树冠火、弱度树冠火和无树冠火3种类型，划分依据为冠层易燃物最大密度，区分指标分别为0.11kg/m3和0.37kg/m3；地表火强度划分应用μ和W双因素判断法，并将其划分为强度地表火、中度地表火和弱度地表火3 种类型，其区分指标分别为地表可燃物载量1.40kg/m2和地表可燃物绝对含水率40%。

Based on the relations among the stress, final wall-thickness of thin-walled tube and the characteristics of tube material, original size, curling radius along with friction condition in a axially-compressed internal inversion process on right-angled fillet die, some analytical discriminants were established for judging if a double-layered tubular piece of aluminum alloy could be steadily formed from a certain-sized round tube via internal inversion process without interference and plastic instability of tube wall, and a method was put forward for determining the maximum and minimum usable curling radius or die fillet-radius for thin-walled tubes in the process.

基于薄壁管直角圆角模轴压内翻过程中各处应力及最终壁厚与管材特性、管坯尺寸、卷曲半径及摩擦条件之间的关系，推出了判别任一铝合金双层管件可否由特定尺寸圆管稳定内翻成形而不出现管壁干涉与塑性失稳问题的解析判别式，指出了确定薄壁管圆角模内翻卷曲半径或模具圆角半径极限值的方法。

Maximum current flows through the fuel gauge , heating its bimetal Strip and causing the gauge pointer to move to the FULL end of the scale.

最大电流流经燃料衡量，暖气其双金属地带和造成衡量指针移动全面结束规模。

The results show that the mill current and particle filling increased with the coal feed flow when ventilation rate remained the same, mill current started to decline after rising to a peak, the beginning of the decline region corresponded to the optimal particle filling, at this point, the gap between balls were just full of coal particles, the mill was running close to maximum power, and grinding efficiency reached the highest.

研究结果表明，磨煤机通风量不变时，随着给煤量增加，磨内存煤量增加，磨煤机电流升高，电流上升到峰值后又有所下降，开始下降的区域对应的料位是最佳运行料位，此时，钢球间隙中刚好充满了煤粉颗粒，磨煤机接近最大功率运行，粉碎效率达到最高。

Carry current is the maximum current the relay can tolerate once the contacts have been closed.

载流是指继电器在触点闭合后能够承受的最大电流。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。