| 1. | By means of this index this paper analyzes the gentleness of the peak ’ s slope for the four normally used envelope functions and some of them have been modified
文中据此对四种包线函数的平稳度进行了分析,还对某些包线函数提出了一些改进。 |
| 2. | The evaluation has been made for normally used four envelope functions of earthquake ground motion . being as evaluation standard of the envelope function this paper pointed out that the controlling capability of the parameters involved in functions of the peak position of the envelope with single peak and the shape of the envelope are essential besides simplicity of the formula of envelope function
本文对已经提出的四种经常使用的包线函数模型进行了评价,认为对于评价单峰点包线函数,除了要求形式简单以外,其优劣可以用函数对峰点位置和高峰隆起程度的控制能力作为标准。 |
| 3. | 2 . in this paper , the continuity of the wavefunction and of its derivative divided by the band - mass can be satisfied and the number of the terms is small when calculating the energies of the single electron in a square quantum wire with finite barriers , then this wavefunction can also be selected as the envelope function in studying the impurity states and the excitons in the square quantum wires with finite barriers
2 .由于本文所取波函数满足波函数的连续性条件和粒子流的守恒条件，并且计算有限深方形量子线中单电子的能量时需要展开的项数较少，故此波函数也可选为有限深方形量子线中杂质态、激子等问题的包络函数。 |
| 4. | A new control strategy is presented by combining fuzzy - neural control with feedback control under considering the uncertainties of robotic system firstly based on robot force / position hybrid control . fuzzy - neural network is used to learning the boundary of envelope function of uncertainties , and the feedback controller is used to enhance the complete performance of fuzzy - neural control strategy
在机器人力/位置混合控制的基础上，首先设计了一种模糊神经网络控制器与反馈控制器相结合的控制方案，采用模糊神经网络在线学习所有不确定性的包络函数的上界，引入反馈控制器，以增强模糊神经网络控制策略的完备性。 |
| 5. | By using methods of normalizing variables and functions and envelope function in disposal of mathematic model , they standardized the expression of mathematic model and are convenient for calculation , also decreased the number of optimal constraints . the practice proved the superiority of these disposal and practicability in engineering
在优化设计数学模型处理上，本文采用了变量与函数归一化、同类性态函数包络化等处理方法，从而规范了数学模型表达，方便了计算处理，并大大减少了优化约束的规模，实践也证明了这些处理的优越性和工程实用性。 |
| 6. | It is also pointed out that if kanai power spectrum and penzien power spectrum is regarded envelope function in time domain , they are powerful and easy in viewpoint of envelope shape controlling ability . penzien power spectrum is even able to describe the envelope with two peaks like camel
文中通过分析指出如果把“金井清谱”和“ penzien谱”等模型,看作是时间域中包线,这两个模型的调节能力都很强,而且比较方便,其中“ penzien谱”模型可以用来表示具有两个峰点的包线。 |
| 7. | The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes . there are not stationary part any more in the envelop function of these ground motions . after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function
近场的中小地震由于其在到震源的距离与震级方面的特殊性，其时程包络函数的形状与远震、大震有很大的区别，在远震、大震包络函数中很常见的平稳段不再存在。 |
