零位置

When the errors meet certain requirements, the adaptive law based on the Lyapunov stability further adjusts the weights of networks to ensure the asymptotic convergence of the tracking error to be zero.

当误差满足一定要求时，根据Lyapunov稳定性理论的自适应律进一步调整网络权值，以保证机械手位置误差和速度跟踪误差渐近收敛于零。

On the base of roundly analyzing and studying the running mode of the sensorless BLDCM, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail.

在全面分析研究了无位置传感器无刷直流电动机运行方式的基础上，细致阐述了反电势过零检测、相位判断及相位补偿的原理及实现方法，并且为了在较宽的范围内提高BLDCM的调速性能，采用了数字式转速闭环控制。

His ideas on immediate constituent analysis, segmentation by contrast, included position and absolute position, bound form and free form, the minimum free form, endocentric...

他提出的新概念有：内部位置和绝对位置，粘附形式和自由形式，最小自由形式，向心结构和离心结构，完整句和小型句，零成分，短语词等，对后世的语法研究有深远影响。

As a result the amplitude and phase difference of the boundary values are relevant totime in general case.

众所周知，对于暗孤子情况，透射系数极点的位置与非零边值(包括边值的模和在正负无穷远两端的相差)相关，存在微扰项时，极点的位置必然与时间相关，因此一般情况下边值的模和相差亦与时间相关。

Based on accurate step motor system parameters, the state equations describing step motor dynamic characteristics are set up. The operation of the self synchronization closed loop control system is simulated on computer. In the research the principle analysis and system design have been done about self synchronization closed loop operation. The relation between rotating EMF and the rotor position of the step motor is discussed. Through detecting the zero value of rotating EMF the rotor position of the step motor is indirectly obtained.

在得到准确的步进电动机系统参数的基础上，建立了描述步进电动机动态特性的状态方程，并对自同步闭环系统的动态特性进行了计算机仿真在论文的研究中，分析了旋转电势与电机位置的对应关系，通过旋转电势的过零检测间接得到转子位置信号，利用这种"间接传感器"方法实现了步进电动机的自同步闭环控制，论文从原理分析和系统设计两方面进行了研究。

The calculated results show: the ground state structures of PtNi5, Pt2Ni4 and Pt3Ni3 clusters are quadrangular bi-pyramid, and Pt4Ni2 and Pt5Ni clusters are triangular bi-pyramid with hat and triangular pyramid with quadrilateral, respectively. From the point of view of thermodynamics, PtnNim clusters are stable because of the negative enthalpy of formation; the positive NICS of PtNi5 clusters show anti-aromaticity, The negative NICS of Pt2Ni4 and Pt5Ni clusters show aromaticity. The number of the IR absorption peak of Pt3Ni3 is the most. The IR and raman absorption peak of PtNi5 , IR of Pt2Ni4, Raman of Pt3Ni3 and Pt4Ni2 have only one. The absorption peak of Pt5Ni appears in the bigger frequencies only, and is zero almost in the small frequencies.

研究结果表明：PtNi5、、Pt2Ni4、Pt3Ni3团簇的基态结构都为四角双锥结构，Pt4Ni2 和Pt5Ni团簇的基态结构分别是戴帽三角双锥和三角锥戴四边形结构；PtnNim团簇的生成焓都为负值，表明团簇在热力学上是稳定的；由NICS值可得，PtNi5团簇具有反芳香性，Pt2Ni4和Pt5Ni团簇具有芳香性；从光谱分析来看，Pt3Ni3团簇的IR较强吸收峰的个数最多，PtNi5团簇的IR和Raman、Pt2Ni4团簇的IR、Pt3Ni3和Pt4Ni2团簇的Raman只有一个强吸收峰值，Pt5Ni团簇的峰值只出现在频率较大的位置，频率小的位置几乎为零。

The OLM improves overhead crane and monorail positioning with exact absolute position information and eliminates overshooting targets, creeping into position, and re-zeroing that is standard for typical systems using rotary encoders and mechanical switches for positioning.

OLM运用精确的绝对位置技术来提高高架起重机和单轨铁路定位，以消除超出规定范围情况，缓慢进入位置并重新归零，这是使用旋转编码器和机械开关的典型定位系统的标准。

The simulation results show that when the location of the expected signal is fixed, the nulling performance of the satellite multi beam antenna can be destroyed seriously by changing the locations of the interferences or adding the number of the interference sources.

仿真结果表明，当期望信号源的位置确定之后，通过改变干扰源的位置或增加干扰源的数目，确实能达到有效地破坏卫星多波束天线的零陷效果的目的，使其无法正常工作。

Proper setting of the zero and pole points improves the position control provided by the state space position controller.

基于状态空间算法的位置控制器通过合适的零极点配置，可以提高位置控制性能。

However, we can measure just the position alone of a moving free particle creating an eigenstate of position with a wavefunction that is very large at a particular position x, and zero everywhere else.

然而，我们可以仅单独测量一个运动的自由粒子的位置用多数情况下特别位置X和零其它地方的一波函数来产生一个特征态。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。