查询词典 displacement

Stepper motor is the electrical impulse signals into angular displacement or linear displacement of the open-loop control components.

摘 要：步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件[1]。

In this paper, the sine and cosine shaped sensors have been designed by using the integral characteristics of PVDF piezoelectric film. The sine PVDF sensor can be used alone to measure the displacement, speed, acceleration, stain, stress of the roof beam vibration; the cosine PVDF sensor can be used alone to measure the angular displacement and shear of the roof beam vibration; by using them jointly , the structural intensity can be measured for the roof beam without any finite differential error.

本文利用PVDF压电薄膜独特的积分特性，设计制作了正弦形状和余弦形状传感器，它们单独使用，正弦形状的PVDF传感器可以用来测量梁振动的位移、速度、加速度、应变、应力、弯矩；余弦形状的PVDF传感器可以测量振动梁的角位移和剪力；配对使用它们，可以用来测量梁的结构声强，用它们测量结构声强时不会产生有限差分误差。

Finally,an autocollimator and a high precise measuring head were used in the measurement of the displacement straighness and the the error of the lifting displacement,respectively.

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

According to the statistical regression, the average acceleration response spectra of the elect earthquake records are satisfied with the standard response spectrum by new code. The result which is obtained by combining the displacement average spectra and the standard deviated spectra are satisfied with the simulate displacement response spectrum by new code. 2. Compare two different calculated methods of inelastic demand spectrum based on the factor of yield strength and equivalent damping ratios.

通过统计回归发现，地震动加速度平均反应谱能较好地拟合规范设计反应谱，而地震动位移谱平均值+1 倍标准差能较好地拟合规范拟位移谱；②对依据屈服强度系数计算弹塑性需求谱和依据等效阻尼比计算等效弹塑性需求谱的方法进行了对比。

In chapter 1, the relations between spectrum displacement problem and controllability, observabiity for linear systems over a commutative Banach algebra have been discussed, the open problem about spectrum displacement posed by Kaashoek have been solved, and the if and only if conditions for stability, stabiizabit~ detectability have been obtained.

第一章，讨论了交换Banach代数上线性系统的谱配置问题与可控性、可观性的关系，解决了Kaashoek等提出的关于谱配置的公开问题，给出并证明了判定其稳定性、可稳定性、可检测性的充要条件。

According to the Law of Biot-Savart, the author concludes that there is an electric current which can distort the diurnal variations of the geomagnetic vertical component beneath the boundary line of the geomagnetic low-point displacement within and in the vicinity of the day of the geomagnetic low-point displacement anomalous.

作者依据Biot-Savart定律推测，在低点位移异常期间，在低点位移线下方有一引起地磁垂直分量日变化畸变的电流通过，且该电流为线状分布，或仅在垂直面内有分布，埋深一般认为几十千米。

Applying the active bridge circuit to metal target displacement measurement, the displacement measurement system was designed.

将有源电桥式电路应用于金属目标位移测量，设计了位移测量系统。

PICC is of higher performance than PLC, it can more easily solve the problem of sampling bed thickness and the control of electro-magnetic valves and so on in jig automation, buoyage displacement sensor can be sublimated to a complex sensor by means of the dynamic analyze of buoyage displacement signal.

可编程智能卡在过程控制中具有比PLC优越的性能，在跳汰自动化的应用中可更方便地实现床层厚度的采样与电磁风阀控制等工作，通过对浮标位移信号的动态分析可将浮标位移传感器升华为一个可感知多个参数的复合传感器。

The design scheme of the driving circuit for capacitive displacement sensor and the data processing as well as the system controlling software are discussed, and the precision of capacitive displacement sensor is calibrated.

给出了电容式位移传感器的驱动电路及数据处理与控制软件的设计方案，并对电容式位移传感器的精度进行了标定。

Results: When the slide segment was retained 1 mm width,the fifth cheek tooth and anterior edge midpoint of condyle process anterior slope and coracoid process showed negative displacement and the angle of mandible and the posterior edge midpoint of condyle process posterior slope showed positive displacement on x axes.

结果：在牵张过程中牵张侧下颌骨标志点位移趋势为在内外方向上第五臼齿、喙突、髁状突前斜面前缘中点的运动趋势是向外的，而下颌角、髁状突后斜面后缘中点的运动趋势是向内的；在前后方向上第五臼齿、喙突的运动趋势是向后的，而下颌角的运动趋势是向前的；在上下方向上第五臼齿的运动趋势是向上的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷