查询词典 stepping

In view of the present major problems of the open-loop control system for economic CNC lathe with stepping motor as feed motor, a newtype of closed-loop control system for stepping motor has been presented in the paper.

针对目前以步进电机驱动的经济型 CNC车床开环控制系统存在的主要问题，提出了一种新型的步进电机闭环控制系统。

The step motor can receive digital signal directly and has the ability to response outer environment immediately and has no accumulation error, which often is used in driving system. In this driving system, open-loop control system is composed of stepping motor, which can satisfy the demand not only for control precision but also for the target of economic and practicality. On this basis , the analysis of stepping motor in power calculating and style selecting is also given.

由于步进电机能够直接接收数字量，响应速度快而且工作可靠并无累积误差，常用作数字控制系统驱动机构的动力元件，因此，在驱动装置中采用由步进电机构成的开环控制方式，这种方式既能满足控制精度的要求，又能达到经济性、实用化目的，在此基础上，对步进电机的功率计一算及选型问题经行了分析。

This article introduces the status quo of linear stepping electric motor and research content of this topic, then discusses the development of linear stepping motor drive unit and general situation of the researched sample unit, furthermore supply the detailed introduction to DSP controller.

本文首先对直线电机的发展情况以及本课题的研究内容进行了介绍，然后讨论了直线步进电机驱动器的发展和本文所研究的样机的概况，接着对DSP控制器作了详细地介绍。

This paper mainly introduced one kind of new control stepping motor method, namely the use " the general I/O card + special purpose computer software " realizes stepping motor control, not only this method economical, moreover has the extremely good flexibility and the stability.

摘要本论文主要介绍一种新的控制步进电机的方法，即采用"通用 I/O 卡+专用计算机软件"来实现步进电机的控制，这种方法不仅经济实惠，而且具有非常好的灵活性和稳定性。

This paper mainly introduced one kind of new control stepping motor method, namely the use "the general I/O card + special purpose computer software" realizes stepping motor control, not only this method economical, moreover has the extremely good flexibility and the stability.

本论文主要介绍一种新的控制步进电机的方法，即采用"通用I/O卡+专用计算机软件"来实现步进电机的控制，这种方法不仅经济实惠，而且具有非常好的灵活性和稳定性。

Stepping-stone: Education is a stepping-stone to a good job.

教育是好工作的基石。

The CBST classes included actiities in which participants moed their upper bodies while bouncing and catching a ball; increasing the complexity of ambulatory tasks, such as changing direction to walk forward or laterally; walking on a plank; turning, bending and stepping on and off curbs; stepping oer obstacles; and more.

太极拳主要是调节身体的协调性，重心的转移，包括一只脚站立，臀部和踝关节的旋转，向前运动、向后运动，和向旁侧运动，等等。

After numerous tries over a three-day period, I discovered a bizarre sequence of moves involving delicate smears, stems, back-stepping, cross-stepping, laybacking, arm bars, pinching, palming, etc.

经过三天数次的尝试，我发现一个奇怪的连续动作，包含优美的磨擦脚点，挤塞，后侧支撑，交叉支撑，背向后倚式，顶手臂，捏，塞手掌等。

After numerous tries over a three-day period, I discovered a bizarre sequence of moves involving delicate smears, stems, back-stepping, cross-stepping, laybacking, arm bars, pinching, palming, etc.

经过三天数次的尝试，我发现一个奇怪的连续动作，包含优美的磨擦脚点，挤塞，後侧支撑，交叉支撑，背向後倚式，顶手臂，捏，塞手掌等。

Based on fuzzy mathematics comprehensive evaluation, the toxicity of heavy metals was taken into account. The fuzzy comprehensive evaluation results by pollutant concentration exceeding standard weighting method, toxic response coefficient heck-stepping index weighting method and heavy metal toxicity sorting weighting method were compared with the potential ecological risk evaluation results. The research results showed that the evaluation results by toxic response coefficient back-stepping index weighting method could reflect the actual results more truly and accurately.

在模糊数学综合评价基础上，将重金属的毒性纳入权重考虑，通过污染物浓度超标赋权法、毒性响应系数反推指数赋权法和重金属毒性大小排序赋权法的模糊综合评价结果与潜在生态危害指数评价结果比较，研究表明毒性响应系数反推指数赋权法的评价结果更能真实准确地反映实际结果。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。