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measuring of speeds
相关语句
  相似匹配句对
     Measuring inequalities
     不均衡度的测量
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     Measuring as-received variation
     接收信号响应变化的测量
短句来源
     The Measuring Methods of Level
     电平的测量方法
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     The Soft Measuring Technology
     过程软测量
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     There are two speeds of impulse.
     不同神经脉冲速度具有其特殊的意义。
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To overcome the defects of mechanical speedometer ,the author has designed an electronic speedometer which is constructed with Hall electronic device 3031T IC,MCS-8051 single chip microcomputer ,optoisolator 4N37,comparator LM311,LED VDU etc .The paper,fully details its basic design principle and procedure which consists of pulse generating, count timing and data processing.The electric circuit of hardware, the reasons to select these components and devices and the related program block diagrams are introduced.This...

To overcome the defects of mechanical speedometer ,the author has designed an electronic speedometer which is constructed with Hall electronic device 3031T IC,MCS-8051 single chip microcomputer ,optoisolator 4N37,comparator LM311,LED VDU etc .The paper,fully details its basic design principle and procedure which consists of pulse generating, count timing and data processing.The electric circuit of hardware, the reasons to select these components and devices and the related program block diagrams are introduced.This kind of electronic speedometer is chiefly characterized by real time speed detecting and indicating ,sensitive and accurate measuring of speed ,clear and object displaying and simple in structure .Furthermore ,its accuracy and sensitivity of speed measuring can be adjusted by selecting the Hall electronic devices which have different amount of pairs of magnet steel and by setting different original volume to timing count .So it can be used in many different occasions to measure speed with different needs in accuracy and sensitivity .And it particularly applies to such vehicles as those with rear engines and transmissions far away from the drivers' cab .

针对机械式车速表的缺馅,设计了由霍尔器件3031T、光隔离器4N37、比较器LM311、发光二极管显示器、MCS-8051单片机等构成的电子车速表文中详细介绍了它的基本设计原理及脉冲信号的产生、定时计数、速度数据处理、车速显示等基本操作过程,同时还提供了具体的硬件电路图、元器件选用说明,及有关程序框图这种电子车速表具有实时测速、反应灵敏、测速精度高、显示清晰直观、结构简洁、成本较低等特点,且测速精度及灵敏度是可调的,这可通过选用具有不同磁钢对数的霍尔器件及通过设置不同定时记数的时间常数来实现,因而可以满足不同测速场合下的精度及灵敏度要求特别适合于发动机后置、变速箱离驾驶室较远的场合

The article analyzes two faults in DC-timing-system of hoist,presents the importance of routine maintenance on measure of speed dynamo,and puts forward proposals about maintenance.

本文通过对两起提升机直流调速系统故障的分析,阐述了测速发电机日常维护的重要性,并对如何维护提出建议。

With the analysis of the principium of motorbicycle's speed sensor, the establishment and software solving of speed algorithm and the measure of speed display's interfercnce-freement, this text gives out a precept of the speed display of digital display motorbicycle instrument panel which is based on the MCU control.

通过对摩托车速度传感器原理、速度算法的建立及软件实现、速度显示的抗干扰措施等诸方面的分析,给出了一种基于单片机控制的数显式摩托车仪表盘速度显示的实现方案。

 
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