The tachometer registers a rather high 3,000 rpm at 70 mph.
转速计在时速70英里时显示每分钟高达3000转。
To make an rpm-drop test, a tachometer is needed .
做每分钟转速下降试验时，需要一个转速表。
Based on this method, a digital tachometer design for aero engine was introduced.
在这个基础上，介绍了一种航空发动机数字转速表设计。
An electrical tachometer receives voltage pulses from the ignition system, usually the coil.
电器转速表从点火系统中接受电压脉冲，通常是线圈。
Aircraft equipment. on board instrument with round dials, mechanical transmission tachometer.
飞机设备。圆刻度盘机载仪表。机械传动式转速表。
Aircraft equipment. On board instrument with round dials, mechanical transmission tachometer.
航空器材。圆盘式机载仪表。机械传动式转速表。
Estimate of angular velocity is used as the state feedback to replace the expensive gyro and tachometer generator.
用角速度估计值作状态反馈可以代替价格昂贵的速度陀螺仪和测速电机。
The experiment shows that the tachometer has a good performance of measuring low rotation speed as well as high rotation speed.
测试结果表明，转速计在高转速和低转速场合都具有较好的性能。
I mainly produce braking unit, braking resistor, torque motor controller, inverter panel extension cables, tachometer, counters.
我部主要生产制动单元、制动电阻、力矩电机控制器、变频器面板延长电缆、转速表、计数器。
An algorithm of unoscillation spot is given by example, and a practical method of tachometer generator installation is presented as well.
用实例给出了无振荡结点的位置求法，同时还介绍了测速电机的切实可行的安装方法。
The transfer function of servo system and the effects of the tachometer generator's position on the stability of servo system are analyzed.
本文对伺服系统的传递函数作了分析，并探讨了测速电机位置配置对伺服系统的影响。
Automatic gauge control system in double-stand reversing cold mill is introduced. This system is consists of regulating device, thickness gauge and tachometer.
介绍了双机架可逆式冷轧机组厚度自动控制系统，该系统由调节装置、测厚仪和测速仪组成。
The model test tried on this system did not use the tachometer generator but used rotor electromotive force instead to form the speed negative feed-back system.
本绕线式电动机转子电路脉冲调速系统模拟试验，省去了测速发电机，而利用转子电势组成速度负反馈系统。
A tester was designed by using processor MCS-51 on the basis of analyzing the working characteristic and testing demand of aeronautic tachometer on the aircraft.
在分析航空转速表的工作特点和检测要求的基础上，提出了运用MCS-51单片机技术，检测飞机转速表的检测仪设计方案。
The paper introduces a program of high-accuracy digital tachometer based on AT89C52 SCM, and presents the diagram of applied circuit principle and software design.
本文介绍了一种基于AT 89 C52单片机的高精度数字转速计的实现方案。给出了硬件电路原理图和软件设计。
In general, tachometer generators are eliminated in the small and medium power DC rotating speed governing systems, and armature voltage is used as motor speed signal.
在中小型直流调速系统中，一般都取消了测速发电机，而以电枢电压作为电机转速信号。
A novel miniature tachometer using polarized light detection is presented in this paper, in order to improve current methods of measuring miniature components' rotation speed.
针对现有的微型部件的转速测量方法的局限性，提出了一种基于偏振光检测的微型转速计的设计方案和相应的装置。
To demonstrate the effectiveness of the proposed method, an active fault tolerant controller is designed for a double inverted pendulum system with a fault in the motor tachometer loop.
为了验证所提出的主动容错策略的有效性，针对两级倒立摆系统中的电机测速回路故障问题，设计了主动容错控制器。
Motor has thermo-elements to monitor temperature, electronic tachometer and high pressure oil jacking device when needed. The excitation device currently uses micro- computer control device.
电机带有测温元件以监控温度，还带有电子测速装置、需要时可带高压油顶起装置。
The tachometer so designed and developed excels in its simple hardware circuit, wide range tachometric survey, high rate accuracy, and high resolution power as compared with conventional tachometers.
该测速仪具有硬件电路简单，测速范围、测量精度及分辨力均高于目前转速表等优点。
Total Station Optical Electronie Tachometer widely applied in civil engineering surveying.
全站仪已广泛用于土木工程测量实践中。
TACHOMETER generator, a small electric generator for supplying current at a frequency proportional to the speed of rotation.
测速发电机，提供频率与转速成比例的电流的小发电机。
TACHOMETER generator, a small electric generator for supplying current at a frequency proportional to the speed of rotation.
测速发电机，提供频率与转速成比例的电流的小发电机。
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