配以单片机、键盘、LED显示器及转速编码器，构成闭环调速系统。经过实际测试，取得了很好的效果。
The speed adjusting system consisting of SCC, KB, LED display and speed coder is tested and excellent performance is achieved.
标准编码器分辨率为2048转速每行。
为了满足某些运动系统对转速测量高精度的要求，本文提出了虚拟编码器的设计方法。
In order to satisfy the requirement of high accuracy rotation speed measurement in moving systems, the concept of virtual coder has been put forward.
该编码器可作为较高精度的位移、计数或转速传感器，输出稳定且环境适应性明显优于常规编码器。
The designed encoder is used as a sensor of displacement or counting or rotatory speed with better precision, steady_going output and applicability of environment.
介绍了利用编码器实现送丝电机转速的数字反馈转速控制调速系统。
Making use of wire feed motor with encoder, a digital wire feeder system based on speed feedback of rotation speed with encoder of wire feed motor.
从而取得在不同转速、不同位置、不同通讯速率下的误差曲线，进而直观地认识容栅编码器的静态和动态精度。
According to different rotatable velocity, location, communication velocity, I draw the error curves to give a concrete description of grating-shape capacitive coder dynamic and static precision.
旋转编码器转换成机械和工业PC输入成电子信号，控制器可处理的计数器，转速表，可编程逻辑。
Rotary encoders convert a mechanical input into electrical signals, which can be processed by counters, tachometers, programmable logic controllers and industrial PCs.
详细分析了周期测、频率法利用编码器脉冲计算超低转速时的分辨率及绝对误差，给出了影响转速测量的影响因素。
The resolution and error were analyzed based on frequency measurement and period measurement, and the factors were given that influencing the speed measurements.
在8500转速表提供高性能的分辨率高达每转1200脉冲，远高于传统编码器高。
The 8500 high performance tachometer provides resolutions up to 1200 pulses per revolution, which is much higher than traditional encoders.
在8500转速表提供高性能的分辨率高达每转1200脉冲，远高于传统编码器高。
The 8500 high performance tachometer provides resolutions up to 1200 pulses per revolution, which is much higher than traditional encoders.
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