In order to measure azimuth Angle precisely, the inductosyn angular measurement system is designed and implemented.
为了实现对方位角的精确测量，设计并实现了圆感应同步器方位测角系统。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
In combining cantilever control with angular measurement and using the measured angular values as feedback, a closed-loop displacement control system is formed together with a step motor.
将弦臂控制和角度测量结合在一起，以测得的角度值作为反馈，和步进电机组成闭环位移控制系统。
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