This article presents a digital type electromagnetic radiation measurement system along with its schematic circuit diagram, high speed discrete data sampling method and FFT calculation methods.
本文详细介绍电磁辐射数字化测量系统，给出了电路原理图，离散化数据高速采样方法及FFT计算方法。
There are many methods to measurement the flying attitude, such as solar attitude angle sensor, high-speed photography and geomagnetic field sensor.
飞行体的姿态测试方法有许多种，如太阳方位角传感器遥测、高速摄影法、地磁传感器等。
Two methods for high speed correction are presented for area measurement and the difference between them is discussed.
针对面积测量，介绍了两种快速校正方法，并进行了比较。
Fourier transform profilometry is one of the most popular active 3d optical measurement methods, with the advantage of high accuracy and fast acquisition speed.
傅里叶变换轮廓术是属于主动式光学三维测量方法中的一种。其测量精度较高，且数据采集速度快。
High Accuracy digital speed measurement methods based on optical encoder were discussed in detail. Then it introduces the realization of this methods in the servo system.
详细论述了基于光电编码器的高精度的数字测速方法，及其在转台伺服系统中的实现。
High Accuracy digital speed measurement methods based on optical encoder were discussed in detail. Then it introduces the realization of this methods in the servo system.
详细论述了基于光电编码器的高精度的数字测速方法，及其在转台伺服系统中的实现。
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