Sine digital grating (computer generated grating) is acted as reference grating.
参考栅采用计算机绘制的正弦型数字栅。
Changing the phase of digital grating can realize Moire fringe scanning. The global center of beam pattern can be calculated by multi_frame scanning images.
改变该数字光栅的相位，可实现莫尔条纹扫描，用多幅扫描图像可算出光斑图像整体中心。
An image with intersection lines between grating planes and a known objective plane can be captured by a digital camera.
将光栅投影到已知目标平面，通过数字摄影得到光栅平面与目标平面相交的光栅图像。
A method of digital coding of grating by using color strips is presented.
研究了一种用彩色条纹对光栅进行数字编码的方法。
Grating digital geophone is designed based on that the grating measurement techniques are the characteristics of averaging-error effect, high precision and broad dynamic range.
光栅数字检波器是基于光栅测量技术具有误差平均效应、精度高、动态范围宽等特点而设计的。
The industrial grating signals can be digital frequency multiplication with a phase-locked loop (PLL) controlled by a microcomputer.
用微型计算机控制锁相环(PLL)可对计量光栅信号进行数字倍频。
The development of grating digital geophone enhances geophone precision and dynamic range.
光栅数字地震检波器的研制成功，提高了检波器的精度和动态范围。
Starting from analyzing the current situations of grating digital geophone, the paper analyzed in detail the principle of grating digital geophone and processing approaches of output signals.
本文从分析数字检波器的现状着手，对光栅数字检波器的原理及其输出信号的处理方法进行了详尽地分析。
The digital and grating instrument isanew kind of instrument for measurement of angle.
数字光栅测角仪是一种新型的角度计量仪器。
This paper reports a digital demodulation scheme for interrogating fiber Bragg grating (FBG) sensors based on a real-time calibration technique.
报道了一种采用实时校准技术的数字化光纤光栅传感解调方案。
Grating digital display Instrument is a kind of digital Instrument used in the precise measurement of linear displacement.
光栅数显表是一种用于精密测量直线位移的数字化仪表。
A kind of economical and practical digital measuring device for grating-scales has been built which is based on LG97L52 microprocessor.
基于LG97 L 52微处理器建立了一种经济实用的光栅数字测量装置。
A digital optical projector is used as the optical source, and the electrical grating is generated by computer.
实验系统光源采用数字光学投影仪，并用计算机生成电子光栅。
The photo electronic length measuring instrument consists of photo electronic sensors, measuring stands, grating digital displays and micro computer data processing.
光电测长系统由光电传感器测试头、样品工作台、台式光栅数显表和微机数据采集处理系统组成。
Because of the direct digital pulses output of grating sensor, the influence of different precisions of the devices to data quality is avoided, and the assemblage technology is simplified.
由于该传感器直接将地震的机械信号以脉冲数字信号输出，避免了器件精度不同对传感器输出数据质量的影响，简化了组装工艺。
This article introduces a new way which applies absolute zero position system of grating digital readout-instrument to measuring large diameter.
介绍了一种采用光栅数显装置的绝对零位系统进行大直径测量的新方法。
Grating digital readout-instrument in a kind of digital meter which is used to measure accurately straight-line displacement.
光栅数显表是一种用于精密测量直线位移量的数字化仪表。
In this paper, the operating principle and programming methods of a highspeed single chip microcomputer optical grating digital disply instrument developed by authors are introduced.
本文介绍高速单片机光栅数显表的工作原理及程序设计方法。
In this paper, the operating principle and programming methods of a highspeed single chip microcomputer optical grating digital disply instrument developed by authors are introduced.
本文介绍高速单片机光栅数显表的工作原理及程序设计方法。
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