Trent reverse reflection device is adopted to offset the effect caused by beat and cross sliding during displacement or vibration and to enhance measurement sensitivity and accuracy nearly one time.
采用特伦逆向反射装置，消除它在位移或振动过程中因偏摆或横移所带来的影响，使测量灵敏度和精度提高约一倍。
The range measurement of the FMCW radar is based on the estimation of the frequency of the beat-note signal.
为了提高FMCW雷达的距离测量精度，提出了一种基于差拍信号相位的距离估计方法。
To improve the range measurement accuracy a range estimation method for FMCW level radar based on the phase of the FFT of the beat-note signal is presented.
为了提高FMCW雷达的距离测量精度，提出了一种基于差拍信号相位的距离估计方法。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
A remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
研究了利用运动光栅的多普勒效应进行切向位移的遥测技术。
A remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
研究了利用运动光栅的多普勒效应进行切向位移的遥测技术。
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