1室内空气中VOC全采样多项快速检测技术研究_电子资料文库 关键词:虚拟仪器技术;相位差;功能模块;数字相位计 [gap=784]Key words:Virtual instrument technology;Phase difference;Function module;Digital phasemeter
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阐述了精密数字测相的方法，给出了一个自动数字相位计电路及其在精密光电测距中的应用。
A precise digital phase-measuring method was expounded, and a circuit of the digital phase measurement was given. The application of the circuit in electronic distance measurement was also presented.
本文介绍了应用于激光相位式测距中的一种数字相位计的实现方法，该方法是基于DSP器件运用FFT算法完成的。
A way of digital phase detector applied to the laser phase distance measurement system is introduced in this paper, which is based on DSPs and FFT algorithm.
相位计采用数字信号处理技术，可以有效地实现相位差的高精度测量。
The technique of digital signal processing(DSP) has been found to be an effective tool in phase measurement.
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