phase measurement

A simple phase measurement technique of high resolution, the secondary mixing, is presented.

给出一种可用于纳米精度测量的二次混频测相技术, 着重设计了其中的频率合成器.

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Then the paper presents a phase measurement method of frequency shifting based on multiple spectral bands.

并提出了一种多谱段分色频移相位测量方法,给出了测量原理和精度的分析.

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The key problems of GPS carrier phase measurement are how to solve the integer ambiguity of GPS carrier and how to detect and compensate the cycle slip of GPS carrier in the period of navigation process.

载波相位测量定位的关键问题是如何确定整周模糊度和周跳的探测和修复。

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Realizing optical phase measurement of big scale object with the liquid-crystal light valve

用液晶光阀实现大尺寸物体光学三维轮廓测量

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Realization of High Frequency's Phase Measurement by Sampling Numerical Method

高频鉴相的取样数值法实现

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Profilometry for phase measurement with non-integral times twin-frequency grating is proposed, lowering the errors transferring during phase-unwrapping. The simulating experiment compared with integral times twin-frequency grating shows that the measuring precision is improved.

提出了采用非整数倍双频光栅投影的相位测量轮廓术，减小在相位展开过程中误差的传递，与采用整数倍双频光栅投影测量进行了模拟对比实验，表明测量精度得到了提高。

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The principle of the transformer phase measurement by the improved I-Q demodulation algorithm is discussed. The flow chart to process signals and the error in measurement are analyzed. The emulation research with Matlab is carried out.

讨论了利用改进的I-Q解调法进行变压器相位检测的原理，对实际信号处理流程和测量误差进行了分析，并采用Matlab进行了仿真研究。

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A symmetrical common-path heterodyne interferometry is proposed traverse Zeeman laser and a high-speed phase measurement technology.

提出了一种对称共路双频外差干涉测量硬盘磁头飞行高度的方法,用于在线检测磁头飞行高度瞬态调制变化.

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Analysis and Treatment of Errors in Phase Measurement of FMCW Radar

FMCW雷达相位测量误差分析及抑制方法

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Of the different shape measurement methods and the phase analysis techniques, optical profilometry for the diffused reflection objects can be classified into two groups, namely direct triangulation and grating projection phase measurement method.

对于漫反射物体的轮廓测量的光学投影式轮廓测量技术，根据不同的测量方法和条纹图像分析技术可以大致分为两种：直接三角法和相位测量法。

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Ambiguity Solution Methods in GPS/ GLONASS Carrier Phase Measurement

GPS/GLONASS载波相位测量模糊度解算方法

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Study on modeling of time series analysis for GPS carrier phase measurement data

GPS载波相位测量数据的时间序列分析建模研究

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An Application of GPS Carrier Phase Measurement

GPS载波相位测量的一种应用

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Accurate carrier phase measurement is an important research direction in precise ranging.

精确的载波相位测量是精密测距中一个很重要的研究点。

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