The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
In the course of satellite-borne GPS carrier phase measurement, cycle-slip detection and repair plays a very important role in the GPS station precision.
在星载GPS载波相位测量中，周跳的探测与修复对最后的定位精度起着至关重要的作用。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，由于对目标速度测量精度的要求很高，因此目标多普勒频率测量电路的设计也具有比较重要的地位。
A method using cubic-spline interpolation to process correlation peaks was proposed to improve the precision of BOC-modulated signal PN code phase measurement.
提出了利用三次样条插值法，处理BOC调制信号相关谱主峰及副峰的数据，以提高相位测量精度的算法。
Carrier phase measurement is a measuring method of the highest precision at present. So, GPS carrier phase measurement integrated with INS can get high precision navigation system.
载波相位测量是目前测量精度最高的测量方法，所以载波相位差分gps同惯导组合能获得高精度的导航系统。
Establishing high precision phase-height mapping is one of the key techniques in structural light measurement system.
建立高精度的相位-高度映射关系是结构光测量技术中的关键技术之一。
The measurement is made by the method of phase laser fangerfinding which can obtain high precision.
该系统采用相位法激光测距原理，具有较高测量精度。
The error of phase synchronization among the three synchronizations will affect the phase error of SAR SLC image directly, and influence the elevation measurement precision sequentially.
三大同步中，相位同步误差直接影响SAR复影像的相位误差，从而影响系统的高程测量精度。
It is a simple principle and higher measurement precision without complicated phase unwrapping and calibration procession, and can be used to measure the discontinuous and spatial isolation shape.
且原理简单，测量精度高，不需要复杂的相位展开和校准过程，特别适用于测量突变面形和空间离散面形。
The system adopts digital phase-shifting and fringe projection techniques and its measurement has advantages of non-contact, the whole field, higher precision, and quite high speed.
该系统采用了数字相移条纹投影技术，测量具有非接触、全场、精度较高及快速等优点。
As a result, the lidar distance measurement system we have developed with a DSP phase detector has a precision of 3 millimeters in the measuring range of 2 kilometers.
为了提高红外激光雷达测距系统的测量精度和可靠性，设计并实现了基于高速模数转换器和数字信号处理（DSP）技术的DSP鉴相器。
The paper also analyses in detail main factors which influence the precision of phase measurement and come up with the methods of improving the precision of phase measurement.
本文最后还对影响相位测量精确度的主要因素进行了深入细致的分析和研究，提出了提高相位测量精确度的方法。
Phase shift error is inevitable in the course of getting modulation value of 3-d measurement with phase shifting technology, and then decreases measurement precision.
通过相移技术获取调制度值的调制度三维测量法，不可避免地存在相移误差，从而降低测量精度。
Phase shifting interferometry has been commonly applied as a high precision method in profile measurement.
相移干涉技术是表面轮廓测量领域中得到了广泛应用的可实现高精度测量的技术方法。
The precision and affecting factors of phase difference measurement are analyzed.
分析了检测精度和影响精度的因素。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
本文从提高科里奥利质量流量计的灵敏度着手，提出了一种新的管形设计方案，还采用了基于数字信号处理的测量方法来测量相位差。
In morie strip division, the phase error between two signals will affect the measurement precision.
在实施莫尔条纹细分中，两路信号的相位误差将影响计量光栅的测量位移时的精度。
The invention discloses a high-precision absolute distance measurement system based on an interferometric phase comparison method, belonging to the technical field of precision measurement.
本发明公开了一种基于干涉相位比较法的高精度绝对距离测量系统，属于精密测量技术领域。
The apparatus of digital laser phase distance measurement by using the technique is reliable and easy to operate and carry. Especially the precision of phase is less than 1/1000 degree.
使用该技术研制的数字激光相位测距仪具有操作简便、携带方便、性能可靠的特点，测相精度优于千分之一。
The phase-shifting method which is used in ESSPI can improve the precision of the measurement greatly. So the phase-shifting method is used in Non Destructive Testing widely.
而在ESSPI的定量测量中应用相移技术，可以使测量精度大为提高，因此被广泛用于无损检测领域。
The experimental results show that the phase measurement system by using 3 lines CCD has high application values for its high precision and speed.
实验结果表明，本文提出的三线阵c CD相位测量系统具有较高的测量精度和测量速度，有很高的实用价值。
This thesis focuses on the influences of the amplitude and phase of Raman pulses on the measurement precision of the atom interferometers.
在原子干涉仪的研究中，精度分析是其一个重要组成部分。
This thesis focuses on the influences of the amplitude and phase of Raman pulses on the measurement precision of the atom interferometers.
在原子干涉仪的研究中，精度分析是其一个重要组成部分。
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