测量精度

利用灰度图提高Fourier变换轮廓术的测量精度

Improvement for Measuring Accuracy of Fourier Transform Profilometry with Gray Image

条带式CCD摄影经纬仪测量精度分析

Measurement Accuracy Analysis of CCD Photo theodolite With Long Narrow Photosensitive Surface

影响斜探头K值测量精度的因素

The factors affecting the measuring precision of K value of angle probe

苏通大桥跨江EDM三角高程测量精度的研究

The Research of EDM Trigonometric Leveling of Crossing the River in Su-Tong Bridge

建立GPS高程多面函数拟合模型，其平滑因子是否合适，对GPS水准高程测量精度将产生重要影响。

Whether the smooth factor of the multiquadric function fit model are built properly has great effects on the elevation precision of GPS leveling .

结合应用实践，论述了差分GPS在导弹火控系统精度试验中的应用方法、测量精度及其发展前景。

Applied method and measurement accuracy of difference GPS technology on missile fire control system and its development prospect are introduced based on applied practice .

然而由于电网频率的波动，实际上一个周期内的采样点数N是随频率的变化而变化的，因此必然存在同步偏差，影响测量精度。

As the variations of the signal frequency , the real number of samples in one cycle changes with the fluctuation of signal frequency which will lead to sampling synchronous deviation .

测量精度指标为±10mm。

The measuring accuracy index is ± 10 mm .

并选用低噪声、低功耗的12位同步采样AD转换芯片进行采集电路设计，既保证了系统的信噪比，又提高了系统测量精度。

Secondly , the system has a good SNR and high accuracy , which is own to the application of low noise , low-power , simultaneous sampling 12-bit A / D converter .

并进一步通过采用DSP处理器并应用嵌入式设计方法，设计了该类型倾斜传感器的小型化原型，从而显著地提高了测量精度和应用的灵活性，克服了传统仪表的不足。

Then , the slope sensor prototype of small size and intelligence is designed by utilizing embedded methodology and DSP processor , which highly improves the measuring accuracy and flexibility of application and overcome the insufficiency .

利用MATLAB强大便捷的科学计算功能，引入多项式拟合法处理牛顿环实验数据，提高了实验的测量精度，拓展了测量范围；

This paper stated , by using MATLAB languages powerful and convenient computer calculation , polynomial fitting method could be adopted to process the data in Newton halos experiment , to raise the accuracy and expand the scope of measurement .

论文分析了随机干扰的影响问题，提出局部线性化方法估算频率受扰情况，再经过频率的IIR（AR）滤波后，获得较高的测量精度。

Combining with a Partial-Linearized Estimating method , it can estimate the error degree of disturbed signal frequency , and an IER ( AR ) filter can be used in a further frequency processing to improve accuracy .

利用高分辨率面阵CCD，提出一种新的散射均匀光场照明的方法，通过边缘检测，像素细分技术使测量精度突破像素级限制，实测精度为0.01mm。

This paper uses high resolution area CCD , provides a new lighting method of scattering and uniformity , through edge detection and pixel subdivision technique , raises the accuracy of measurement that is usually limited in one pixel to 0.01 mm in practical measurement .

指出系统频率测量精度是PMU相量测量精度的关键，而且频率测量偏差造成的相位影响远高于幅值影响。

The accuracy of phasor measuring is determined by that of system frequency measuring , and the frequency deviation will give more influence to the phasor computing than to the amplitude of DFT .

针对微型钻头生产批量大、被测尺寸小、测量精度高的特点，研究出一套激光自动测量系统。该系统包括激光测量、CPU数据处理、PLC控制3大部分。

Considering the peculiarities of microdrills , such as large batch production , small dimensions and high accuracy , this article deals with the development of an automatic laser measurement system , which consists of the laser measurement , CPU for data processing and PLC-based control unit .

光学计量仪器，如万能工具显微镜（UTM），分度头等，具有应用广泛、测量精度高、稳定性好等优点，广泛应用于测量领域。

As traditional optical metrological instrument , UTM ( universal tools microscope ) is high accuracy and stable . It was widely used in precise measurement .

采用Unscented卡尔曼滤波算法，对紫外敏感器测量精度、姿态误差、部分轨道参数以及地球模型对导航精度的影响进行了仿真验证。

Simulation is taken using the unscented Kalman filter to validate the effect of the ultraviolet sensor measurement precision , attitude error , certain orbit parameters and the model of earth shape on navigation precision .

磁场产生的拍频的测量精度可达到2×10~（-5）±1Hz，1秒钟采样时激光频率稳定度可达到5×10~（-9）。

An accuracy of 2 × 10-5 ± 1 Hz in the measurement of beat frequency arisen from a magnetic field and a laser frequency stability of 5 × 10-9 for an averaging time of 1 sec were obtained .

光电测距仪短距测量精度的实验性评价

The appraisal on short distance measurement accuracy of EDM by test

该方法消除了噪声对测量精度的影响。

This method eliminates the noise effect on precision of measurement .

目前测量精度达到毫米级。

At present , the measurement accuracy is mm level .

巧用计算方法提高测量精度

Skillfully Use the Measuring Method & Improve the Measuring Accuracy

提高电子计数器测量精度的方法

The Ways of Advancing Measure 's Precision of Electronic Calculator

修正后的相对湿度测量精度达到±3%R。

The humidity measurement precision arrives at ± 3 % R.

其测量精度已达到应用要求。

The measuring precision came up to the standard required .

热线的方向系数对湍流测量精度很有大的影响。

The directional sensitivity of hot-wire effects the measurement accuracy .

建筑工程施工平面控制测量精度的确定和实现

Determination and Realization of horizontal control survey precision for building engineering construction

一种改善温控系统测量精度的方法

A Method for Improving the Precision for Temperature Controlling System

提高智能转速测量精度的一种有效方法

An Affective Method of Improving Accuracy of Intelligent Measurement of Rotational Speed

论多步法误差分离技术的测量精度

Measuring Accuracy of Errors Separation Technique by Using Multistep Method