测量精度
- 网络accuracy;measuring accuracy;Measurement Accuracy;Precision
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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
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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
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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
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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
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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 .
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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 .
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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 .
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测量精度指标为±10mm。
The measuring accuracy index is ± 10 mm .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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 .
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目前测量精度达到毫米级。
At present , the measurement accuracy is mm level .
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巧用计算方法提高测量精度
Skillfully Use the Measuring Method & Improve the Measuring Accuracy
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提高电子计数器测量精度的方法
The Ways of Advancing Measure 's Precision of Electronic Calculator
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修正后的相对湿度测量精度达到±3%R。
The humidity measurement precision arrives at ± 3 % R.
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其测量精度已达到应用要求。
The measuring precision came up to the standard required .
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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 .
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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
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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
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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
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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