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偏移误差
相关语句
  offset error
     Without a large number of precision reference voltages and with the consideration of matching problems, a BIST approach is proposed to test the parameters of DAC, which includes offset error, gain error, differential nonlinearity error, and integral nonlinearity error.
     利用所提出的测试架构测试并计算了DAC的四个静态参数:偏移误差、增益误差、差分非线性误差和积分非线性误差,使其测试的精度在0.20LSB以下。
短句来源
     By sampling two known reference voltages through two channels of an AD(Analog-to-Digital) converter,its gain and offset are calculated and then applied to the samples from other channels of this AD converter to lower the gain error and the offset error. The sampling error is less than 0.5 %.
     对模数转换(AD)采样结果进行校正,利用某AD的2个采样通道采样已知的2个参考电压,通过与准确值对比计算出增益和偏移,再校准该AD其他通道的采样数据,降低了增益误差和偏移误差,采样误差降低到0.5%以下。
短句来源
  migration error
     When the chosen continuation step Δτ is lower than 48 milliseconds,the image effect of migration is good,migration error being less than 1%.
     当选用的延拓步长Δτ<48毫秒时,偏移成像效果好,偏移误差小于1%;
短句来源
     The migration error caused by the dispersion is calculated.
     计算了波散引起的偏移误差
短句来源
     When Δτ is higher than 48 milliseconds,the image effect is not good,in which case,migration error increases with the increase of continuation step.
     当Δτ>48毫秒时,其成像效果变差,在此条件下,偏移误差随着延拓步长的增加而加大。
短句来源
  “偏移误差”译为未确定词的双语例句
     When error of the frequency and phase shift is 10-5,its stability is 0.05%.
     控制的频率和相位偏移误差均达到了10-5,稳定度达到了0.05%.
短句来源
     The bias error is nearly zero; random error and total error are both less than 0.02pixel by evaluated the synthetic particle image that have known displacement at 0-1pixel and 3-4pixel.
     利用已知位移分别为0-1pixel和3-4pixel的粒子图像,考查了各种算法计算结果的误差,本算法计算结果的基本偏移误差约等于零,随机误差和总体误差都小于0.02pixel。
短句来源
     The conduetionangle may be changed from 0°-180°, and the resolving power can reach 0.144°. In the three-phase trigger circuit, of all phase triggers, the largesterror of deviation is equivalent to 0.096°.
     触发角可在0—180°范围内变化,分辨率达0.144°,在三相触发电路中各相触发脉冲间最大偏移误差为0.096°。
短句来源
     The Compensation for the Doppler Spectrum Centroid Deviation of the SAR
     合成孔径雷达多普勒频谱偏移误差的补偿
短句来源
     The Influence of Central Space Error on the Profile Error and Follower's Movement Law in the Globodial Cam Machining
     弧面分度凸轮加工理论研究及凸轮体偏移误差对廓面误差影响的计算方法
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  相似匹配句对
     d. errors.
     d误差
短句来源
     The migration error caused by the dispersion is calculated.
     计算了波散引起的偏移误差
短句来源
     The Compensation for the Doppler Spectrum Centroid Deviation of the SAR
     合成孔径雷达多普勒频谱偏移误差的补偿
短句来源
     ERROR AND DATA PROCESSING
     误差和数据处理
短句来源
     Paralle f-k migration
     并联f-k偏移
短句来源
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  offset error
Clinically relevant parameters such as systolic, diastolic and mean pressure are reproduced with an offset error of less than 0.5 (0.3) mmHg and scatter less than 0.6 (0.1) mmHg.
      
Using an initial offset error of 1 rads-1, after 2 min the offset error was roughly 5% of the original offset error.
      
Offset error analysis of ball-end mill for cutter-path generation from point-based surfaces
      
An offset error compensation method for improving ANN accuracy when used for position control of precision machinery
      
This paper proposes an iterative approach and an offset error compensation method to improve the accuracy of the inverse kinematic solutions by using an ANN and a forward kinematic model of a robot.
      
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In this paper, the migration algorithm of the large dip wave equation in time-domain is given. The migration error caused by the dispersion is calculated. To mig-rate the synthetic and stacked seismic data with this algorithm proves effec-tive. Finally, some field examples in complex fault block region are presented.

本文给出了在时间域中的大倾角波动方程偏移算法。计算了波散引起的偏移误差。用这个算法偏移合成和叠加地震资料,取得了好的效果。最后还给出了复杂断块地区野外地震资料偏移的例子。

The lattice constant of silicon powder of high purity is measured with the conventional X-ray powder diffractometer. Both "single scan" method and the method of determining the peak position are used (without recourse to internal standard). The aim is to enhance the precision and accuracy of measurement. All errors are taken into consideration. On the basis of the analysis of the errors due to the displacement of the focal spot, the requirement for aligment are presented and the error is eliminated experimentally....

The lattice constant of silicon powder of high purity is measured with the conventional X-ray powder diffractometer. Both "single scan" method and the method of determining the peak position are used (without recourse to internal standard). The aim is to enhance the precision and accuracy of measurement. All errors are taken into consideration. On the basis of the analysis of the errors due to the displacement of the focal spot, the requirement for aligment are presented and the error is eliminated experimentally. The geometrical aberration due to vertical divergence is determined experimentally and so the problem of the correction of this kind of error is solved. Based on the experimental data the Lorentz physical aberration, and the like, associated with the method of determining the peak position are corrected. The standard deviation of the measured lattice constants in a number of experiments is 3 part in 106. The results obtained with the characteristic radiation of different targets have shown to agree well. Due to the correction of the above errors, the accuracy is enhanced significantly and the discrepancy between the values of lattice constants measured with monocrystals and polycrystals is eliminated respectively. The results have shown that the lattice constant of the well crystallized specimen of high crystal symmetry can be determined by "single scan" method and peak position method with conventional diffractometer with a precision and accuracy of 4 part in 106.

以普通粉末衍射仪用单边法并峰值定位法(不借助内标)测定高纯硅粉的点阵常数,目的是提高测定的精确度和准确度。考虑了各种误差。对焦点偏移误差进行了分析、确定了准直的要求并以实验方法消除了此误差。用实验方法测定了衍射峰位的垂直发散几何偏差从而解决了此误差的校正问题。对峰值法的Lorentz等物理偏差进行了以实验数据为根据的校核。多次点阵常数测定值的标准误差仅为百万分之三,达到了高精确度。用不同靶的特征谱线对这一结果进行了验证,结果良好。因解决了上述误差的校正问题,准确度也达到相应水平,因而解决了单晶法与多晶法测定硅点阵常数不符的问题。分析及实验数据说明用普通衍射仪并单边峰值定位法测定结晶良好的高对称晶系样品的点阵常数,其精确度和准确度可达百万分之四。

This paper proposed to estimate the dynamic error of measuring instruments on the basis of its theory of dynamic performance. The bias errors, repeatability errors and inaccuracies of the instruments for measuring geometrical or mechanical quantities are used to estimate its dynamic error.This paper provides calculating method and examples. The method is available for other automatic instruments also.

本文在仪器仪表动态特性理论基础上,提出几何量机械量量仪在动态测量时,应用动态量仪的偏移误差、重复性误差和不确定度来评定其动态误差,给出了这三个精度指标的计算方法和计算实例。这种动态误差评定方法原则上适用于其它物理量自动测量仪表。

 
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