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角误差     
相关语句
  angle error
     it sees the angle error of the azimuth,elevation and roll is less than: 1.3,0.5,0.5 through rolling test.
     对系统进行摇摆试验测得方位角误差小于1.3°,俯仰角和横摇角误差小于0.5°;
短句来源
     When the signal of GPS is lost for five minutes, the position error is about 1400 meters, its velocity error is about 15m/s and its attitude angle error is about 10 degree.
     在GPS信号丢失5分钟时,位置误差大约为1400米,速度误差大约为15米/秒,姿态角误差大约为10度。
短句来源
     Accuracy and Methods of i Angle Error Inspection of Precision Level
     精密水准仪i角误差检验的方法及精度比较
短句来源
     Simulation to Angle Error of Target Measured by Radar
     雷达测定目标角误差仿真
短句来源
     Automatic Prism Angle Error Measurement
     棱镜角误差测试的自动化
短句来源
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  angular error
     Application of Digital Correction in Angular Error Measurement
     数字校正在角误差测量中的应用
短句来源
     New Measuring Method for precision Axes Angular Error Motion
     测量精密轴系角误差运动的新方法
短句来源
     The Technique for Extracting Angular Error ofMultitargets in a Beam and Its Accuracy Analysis
     同一波束内多目标角误差信息提取技术及其精度分析
短句来源
     An Angular Error Signal Generator Circuit for A Testset
     用于某测试台的角误差信号产生电路
短句来源
     Angular calibration of radar antenna system is composed of the calibration of angular error sensitivities (also called directional sensitivity), adjustment of cross-coupling of azimuth and elevation signals, and the calibrations of system errors such as antenna axial system error, dynamic delay and so on.
     雷达系统天线的角度标校包括对系统角误差灵敏度(又称定向灵敏度)的标定、方位俯仰信号交叉耦合的调整以及对天线轴系误差、动态滞后等系统误差的标定。
短句来源
更多       
  angle errors
     Effect of Helix Angle Errors on Transmission Error of Double Circle Arc Helical Gears
     双圆弧齿轮的螺旋角误差对其传动误差的影响分析
短句来源
     Compensation of Setting Angle Errors of Sensors in Error Separation Technique
     误差分离技术中传感器安装角误差补偿的研究
短句来源
     Machine tools and coordinate measurement machine (CMM) with rectangular coordinate system have 21 items of geometric errors, 18 of which are measured by ready-made interferometer, the rest 3 items rolling angle errors are the most difficult parameter to be measured.
     基于直角坐标系统的机床或测量机共有21项结构误差,其中18项误差可以用现成的干涉仪测量,另外3项滚转角误差是最难测量的参数。
短句来源
     The relative spiral angle and pressure angle errors were defined and introduced into the evaluation of the teeth mating precision,which had been carried out by the measurements of teeth form and pitch errors.
     通过引入相对螺旋角误差与相对压力角误差的概念,对齿形与齿距误差进行了测量,从而评价了轮齿研齿前后的实际啮合精度。
短句来源
     Simulation results show that, under the condition of big initial errors, after 360 seconds' alignment on moving base, the attitude angle errors of IMU can be decreased to no more than 10 angles second, and the position and velocity errors had been corrected effectively. So the alignment algorithm on moving base is proved to be effective.
     仿真结果表明,在初始误差较大的情况下,经过360秒的动基座对准,IMU的姿态角误差可降至10个角秒,同时位置和速度误差也得到了有效修正,从而证明该动基座对准算法是行之有效的。
短句来源
更多       
  i angle error
     Accuracy and Methods of i Angle Error Inspection of Precision Level
     精密水准仪i角误差检验的方法及精度比较
短句来源
     The thesis discussed three methods of i angle error (angle between colhmating and level axis inspection. Compared the practical measurements of the methods ,merits ,and defects and accuracy of the methods are obtained. It's useful for i angle error inspection.
     因此,快速而又精确地测定每台仪器的i角值是人们必须研究的一个课题。 本文通过三种测定i角误差方法的讨论,并经实测应用比较,得出各种检验方法的优缺点及精度状况,为进一步深入了解i角误差对观测成果的影响及i角误差实测时提供有益的帮助。
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  angle error
The angle error estimate method in the wide swath SAR basing on multi-receiver
      
The estimated angle has error because of the atmosphere refraction, angle error of view and target height.
      
A method is proposed in this paper to estimate the angle error from the return signal.
      
The method makes use of the relationship between the view angle error and the signal correlation of the subswaths to estimate the angle error.
      
Although the course angle error is improved to some extent through Kalman filtering, the course angle still assumes a divergent trend.
      
更多          
  angular error
In addition, the interception accuracy increased when the target travel time was above the MPT, and the angular error was smaller in RM than in AM.
      
After local load to the knee muscles, a significant increase of absolute angular error was observed (2.56°).
      
The angular error of the system is small (1.3°), the reproducibility is high (0.2°), and the inherent angular noise is small (0.04°) and independent of the orientation of the device.
      
Extensive experiments on real and simulated motions proved the reliability (maximum angular error less than 1o, maximum point reconstruction less than 1mm) of the developed system, which is robust to false matching caused by marker occlusions.
      
If the extrapolative transducer is well designed, the amplitude error can be reduced to 2-3% and the angular error to 30-40'.
      
更多          
  angular divergence
A decreased angular divergence or increased ultimate ion-beam current density is achieved by a change in the potential drop in the space charge sheath between the plasma and the ion optics.
      
It is demonstrated that ultrathin beams with an effective cross sectionh?100 nm and an angular divergence Δ??2' below the diffraction limit can be obtained.
      
The beam intensity, angular divergence, and spot size on the target should be at least 5 × 106protons per cycle, below 2.5 mrad, and no larger than 10 (horizontal) and 14 (vertical) mm, respectively.
      
It is shown that the beam width increases as the square root of the path length in an anisotropic medium, whereas the angular divergence varies in inverse proportion to the square root of the path length.
      
With account of the absence of deformation in the lowest mode due to selection, this implies that resonators containing dichroic media (including photon crystals) are promising for reducing the angular divergence of laser beams.
      
更多          
  angle errors
Measurement of Dihedral Angle Errors of a Large-Aperture Space Retroreflector: Separation of the Effect of Sag Due to Gravity
      
Since assembly apparatus errors can be calculated using the same methodology, one can predict the relative position and angle errors between two parts about to be mated.
      
The full ≈24 ppm shielding range is reproduced (overall r.m.s.d.=1.4 ppm) using 'optimized' protein structures, corrected for bond-length/bond-angle errors, and rovibrational effects.
      
Effects of Polar-Angle Errors in Imaged Helioseismology
      
Measuring Polar-Angle Errors in Imaged Helioseismology
      
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