CCD测光观测中积分时间的选取,对测光结果的误差大小有很大影响。
Integration time is important to error of photometrical results in CCD photometric and observation.
截面最小二乘圆心在绝对坐标系内的位置是影响圆柱度形状误差大小的重要因素。
The position of the least square center for a cross section in the absolute coordinate system is an important factor that affects cylindrical form errors.
本文用极坐标法放样,讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
测验信息量是项目反应理论中的一个重要概念,它可以用来预测和评价一个测验的误差大小。
The test information is an important concept in the Item Response Theory. It could be used to predict and evaluate the quality of one test.
本文用极坐标法放样,讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。收藏。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
影响抽样误差大小有很多因素,如标志变异程度,样本单位数量的多少,抽样方式方法的选择等。
There are many factors that influence the sampling error, such as, extent of mark variation, amount of sample unit and the choice of sampling method, etc.
采用残余误差观察法观察残差图中各个残余误差大小和符号变化规律,可直接判断有无系统误差。
Big and small of residual error and rule of sign change was observed with inspection method of residual error, and if it had system error or rough error and so on was identified.
传感器是列车测速仪的取样部分,而作为取样的传感器,其误差大小直接影响到列车测速仪测速的准确程度。
The sensor is the sample part of the train speed indicator. Being used for getting samples, the error of the sensor affects the accuracy of the result from the train speed indicator directly.
本文对光电测距仪进行公路曲线测设的误差大小作了分析,并结合公路曲线测设的允许误差进行分析对比,提出了控制置镜点到测点的距离以达到测设精度要求。
In this paper, the error of light-electric range finder in highway curve survey is analysed. The control distance between two survey station is presented so as to control the precision.
科学家发现,它们是如此的圆,以至于,如果将其尺寸放大到太阳系大小,它仍将是一个误差不超过头发丝粗细的圆。
Scientists found that they are so round that if it was magnified to the size of the solar system, it would still appear spherical to within the width of a human hair.
记录仪动态准确度的测量最好通过记录试验过程中的误差信号大小来实现。
Recorder in the process of dynamic measurement accuracy by record test best size of the error signal.
变异性中占比例最大的设备误差是血压计袖套的大小。
The instrument error that contributes to the greatest variability is the cuff size of the sphygmomanometer.
利用牛顿迭代法对其进行了全面的分析,发现了时间步长的选取与网格、色散误差的大小有一定的联系。
It analyses the relation by Newton's iteration method, which shows the select of the time step has a relation with the mesh size and dispersion error.
动态滞后误差的大小不但与跟踪系统有关,还与目标运动特性有关。
The amount of the dynamic lag errors not only is concerned with the tracking system, but also concerned with the moving characteristics of target.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
传统的方法完全靠经验公式和经验来决定动力大小,误差较大。
Conventional method completely depend on experience formula, its error is big.
在这五种参数模型中,MVG模型的误差最大,不能精确描述封丘地区壤土类土壤的颗粒大小分布。
The two-parameter MVG model yields the largest errors among the five models, and therefore is not suitable for describing soil particle-size distributions in Fengqiu area.
分析了相对测量法量块测量过程中误差的来源和大小。
The paper gives an analysis on the source and size of measurement error of gauge block by relative measuring method.
利用方差分析的方法分析计算误差与界址点点数、宗地面积大小间的关系。
Also, by using variance analysis, the relation of calculation error to the number of parcel corner points and the size of parcel area is analysed.
证明了新的控制器一方面保证了运动的完全跟踪,另一方面保证了力跟踪误差是有界的且界的大小是可以调节的。
It is proven that the new controller can guarantee the perfect motion tracking. On the other hand, the force tracking error is bounded with the bound being adjustable.
建议在外周血管血流定量检查时,正确选用SV大小,以便减小测量误差。
As quantitative bind now measurement was in peripheral vessels by pulsed Doppler ultrasound, SV size was selected selected for decreasing measurement error.
通过计算机模拟,考查了数据误差和总观察角大小对重建精度的影响。
Using computer simulation method, the influences of the imput data errors and the sizes of the total viewing angles on the reconstruction precision of these methods have been investigated.
齿面误差对拍击门槛转速的影响不仅与自身的变化频率、幅值大小有关,更重要的是与时变频率及其组合频率有关。
Threshold rattling speed not only depends upon the frequency and amplitude of the errors of a gear pair, but also time-varying meshing stiffness and their combination frequency.
针对一般采用的几种连杆弯曲和扭曲测量方法,就连杆大小端孔锥度造成的测量误差进行了分析,并提出了解决途径。
The checkout error of distortion and flexure caused by tapers of crank bore and piston pin eye is analysed. The solution for this problem is put forward.
对误差的来源以及大小从理论上得到了明确的解释。
The source and magnitude of the error is reasonably explained by the theory.
该算法根据每步计算中局部截断误差和精度的要求,合理调整步长大小。
This algorithm adjusts the step-size appropriately according to the presupposed precision and the local truncation error of each step.
阐述了两种不同半径圆弧凸模代替椭圆弧凸模所产生的误差,并比较其大小,从而实现凸模断面的优化设。
The errors are discussed as a result of two kinds of different radius arcs replacing elliptical arc, thereby, realize optimal design for punching cross section.
据此提出了一种自适应距离保护方法,根据误差的大小调整动作门槛。
A novel adaptive distance relay approach which can adjust action thresholds according to the error is proposed.
这个误差和水深成正比而和泥沙颗粒的大小无关。
This error in position is proportional to the depth of water, and is independent of the size of sand particles.
对各种误差的影响性质和大小做了全面的分析,细致地讨论了仪器常数的内容。
Discussion is also made on the property and magnitude of various errors as well as the implication of instrumental constants.
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