在一个大的地区内可能会存在某些未知的共同误差源,因此为建立好的参考系,观测仪器的地理分布以尽可能均匀为好。
Some common error sources probably exist in a large region. Instruments should be distributed as uniformly as possibly in order to establish a stable reference system.
但在非均匀风场中,回波结构在运动过程申发生变化,导致该方法的误差大大增加。
In a nonuniform wind field, however, great changes take place in the structure, causing an increase of errors.
理论计算和计算机模拟实验结果显示,模糊控制迭代算法的迭代结果其振幅均方误差为0.69%,振幅不均匀度为1.01%。
Computer simulation experiment, as well as theoretical research show that the amplitude mean square error of the iterative output derived from IAFC is 0.69%, and the amplitude un-uniformity is 1.01%.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。
This paper deals with two problems, nonzero -offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
针对目前圆形断面均匀流水深计算公式存在计算误差大、适用范围小的弊端,欲提出一种新的近似计算公式。
For present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.
针对这一问题,提出了全曲面等误差和均匀粗糙度加工的概念。
In the paper, a new conception about equal errors and uniform roughness on whole surface is proposed.
为了降低模型误差,引入非均匀网格,并且自适应的在参数变化快的地方用较细网格,其他地方用较粗网格。
In order to reduce model error, we use non-uniform grid, if the parameter's changing is fast, we use fine grid, else we use coarse grid.
因此,如果我们处理真彩色(rgb)图像,你想大量的均匀区域,最好是在水平或垂直方向,或非常光滑,使预测误差小。
Hence, if we are dealing with true colour (RGB) images, you want lots of uniform zones, preferably on horizontal or vertical directions, or very smooth, so that the prediction errors are small.
计算结果证明,当采用非均匀圆柱坐标系下FDTD法计算时,圆柱坐标系下网格波阻抗可以较准确地计算由于网格尺寸不同造成的数值反射误差。
The results showed that MWI in cylindrical coordinates can be used to accurately calculate the numerical reflection error caused by different mesh increments in non uniform FDTD.
例如,对均匀光纤,计算出的所有导模的归一化截止频率值的相对误差为10 ~ (-3)10 ~ (- 5)。
For example, for a homogeneous optical fiber the computed relative error of normalized cutoff frequency for all guide-mode are between 10 ~ (-3) and 10 ~ (-5).
在一定条件下、最小范数解更能反映位移场的真实状态,并使计算误差分布均匀。
With this method. the situations of dis-placements and stresses may be shown more exactly and the calculus errors have a even distribution.
对阴极温度的不均匀导致的发射电流偏差进行了计算分析,并首次得到了发射电流误差小于5%的阴极丝最小长度的计算公式。
Non uniform temperature distribution causes deviation in emission current, the error of which is less than 5% for the shortest length of diode cathode.
实验证明由该种“复合式极板”构成的电容式浓度传感器的检测场均匀性误差可达13%,远远优于单对极板的该项指标。
Test results showed the homogenous error of sensitivity distribution of the sensor was 13%, which is much better than the capacitance sensor with only one pair of electrodes.
然后,给出了一个笔划缩放误差调整技术,它可保持缩放字形笔划的均匀美观;
Then, a Error Adjusting Method for scaled strokes is presented which can keep scaled fonts having even strokes and high quality.
控制支撑高度误差和玻璃的平整度,保证受力的均匀,可增加真空玻璃的强度,增加其可靠性,提高其使用寿命。
The brace height uniformity and the glass flatness should be controlled so as to guarantee force equality, which could improve strength, dependability and service life of the vacuum glass.
分析表明光强非均匀分布给波前曲率传感器测量信号带来了一定的误差。
Analysis indicates that nonuniform intensity introduces some error into wavefront curvature sensor signal.
在分析制造误差的过程中,建立了反射体的均匀加厚模型和水平放置模型。
The equal thickness model and the level placement model of reflector are established in the analysis errors in manufacturing.
如果使用这种样品刻度系统的灵敏度曲线,样品的不均匀性会引起严重的实验误差。
When the sample is used to perform sensitivity calibration of the instrument, serious error will arise.
本文叙述了一种不受干涉仪系统误差及试样加工误差限制的测试光学材料均匀性的方法。
This paper describes a method for the homogeneity measurement of optical material which is free from the system errors and the sample geometrical errors.
由于空中大气介质的不均匀性使得电波传播速度减慢射线产生弯曲,从而产生折射误差。
The radio wave propagation velocity is slowed and the ray producing bend but to the asymmetry of the atmospheric medium, the refraction error is produced.
该线性化方法的误差主要来源于映射参数分布的不均匀性,对于常见的可用平行四边形剖分的膜,其逼近精度相当高。
The error of the present method mainly comes from the non-uniformity of the mapping parameters, and thus this method works very well for most membranes whose shapes are close to parallelogram.
本文就阵列存在误差及非均匀噪声情况下的DOA估计方法进行了讨论。
In this thesis, the methods for DOA estimation in the presence of array errors and nonuniform noise are discussed.
【目的】针对目前圆形断面均匀流水深计算公式存在计算误差大、适用范围小的弊端,欲提出一种新的近似计算公式。
Objective for present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.
沥青混合料的沥青含量偏差主要来自生产时的计量误差、配比偏差、拌和均匀性及检测时的试验误差,文章对这些影响因素进行了分析。
Asphalt content errors in asphalt aggregate mainly come from metering errors, grading errors, mixing homogeneity and measurement errors. These influencing factors are analyzed in the article.
此外,由于主缆丝股制造和架设长度的误差及结构本身构造的原因也会使丝股之间发生应力不均匀现象。
In addition, the strands will be loaded unevenly because of the error of the main cable wire manufacture and erection, and the structural reasons of structure itself.
仪器经过改进后,测量误差达到规定要求,并与焦样加工精度、焦样长度、悬丝悬吊位置及焦样的均匀性有关。
After modified instrument, the error of determination is reached defined requirements and is related to machining precision, length, SUS - pension in place and homogeneity of coke specimens.
分析了引起地平仪测量误差的主要误差源—地球扁率和大气红外辐射不均匀性。
The first part is to analyze the two error sources of the earth horizon sensor: one is earth oblateness and the other is non-uniformly distributed atmospheric infrared radiation.
考虑到使用中铸铁平板(铸铁平台)的局部磨损及修后平板的不均匀性,局部误差的控制更有必要。
Considering the use of cast iron plate (cast iron platform) local wear and tear of the plate after the inhomogeneity of the local error control, more necessary.
考虑到使用中铸铁平板(铸铁平台)的局部磨损及修后平板的不均匀性,局部误差的控制更有必要。
Considering the use of cast iron plate (cast iron platform) local wear and tear of the plate after the inhomogeneity of the local error control, more necessary.
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