采样间距

  • 网络Sampling interval;sampling distance
采样间距采样间距
  1. 在数据处理上,采用了内插值三维重构算法,以及二次曲面拟合的系统误差校正算法,可以在较大的采样间距下获取较高的测量精度。

    The high vertical resolution is achieved at a larger sampling distance when interpolation algorithm is adopted to reconstruct the 3D profile and the conicoid fitting technique is used to calibrate for the system error in the data processing .

  2. 试验结果表明:改变探测器推扫方向的采样间距,斜模式采样技术可以提高传输型光学遥感器图像的空间分辨率,该技术相对于超模式采样技术,工程实现上要简单。

    The results show this sampling technology can improve the image spatial resolution of EO sensor through changing sampling distance in the direction of along push scan and the engineering implementation is relative simpler than that of supermode sampling .

  3. 该方法采用了B样条曲面实时插补方法,可实时生成扫查点,克服了现有方法存在的存储问题,并具有可现场设定采样间距等参数的特点。

    The proposed methodology uses a B-spline surface interpolator that is capable of real-time generation of inspection point , overcomes the storage problem of existing approaches , and adjusts inspection distance on spot .

  4. 平均采样间距6.9m,分析样品总数209个。

    A total of 209 samples were analysed for carbon isotopes , and the mean sampling interval is 6.9 m.

  5. 在水网平原、河谷平原和滨海平原的研究区内,10m、100m和500m的采样间距能够反映出各农业地貌区微量元素含量的主要空间变异特征。

    The sampling distances in the study regions of the three major landforms for capturing the main variability of trace elements , are 10m for the study area in the water net plan , 100 m for the valley plain , and 500 m for the coastal plain , respectively .

  6. 针对采样间距的统一和深度匹配问题提出了自己的看法和建议。

    Opinions and proposals on unifying sampling interval and depth matching are provided .

  7. 精细农业中最佳土壤采样间距确定方法的研究

    The Research of Determine Method for the Best Soil Sampling Space in Precision Agriculture

  8. 增益测量时可以将采样间距直接增大,亦可有效地获得所需的最大值。

    In the gain measurement , the sample spacing can be enlarged directly , yet the required maximum remains unchangeable .

  9. 首先,根据采样间距,基于张量积方法由一维小波滤波器系数构造二维小波滤波函数。

    Firstly , according to the sampling interval , the two-dimensional wavelet filters were constructed with one-dimensional coefficients of wavelet filter in terms of tensor product method .

  10. 通过使用像散光斑光强差动算法,有效抑制光源的噪声和漂移的影响,可以在较大采样间距下获得较高的轴向分辨率,有效解决测量分辨率和测量速度之间的矛盾。

    By using the linearity characteristic of astigmatic system , high axial resolution is achieved at a larger sampling interval , thus solve the conflict between the measuring efficiency and the measuring accuracy .

  11. 从频域理论上对直线度测量中采样间距与偏差形状的吻合关系进行了较为深入的理论分析,提出在相同的采样误差条件下,随着采样点数的增加,测量误差将随之下降。

    The Congruent relationship between sample step and diviation shape in linearity measurement is analyzed theoretically by frequency field theory , and the measuring error is decreased as the sample points are increased in the same conditions of the sample error .

  12. 目前为解决这一问题国内外学者进行了研究,通常采用增大采样点间距的方法来降低数据矩阵的大小,虽然达到了提高计算速度的目的却损失了精度。

    At present in order to solve the problem the domestic and foreign scholars , usually by increasing the distance sample point method to reduce the size of the data matrix , although to improve the calculation speed purpose but lost precision .

  13. 基于GIS的精确农业合理采样与施肥间距研究

    Research on Reasonable Distances of Soil Sampling and Fertilizing Based on GIS in Precision Agriculture

  14. 分别对1根钢铰线锚索与3根基纶纤维增强复合塑料(AFRP)锚索进行了应力状态监测试验,分布式应变采样点最小间距为5cm。

    A tensile test is carried out for one steel and three AFRP ( aramid fiber reinforced plastic ) prestressed anchorage cables while the strain distributions of the cables are monitored simultaneously with a sample resolution of 5 cm .

  15. 基于地质统计学理论,得到了3种采样方法、不同采样间距与上述参数的估计误差、采出量相对误差的关系。

    Based on the geostatistics knowledge , the relationship between the estimation error , relative error of mining reserves and the sampling method and interval were gained .

  16. 由于周期性纹理的纹元是以周期为单位的纹理块,该文试图对周期性纹理图像进行方向滤波后找出纹理的周期,然后以周期尺度为采样块的大小和采样间距,进行纹理合成。

    Because the texel of periodic texture is the patch with the texture 's period , here try to calculate the period by direction filter , and then synthesize the periodic texture by sampling with the period .

  17. 通过研究不同转速切削后碳/酚醛工件表面的合适采样条件,发现用某个统一的采样间距来测量所有表面,并不合理。

    After studying proper sample conditions of C / Ph workpieces machined by different rotational velocities , it can conclude that measure all surfaces with one unique sampling space is not correct .

  18. 采样使用国产手提式气压钻机,钻取的岩心直径为25mm,长度为20~50mm,用磁罗盘定向器定向取心。采样间距一般为0.5~5m,但重要界面附近间距达到5cm。

    Samples were commonly taken at 0 . 5 ~ 5 m intervals , but the intervals reached 5 cm near some important geological boundary-surfaces . The cores taken were 25 mm in diameter and 20-50 mm in length .