相关长度

  • 网络Correlation Length;coherence length
相关长度相关长度
  1. 结果表明,偏振度主要受激光波长,初始偏振度以及x轴和y轴上相关长度的影响。

    The results show that degree of polarization is mainly affected by laser wavelength , the initial degree of polarization , the correlation length of x-axis and y-axis .

  2. 这为利用地震空间相关长度和尾波Q值的监测资料建立一种预测地震发生时间的方法和找到预测指标打下了基础。

    The study has provided a basis for creating a method and finding indexes to predict the earthquake occurrence time by using the monitored seismic spatial correlation length and coda Q_c .

  3. 得到了临界点、相关长度指数v及流向图,并分析了流向图的特点。

    We obtain the critical point , the pair connectedness length exponent v and flow diagram .

  4. 通过选择在水平方向和垂直方向上的自相关长度a、b以及粗糙度r,可以产生出各种不同形式的混合型随机介质模型。

    By selecting the autocorrelation length a of horizontal direction , b of vertical direction and r of roughness factor , we may generate diversified intermixed random media models .

  5. 光滑表面散射光的角度分布包含了表面的粗糙度信息,即散射光的分布与粗糙度的均方根值Rq和自相关长度1值有关。

    The angular distribution of the scattering light from a surface contains infor-mation of the surface roughness , namely the rms value and the autocorrelation length .

  6. 该算法以SNR为理论基础,计算出最佳的子相关长度,从而保证了TOA获取的稳健性。

    The algorithm computes the optimal sub-correlation length using SNR as theory foundation , So the robust of TOA would be guaranteed .

  7. 基于SAR图像反演原理,提出一种后向散射系数反演海面风场的新方法,以相关长度确定风向,再利用随机粗糙海面理论模型反演风速。

    Based on the principle of SAR image retrieval , a new retrieval approach is presented in this paper , which can evaluate wind direction , then retrieve wind speed by randomly rough sea surface theoretical model .

  8. 大气相关长度r0是评定大气湍流是否影响光学系统图像分辨力的主要依据。

    Atmospheric correlation length r_0 is the basis of evaluating the atmospheric influence on image resolution .

  9. 这种横向相关长度为30-50A的表面粗糙度的存在与Laks和Mills的表面随机粗糙隧道结发光理论的预期值一致。

    The existance of this surface roughness with the transverse correlation lenghth of 30 50A is coincident with the theoretical predication of Laks and Mills .

  10. Viterbi译码算法的译码性能将会随着码的相关长度k增加而提高,但其实现的复杂度将以2k的比例增长。

    In the algorithm of Viterbi decoding , while the performance of decoding is improved with the increasing of length of the convolutional encoding , the complexity to implement it increases at the rate of 2k .

  11. 在观测中我们首次发现结表面的CaF2薄膜呈现出横向相关长度分别为300-700A和30-50A的两种粗糙度;

    For the first time , they found that there were two kinds of the roughness on the junction surface , which have the transverse correlation length of 500 700A and 30 50A , respectively .

  12. 当所用SOI材料为基于SIMOX技术的材料时,表面RMS粗糙度为3nm左右,自相关长度为100nm左右。

    When the SIMOX-based SOI wafers are used , the RMS roughness of the SOG surface will be about 3 nm and the auto-correlation length will be about 100 nm .

  13. 但在实际的CFAR处理中,结构分量的空间相关长度需要估计获得,而现有的幅度域相关系数拟合估计法计算量大,针对这一缺点,本文利用近似的方法对其进行了简化。

    But in practical CFAR process , the spatially correlation length of the structure component needs to be estimated . In view of extremely time consuming of the correlation coefficient fitting estimation method in amplitude domain , an approximate method is applied to simplify it .

  14. 只要ETAM的积分时间小于海洋声信道的时间相关长度,可将拖曳线列阵的等效孔径扩展到不大于海洋声信道的空间相关长度的任意尺寸。

    If the integral time of the ETAM is smaller than the time correlative length of the ocean acoustic channel , it can expand the equivalent aperture of the towed array to any length , which is smaller than the space correlative length of the ocean acoustic channel .

  15. 圆柱绕流脱落旋涡相关长度的测量

    Correlation length measurement of vortex shedding from a circular cylinder

  16. 空间相关长度分析证实了背景起伏具有强的空域相关性。

    The spatial correlative length analysis proves the clutter highly spatial correlative .

  17. 另外还得到了强湍流下信道相关长度的近似表达式。

    An approximation for estimating the channel correlation length under strong turbulence conditions is obtained .

  18. 相关长度增长的观测作为大震前临界点特征的指标

    Observation of growing correlation length as an indicator for critical point behavior prior to large earthquakes

  19. 介质的自相关长度的变化对波前振幅的影响很小。

    The variation of autocorrelation length in medium has a little influence on amplitude of wavefront .

  20. 反之,在横向相关长度大于地震波波长的条件下,散射效应随横向相关长度的增大而增强,地震波能量随之减弱。

    When the lateral correlation length increases within the wavelength , focusing of energy will be enhanced .

  21. 相关长度越短,检测正确匹配位置的可能性就越大。

    The smaller the correlation length , the greater the probability of detecting the correct matching position .

  22. 甘肃及邻近地区几次中强地震前地震空间相关长度增长的研究

    Study on growing correlation length prior to the earthquakes occurred in Gansu Province and its nearby area

  23. 用遗传算法,从多角度后向散射观测值同时反演陆地表面粗糙度(小尺度起伏方差与相关长度、大尺度起伏坡度)和土壤体湿度的多维特征性参数。

    A novel genetic algorithm is developed for multi parameter retrieval of land surface roughness and soil moisture .

  24. 山丹-民乐6.1级地震前地震空间相关长度增长现象和预测效果

    The phenomena of growing correlation length in space of earthquakes before SHANDAN-MINLE earthquake with 6.1 and its predicting effect

  25. 本文探讨了圆柱绕流脱落旋涡空间相关长度的测量技术。

    In present paper , the correlation length measuring techniques of vortex shedding from a circular cylinder are studied .

  26. 模糊性可以用相关长度或主相关峰宽度的50%来衡量。

    Lack of ambiguity could be measured by the correlation length or 50 percent width of the main correlation peak .

  27. 提出了一种根据最小相关长度来选择最佳匹配子区的方法。

    In this paper , a method is presented to select the best subset according to the minimum correlation length .

  28. 结果表明,所研究的几次中强地震前都观察到相关长度增长的现象。

    The results show that the phenomena of growing correlation length have been observed before the earthquakes studied in the paper .

  29. 这项技术特别有助于发现使用浮点值、转换率,以及与数据类型相关长度的问题。

    This technique can especially help in finding problems with floating-point values , conversion ratios , and lengths associated with data types .

  30. 一维指数模型的时间相关长度分析表明背景起伏具有强时相关性。

    The temporal correlative length is proposed based on 1D exponent model and it shows that the clutter is highly temporal correlative .