本文用适当的多项式函数近似扩散光波导的高斯折射率分布函数，推导了导模有效折射率的解析形式渐近解。
The Gaussian index profile of a diffused optical waveguide is approximated by an appropriate polynomial, and the asymptotic solutions of the mode efficient index is derived in a analytical form.
在研究基于图像的局部光照模型时，又提出了双向折射率分布函数这一概念，从而简化了局部光照模型的设计。
The basic idea is illuminating the scene with the light probe images. To simplify the design of local illumination model, the bidirectional transmit distribution function is introduced.
该方法利用半球谐基函数对入射光线正交化，利用两个半球上的笛卡儿积来定义物体表面的双向反射率分布函数。
This method USES the hemispherical harmonics basis to represent incoming radiance and USES the Cartesian product of two hemispheres to define the BRDFs.
结果表明当目标误差为0．01，径向基函数的分布常数为4时，网络达到最优化，总的正确识别率为96％。
When error goal is 0. 01 and speed constant of radial basis function is 4, the network achieves optimization, and the total correct rate is 96%.
滑坡预测模型的预测率是，模型预测结果图的各个级别类型中，未用于建模的滑坡面积百分比的累积分布函数。
Prediction rate is the cumulative distribution function of the area percentage of the landslides not used to construct a model with respect to the classes in the prediction map generated.
当目标误差为0．01，径向基函数的分布常数为5时，网络达到最优化，总的正确识别率为98％。
When the error goal is 0. 01 and speed constant of radial basis function is 5, and the network achieves the optimization, and the total correct rate is 98%.
通过分析目标谱分布，并运用MODTRAN模拟计算背景程辐射和整层大气透过率，得到对应不同目标的权函数。
The weight functions were obtained by analyzing target spectra distribution and background radiance, transmittance computed by MODTRAN.
利用双向反射分布函数测量系统，通过对物体表面双向反射分布的测量来获得其方向发射率。
The directional emissivity is deduced from the Bidirectional Reflectance Distribution Function (BRDF) in the hemispherical scattering space of the objects.
结合高斯光束的强度分布函数，推导了横向与轴向分辨率的表达式。
With the intensity distribution function of Gaussian beam, the lateral and axial resolution expressions were deduced.
引用概率密度的概念，即转化率分布密度函数对连续离子交换过程进行分析。
The continuous ion exchange process was analysed through the concept of probability density and conversion distribution function.
研究结果表明，在样本分布和量化级数不变时，泛化均方差和学习均方差是权调整率的非增函数。
Research results indicate that generalization ability and learning accuracy are the non decreasing function of weight adjusting ratio.
滴灌带以下的含水率高于滴灌带以上的含水率，垂直方向含水率的分布与土壤深度之间符合二次函数关系。
The moisture rate of soil above drip tube is higher than which under the drip tube, in vertical soil moisture is related soil depth with a nonlinear function.
给出了各种复合衰落的概率密度函数、累积分布函数、平均电平交叉率、平均衰落时间的统一表达式。
The probability density function, cumulative distribution function, average level crossing rate and average fade duration of each composite fading channel are analyzed, and some uniform expression.
采用基于LP算法的IS光纤光栅设计技术，设计出CFBG的折射率调制函数和啁啾分布。
The index modulating function and chirp parameter distribution of the CFBG were synthesized by layer-peeling(LP) inverse scattering(IS) technique.
与传统模型相比，本文所提出的基于随机分布函数的生育率组合模型和死亡率分段模型使模型精度得到了进一步的提高。
Compared with traditional functions, both the composite fertility model which is based on random distribution functions and the segmented mortality model improved the models 'accuracy.
结果表明用传递函数方法处理折射率渐变分布的光波导问题，计算相对简单，可以得到精确的数值结果。
The results show that it is a relatively simple and exact method for using transfer function method to deal with the optical waveguides with graded refractive index profile.
运用环带法对高斯函数形式的折射率分布进行了重构计算，对重构结果进行了检验和分析。
A deflection distribution with Gauss form is reconstructed with zoned method, the results of reconstruction are also examined and analyzed.
这种算法考虑了信源在量化器量化判决区域的分布，通过寻找最小的拉格朗日率失真费用函数，获得量化器的判决电平。
The source distribution in decision region of quantizer is considered in this algorithm, and the decision level of quantizer is derived from the procedure of searching the minimum R D Lagrangian cost.
为了提高分布式sar的图像分辨率，本文提出了基于图像质量测度函数的分布式SAR分辨率自动合成算法。
To enhance the image resolution of the constellation SAR system, we propose an auto-combination algorithm which is based on the image quality estimation functions.
分析表明，在一定条件下，可得到输入物函数相位变化率分布的信息。
The results indicate that the information about phase change of the input object function can be obtained under given conditions, when it is illuminated by an incoherent quasi - monochromatic source.
此时我们需要知道资产组合收益率的联合分布函数，然而这个联合分布函数又往往不能轻易的表达出来。
We need to know asset portfolio earning ratio distribution function uniting , but the distribution function uniting so are sometimes unable now casually express out.
严格求解了折射率分布可用费米函数描述的平面光波导的波动方程。
Wave equations of a planar waveguide with Fermi index profile are studied theoretically.
对具有复合泊松分布聚合信元流输入的漏桶算法的性能进行了分析，并提出了一种通过特征函数求得信元流的平均时延和信元损失率的方法。
The article presents a method of multiple buckets policing in ATM environment, which is based on VBR MPEG codec characteristics of I, B, P frame.
对具有复合泊松分布聚合信元流输入的漏桶算法的性能进行了分析，并提出了一种通过特征函数求得信元流的平均时延和信元损失率的方法。
The article presents a method of multiple buckets policing in ATM environment, which is based on VBR MPEG codec characteristics of I, B, P frame.
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