| 1. | Today ' s example function is evaluating a third order polynomial 今天的例子是评测一个三次多项式。 |
| 2. | Second order polynomial regression mathematical model treatment of flow capacity - lift head property curve of centrifugal pump 扬程性能曲线的二阶多项式回归数学模型处理 |
| 3. | Although the work is based on the nonstationary signal of quadratic phase , the methods can also be extended to higher - order polynomial phase signal 论文的研究虽然是基于不高于二次相位项的非平稳信号,但是其思想方法也可以推广到更高阶的多项式相位信号。 |
| 4. | The dynamic equations of rotor - bearing system are built by combining d ' alemdert principle with rize way . and three order polynomial is adopted as rayleigh function , so the rotor shaft can be treated as the continue beam 采用三次多项式作为瑞利函数,将轴作为连续梁处理,运用达朗伯原理结合rize法建立了转子的运动方程。 |
| 5. | For the fuzzy controller with a fitted modifying factor , a third - order polynomial was used to approximate the former four modifying factors , without the quantization of input and output variables 在拟合修正因子模糊控制器中,采用一个3阶多项式对优化得到的4个修正因子运用最小二乘法进行逼近,且不再对输入和输出进行量化处理。 |
| 6. | In this paper , we first reconstruct a second order polynomial surface to approximate the original point model in the local area of each point , which is then restricted within a so - called - confidence region , producing a - surfel 摘要在每个点附近重建一个二次多项式函数曲面逼近原点模型,并根据逼近误差将每个重建曲面限制在称为置信邻域的范围内,从而形成一个面元。 |
| 7. | In order to make it possible that unbalance of the nonlinear rotor system may be identified online , the expression of nonlinear oil film force is improved , in which the three - order polynomial coefficients may be evaluated based on the journal orbit 因此,在进行不平衡量在线识别或无试重动平衡时,如果采用不变的轴承动力系数或仅仅是随着转速变化的轴承动力系数,那么识别结果就会产生较大的误差。 |
| 8. | Feature extraction through 2 - order polynomial fit of the descending part of the response curve made possible a timesaving measurement process . the performances of two pattern recognition algorithms , namely principal component analysis ( pca ) and linear discriminant analysis ( lda ) in practical problems were discussed . artificial neural network ( ann ) was utilized with back - propagation algorithm ( bpa ) , and the combination of pca / lda with ann improved the identification performance of the system 基于对模式识别系统的深入研究,提出了从响应阶段数据提取特征的方法,节省了测试所需时间;比较了主成分分析法( principalcomponentanalysis , pca )与线性判别式法( lineardiscriminantanalysis , lda )两种模式识别方法在实际应用中的不同结果,分析了原因;设计了采用误差反传算法back - propagationalgorithm , bpa )的前向人工神经网络( artificialneuralnetwork , ann ) ,并指出其应用中存在的问题,提出了改进建议;利用pca lda与ann相结合的方法改善了系统的识别性能。 |
| 9. | In multi - pose face recognition based on a single view : ( 1 ) the technology approaches of multi - pose face recognition are firstly studies based on single view or small samples in details . ( 2 ) a new multi - pose face recognition algorithm is developed based on single view . it first generates the multi - pose face images based on a fit method with a high order polynomial function . then , it does face recognition based on the single view and the generated multi - pose images 在研究基于单视图的多姿态人脸识别方面,一、详细研究了基于单视图或小样本的多姿态人脸识别的可能技术途径;二、提出了一种新的基于单视图的多姿态人脸识别技术,它先基于高次多项式函数拟合方法由单视图通过变形生成多姿态人脸图像,后基于该单视图和生成的多姿态图像进行多姿态人脸识别,实验结果表明该算法识别正确率大大高于经典算法;三、详细研究了几种基于单视图或小样本的多姿态人脸图像生成技术,它们是基于单视图或小样本的多姿态人脸识别的关键技术。 |