对曲面重构误差和总反求误差进行了分析。
The error of surface reconstruction and the whole error are analyzed.
为提高压缩算法的自适应能力,应用量化阈值自动更新机制对重构误差进行了控制。
The reconstruction distortion is controlledautomatically by a threshold adjustment mechanism to enhance the algorithm'srobustness .
定性分析与计算机模拟结果表明,由于算法本身带来新的重构误差,它的重构精度与通常算法基本相同。
Because of new errors of the algorithm, qualitative analysis and computer simulation results indicate that its reconstruction precision is basically equal to that of the usual algorithm.
结果显示,大部分工况下进气压力传感器和节气门位置传感器的信号重构误差可控制在10%以内,表明了所提出的调节策略是切实有效的。
The results show that the error of estimated value of both throttle position sensor and manifold pressure sensor are less than 10%, and the strategy put forward in this paper is valid.
然后利用UG函数求取出CT切片重构的STL模型上的点到CAD模型的距离,得到误差分布。
Then, the distance between point of STL model reconstructed by CT slices and CAD model is got by UG function and the error distribution is also got.
利用自律验证法对本文提出的圆柱度误差分离及重构方法系统地进行了实验验证。
The cylindricity error separation and reconstruction method proposed in this paper was systematically verified.
利用逆散射理论,通过测量离体血管的声散射场振幅谱的大小周期,重构了猪的主动脉离体血管的内外半径,重构参数的相对误差<4%。
Inverse scattering theory was applied to reconstruct the inside and outside radii of the aortic blood vessels of a pig by scattering spectrum. The relative errors of reconstruction were less than 4%.
此分类算法首先计算未知类别样本的重构系数,定义一种误差作为判别标准,根据此误差的大小判断样本的类别归属。
This algorithm firstly computes the reconstruction weights of unknown samples. Then an error, on which the class of samples can be decided based, is defined as a criterion.
基本控制律采用非线性动态逆方法设计,神经网络用于对逆误差进行重构。
The base control law is designed in dynamic inversion and neural networks are used to reconstruct inversion error.
合理确定其位置,是圆柱度形状误差重构的基础。
To determine this position is the basis on which cylindrical form errors can be retraced.
与数条纹法相比,重构测量法提高了测量精度,测量误差下降了1~2个数量级;
Compare with the fringe counting method, not only the accuracy has been improved but also the error declines 1~2 orders of magnitude by the reconstruction measurement method.
在超精密加工中,用多测头方法测量工件直线度时,需要采用误差分离的方法分离出溜板的运动误差,并用一定的算法重构工件表面的直线度。
In ultraprecision machining, multi probe methods are widely used for measuring the straightness error of the workpiece to separate the straightness motion error of the carriage.
为快速评估不同构型的可重构加工系统中零件的质量,提出了一种基于误差传递模型的尺寸偏差预测方法。
To efficiently evaluate design reconfigurable machining system performance such as quality, a model-based method was proposed to predict part dimensional variations.
模拟分析滤波器的实现误差以及各子带间的增益、相位失配误差的存在都将影响混合滤波器组(HFB)的完美重构效果。
The problems caused by analogy analysis filters realization error and gain phase error usually impact the reconstruction performance of the hybrid filter banks(HFB).
低分辨率图像的信噪比(SNR)和图像之间的配准误差对超分辨率重构效果的影响是该技术应用在遥感领域的瓶颈。
The influence of Signal-to-noise ratio (SNR) of low-resolution images and registration error among them on the super-reconstruction of images is the bottle-neck in the field of remote sensing.
低分辨率图像的信噪比(SNR)和图像之间的配准误差对超分辨率重构效果的影响是该技术应用在遥感领域的瓶颈。
The influence of Signal-to-noise ratio (SNR) of low-resolution images and registration error among them on the super-reconstruction of images is the bottle-neck in the field of remote sensing.
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