此方法通过对反投影误差的检验实现了对部分可靠散射中心的自动选择和有效关联。
In the method, a part of reliable scattering centers are automatically selected and effectively associated via checking the back-projection error.
最后，在统计意义的框架下定义了加权柔度投影误差，解决了数据误差条件下的损伤定位问题。
Finally, the weighed flexibility error was defined on the frame of the statistical meaning to solve the damage location problem with the condition of data error.
证明了降阶控制器保证系统稳定的一个充分条件，并给出了投影误差引起的系统性能变化的范围估计。
A sufficient condition to guarantee closed loop stabilization is provided, and the change of performance from projection error is estimated.
模拟实验和真实实验数据结果表明，该射影重建方法具有鲁棒性好、收敛性好以及重投影误差小等优点。
The experiments with both simulate and real data show that the method is efficient, robust and has good property of convergence and small re-projection errors.
此外，通过引入附加的轮廓增强机制，在较大的屏幕投影误差和较高的模型简化率情况下，系统仍然能够保证较好的绘制视觉质量。
Moreover, an additional silhouette enhancement mechanism is introduced to ensure a well rendering vision quality in spite of a larger screen projection error and higher model reduction rates.
根据该误差对校正结果进行修正以抑制投影噪声的放大。
According to the errors, the correction results are revised to suppress the projection noise enlargement.
最后，通过这些误差界，我们给出了由投影梯度方法产生的迭代序列收敛的条件。
Using the error bounds, we give a condition for convergence of the sequence of iterates generated by projected gradient methods.
采用像素点变换法，实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想，大大降低了缺陷面积计算的误差；
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
算法采用基于视角的误差度量方法，将静态误差在屏幕上的投影转换为该误差相对于视点的夹角。
By using view Angle based error metrics, it transformed the screen projection of static error into the view Angle with respect to the viewpoint.
对于大口径精密投影光刻制版镜头来说，透镜的应力变形和中心误差对整个系统的成像质量有较大影响。
For big aperture's precision photolithographic plate-making lenses, the stress distortion and centering errors of lenses can make a bad effect on imaging quality.
将来自不同国家的数据源进行数据转换、投影变换和误差校正，转换为统一的数据格式和投影坐标系统。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
对两圆弧法绘制叶片平面投影图中相对液流角的计算误差会造成叶片不连续问题提出修正；
The problem that can be likely the lamina incontinuity is resolved, which is induced by calculating error of relatively liquid angle in the drawing lamina plane by two arc.
与传统的光学测量方法不同，测量系统采用两个CCD相机记录投影光栅，减小了测量误差，提高了测量精度。
Differing from the traditional optical measuring method, the measuring system USES two CCD cameras to record projection grating, thus reduces errors and improves measuring accuracy.
分析了自由曲面三坐标投影法数控加工的步长误差和行距误差。
The step error and line error of free-form surface of projecting NC machining were analyzed.
线性模型摄像机标定中，由于不考虑非线性畸变，使投影矩阵存在着标定误差，并影响三维重建的精度。
For not considering the non-linear deformation in linear model camera calibration, projection matrix (PM) con-tains calibration error that affects the precision of3D reconstruction.
提出一种基于参考误差的投影算法来训练网络权值，训练后网络输出能逼近期望的前馈力矩，并从理论上证明跟踪误差的收敛性。
The neural network trained by projection algorithm with the reference error is used to approximate the desired feedforward compensation. Convergence of the tracking error is proved.
第一章是绪论部分。简要介绍了投影梯度方法，误差界估计以及本文的主要工作。
Chapter 1 is the introduction of this paper, which introduces the the projected gradient method, the error bounds estimation and the main results obtained in this paper.
第三章研究了投影梯度方法的误差界估计。
In Chapter 3, some error bounds estimations of the projected gradient methods are obtained.
从投影显示系统典型的动态聚焦方法与投影管特殊的荧光屏结构以及光学处理等方面对投影显示系统的动态聚焦电压误差进行研究。
Dynamic focus voltage error of projection display system was studied in this article. Parabola dynamic focus method, projection tube shape and optics processing were analyzed.
通过对仿射投影模型相对透视投影模型的误差进行理论分析，论证了基于仿射近似解析航空图像的可行性。
Research on the error of affine model relative to perspective model shows it is reasonable to analysis aerial images based on affine approximation.
公开了一种在投影电视接收器(TV)中视频显示自动会聚误差，当执行自动会聚时可以防止产生误差。
Disclosed is a video display an auto-convergence error in a projection television receiver (TV) capable of preventing generation of an error when an auto-convergence is performed.
介绍了利用彩色面阵CCD进行火焰投影温度测量的系统结构和基本原理，并分析其主要的误差来源。
The make up and basic principles of a flame temperature measuring system using colored array CCD (charge coupled device) are described along with an analysis of its major error sources.
介绍了利用彩色面阵CCD进行火焰投影温度测量的系统结构和基本原理，并分析其主要的误差来源。
The make up and basic principles of a flame temperature measuring system using colored array CCD (charge coupled device) are described along with an analysis of its major error sources.
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