分析结果表明，使用基于部分参数加权平差的相对状态解算方法能够自主确定三星编队星座的相对状态。
The results show that the relative states of three satellites formation are autonomously determinate through using the method based on weighted partial parameters adjustment.
本文提出了把折光系数作为系统参数引入平差函数模型，在平差时予以补偿的方案。
This paper put forward a scheme, in which regarding refraction coefficient as systematic parameter introduced into adjustment model for compensation.
最后，作者提出了参数为随机的自由网平差新方法。
Finally, a new method concerning the adjustment of free networks with stochastic parameters is given.
对于非线性最小二乘平差参数的方差协方差传播的研究，必须与非线性最小二乘平差的研究同步。
The research of variance covariance propagation of nonlinear least squares adjusted parameters must keep in step with the development of nonlinear least squares adjustment in this area.
当法方程的系数矩阵呈病态时，平差参数的统计性质就要变坏。
If the coefficient matrix of the normal equation is ill-conditioned, the statistical character of adjustment parameter will become poor.
平差参数间存在等式约束的情形下，一般采用广义逆法。
If adjustment parameters are in equality constraint, generalized inversion method will be adopted.
其结果表明，按最小二乘平差求转换参数时，必须使用相关权阵。
The result demonstrates that the correlated weight matrix must be applied to solving transformation parameters according to least square adjustment.
讨论了测量平差中粗差和病态性同时存在时的参数估计问题。
The parameter estimation problem in parameter adjustment model is considered when outliers and ill-conditioning exist simultaneously.
从最小二乘配置出发，推导了附加先验约束的高精度GPS网平差的参数估计和精度估计公式。
Substantively to say, the adjustment model of GPS network with apriori constraint is a kind of Least Squares Collocation model.
当平差模型中存在复共线关系时，未知参数的最小二乘估计很不可靠。
The least Square estimates are not reliable when there exists multicollinearity in adjustment model.
可惜的是，当采用一个十分庞大的附加参数组时，在某些几何条件下将导致很坏的法方程系状态，从而使测求的平差结果很差。
Unfortunately, introducing a comprehensive set of additional parameters can produce a bad condition for normal equations under certain geometry, so that the adjusted results are poorly determined.
为了得到参数的最优估计和合理的精度评定，应利用赫尔默特方差分量估计法进行联合平差处理。
In order to obtain the optimal parameter estimates and reasonable accuracy evaluation should use Helmert variance component estimation method to deal with the combined adjustment.
建立了同时顾及坐标框架系统参数和地壳运动参数的GPS网联合平差模型。
The adjustment model for combined GPS networks considering systematical parameters for the coordinates frames and parameters for the crustal movement is established.
详细介绍了二维相似变换的原理，提出并推求了采用附有参数条件平差法进行二维相似转换，通过实验结果的比较分析说明该方法是可行的。
The way of condition adjustment with parameters used for two dimension similar transformation is proposed and deduced, which is proved practical by test results.
由于改进的模型中增加了三个定标参数，因此能够同时实现多航带幅度图像以及数字高程模型(dem)的联合平差。
Because of adding 3 calibration parameters, the block adjustment of amplitude images and Digital Elevation Model (DEM) could be actualized at the same time.
附加系统参数的混合平差模型中 ，同时含有非随机系统参数和具有验前统计性质的随机系统参数。
The mixing adjustment model with systematical parameters is an adjustment model including both non random systematical parameters and random systematical parameters.
最后给出了平差待估参数与观测值真误差之间的微分关系，由此即可导出平差待估参数的协方差阵。
At last gives the differential relationships between the unknown parameters and the true errors of the observations. These relationships can be used to evaluate the precision of the estimations.
最后给出了平差待估参数与观测值真误差之间的微分关系，由此即可导出平差待估参数的协方差阵。
At last gives the differential relationships between the unknown parameters and the true errors of the observations. These relationships can be used to evaluate the precision of the estimations.
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