秩亏 meaning in English
rank defect
Examples
- The rank - defect adjustment model for survey - line systematic errors in marine survey net
海洋测线网系统误差调整的秩亏网平差模型 - The ill - posed problems include the ill - conditioned and the rank - deficient ones in geodesy , which exist widely in gps data processing , deformation analysis , geodesy inversion , gravity field continuation downward , and so on
大地测量中的不适定问题包括病态问题和秩亏问题，它广泛存在于gps数据处理、形变分析、大地测量反演、重力场向下延拓等领域。 - On the basis of the homotopy arithmetic , this paper puts forward a uniform model of nonlinear least square ( ls ) adjustment , which can be used not only for the nonlinear ls adjustment of the rank defect problems , but also for that of the rank full problems
摘要基于非线性同伦思想，提出了非线性同伦最小二乘平差统一模型，该方法既可适用于满秩网非线性最小二乘平差，也可适用于秩亏网非线性最小二乘平差。 - Thirdly , based on the thought of motion - based ambiguity resolution , a bi - satellite attitude determination method using non - planar baselines is developed making full use of the satellites ’ geostationary property . focused on movement mode demands , the dissertation brings forward a method by large angle yawing movement accompanied with small angle pitch vibration to efficiently solve the rank deficiency problem of vehicle planar motion
再次,在基于运动解模糊的思想基础上,充分利用北斗卫星对地静止的特性,提出了一种非共面基线的双星定姿方法,并重点分析了对运动特性的要求,提出通过伴随小幅俯仰扰动的大角度偏航运动方式来有效解决载体平面运动的观测矩阵秩亏问题。 - 2 ) for the rank - short problem of inter - satellite measurement net , the architecture of constellation ’ s autonomous navigation was designed . satellite - to - satellite and satellite - to - ground measurement scheme and time synchronization of measurement were discussed . last , all factors that influence the navigation precision of constellation were analyzed mathematically , and some useful conclusions were drawn
2 )针对星间观测网的秩亏问题,进行星座自主导航系统的框架设计,讨论了星间、星地的测量方案以及测量值的时间同步问题,最后对影响星座导航精度的各个因素进行了数学分析,得出了一些有益的结论。