| 1. | 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。 |
