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中文摘要：
提出了一种顾及设计矩阵随机误差的最小二乘组合解法（combined least square,CLS）,该算法适用于整体最小二乘（TLS）的参数估计。给出了整体最小二乘平差新算法下的精度评定公式,解决了传统TLS解算方法难以进行严密的精度评定的难题,并通过算例验证了新算法的可行性和正确性。
英文摘要：
A new combined LS（CI.S） method is proposed which considers the random error in a design matrix after a brief introduction of TLS and its iteration algorithm and the SVD algorithm. The new algorithm can be applied for TLS parameter estimation, so that TLS can be integrated with classical LS in theory. By proposing rigorous accuracy assessment formulas for TLS under the new algorithm, this paper solves the bottleneck problem which restricts the application of TLS, and then shows the feasibility and correctness of the new method through examples. The research results are meaningful not only for TLS theory, but also for the whole data processing theory.
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