... rank correlation 秩相关 rank defect 秩亏 rank difference square correlation 等级差平方相关 ...
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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。
参考来源 - 大地测量中不适定问题的正则化解法研究The multi-user detection(MUD)algorithm based on hybrid genetic algorithm(HGA) was proposed for the rank-deficient problems in the multi-user MIMO-OFDM system.
将混合遗传算法引入到MIMO-OFDM系统多用户检测中解决秩亏问题。
参考来源 - 基于混合遗传算法的MIMO·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了法方程出现秩亏的可能原因，针对不同的原因提出了解决办法。
The causes of rank defect of normal equation are analyzed, and then the problems are solved by advancing different method to different causes.
从物理角度说明秩亏网平差基准的含意，可加深人们对平差结果性质的认识，因而更有利于工程技术人员选择合适的方法解决实际问题。
These conclusions are conducive for technical personnels to comprehend the properties of rank-deficient adjustment and to employ proper methods in engineering. The results, …
为了解决秩亏RCF（robust Capon filter-bank）谱 估计 方法的 估计性能不稳健问题，提出一种 基于奇异协方差矩阵的谱 估计 方法。
A spectral estimator based on the rank-deficient sample covariance matrix was developed to improve the robustness of estimates of the rank-deficient robust Capon filter-bank (RCF) spectral estimator.
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