Based on the Least Square algorithm and Eigenvalue Decompositon estimation algorithm (LS-EVD) of noise power estimation, an improved algorithm is developed for the noise character analysis.
在噪声特性分析方面,分析了各OFDM电台噪声统计特性上的差异,重点研究了信噪比估计算法,提出了一种改进的基于最小二乘法一特征值分解(LS-EVD)的噪声功率估计算法。
参考来源 - 基于包络高阶特性的OFDM电台识别技术研究The proposed algorithm has a complexity remarkably lower than the conventional ones while its performance is equivalent to the least square algorithm based on QR decomposition.
该算法由于采用本文提出的无平方根和乘法运算的Givens旋转正交分解法,以及将QR分解算法同后向迭代算法结合,因此计算复杂度明显降低,而性能等价于基于QR分解的最小二乘算法。
参考来源 - 直扩通信系统中窄带干扰抑制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Both the wavelet functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.
本文把小波函数引入离散数据拟合领域，将小波函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。
Both the rational functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.
把有理函数引入离散数据拟合方法中，将有理函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。
In the past thirty years, the work-horse algorithms in the field of digital signal processing and communication have been the gradient descent algorithm and the least square algorithm.
在过去的三十年中，数字信号处理和数字通信领域中采用的主要优化算法是最速下降方法和最小二乘方法。
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