In this paper, dynamical LMS algorithm and global optimization algorithm, with a view to gradient of error probability, are proposed based on analysis of sub-carries allocation space for OFDM system.
通过对OFDM的子信道比特分配空间进行分析，本文提出着眼于误比特概率梯度的动态lms算法和全局优化算法。
The results show that the dam slop is the most serious erosion belt in view of both gradient and slop length;
通过试验示范和调研分析，结果认为：无论从坡度或坡长的影响看，坝坡都属最严重的土壤侵蚀地带；
The paper studies the gradient-like property of the systems with feedback uncertainties from an input output point of view.
本文从输入输出的角度研究带有动态反馈不确定性系统的类梯度性。
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