By means of the approach of look-up table and Lagrange? Multiplier bisect searching, this algorithm can be convergent to the optimal point of power rapidly.
该算法使用了一种有效的表格查找和拉格朗日乘法器对分搜索办法，能够较快的收敛到最佳的功率点。
Based on the characteristic of multi-path frequency selective channel, the algorithm combines rapid table lookup and Lagrange-multiplier method to iteratively search the optimal bit allocation scheme.
算法根据多径信道选择性衰落的特性，结合查表法和拉格朗日乘子的混合迭代搜索法，最优地分配各个子载波的传输比特数。
After developing Lagrange multiplier algorithm, we provide steps to obtain the optimal desampling FIR filter.
在对拉格朗日乘子法做了详细的推导后给出了FIR滤波器求解的步骤。
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