递归最小二乘 meaning in Chinese
rls ( recursive least square )
Examples
- The simulation shows that under the fast fading channel circumstance , the wrls - svm channel estimation can acquire the high error performance
仿真结果表明，在快衰落信道条件下，小波递归最小二乘支持向量机导频信道估计方法可以获得较好误码性能。 - Aiming at the lower performance and floor effect of the traditional orthogonal frequency division multiplexing channel estimation , the ofdm channel estimation algorithm based on wavelet recursive least square support vector machine ( wrls - svm ) is proposed
摘要针对传统多径衰落下的ofdm导频信道估计性能低下，地板效应的缺陷，提出了基于导频的小波递归最小二乘支持向量机( wrls - svm )时变信道频率估计算法。 - 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition , which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ) , is proposed for multi - path slow fading cdma channels . the computational complexity of this method is not only lower than that of the normal rls , but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection . and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods
3 、针对多径慢衰落信道下ds - cdma盲空时接收机中线性约束二次规划问题提出一种新的递归最小二乘算法，该算法完全避免因约束而引进的矩阵求逆运算(相对于常规的递归最小二乘算法) ，不但运算量比常规的要低，而且比基于rosen梯度投影实现的最小均方( lms )与最小二乘盲空时接收机算法还低，且收敛速度比基于rosen梯度投影实现的最小均方( lms )与最小二乘盲空时多用户检测都好，将提出的新的递归最小二乘算法与提出的数据选择方案结合起来可以进一步降低其运算量，具有很大的实用价值，最后通过仿真实验进一步分析了其性能。 - Combined with the data - selected schemes proposed , the computational complexity of this method can be lowered . the performance of the presented rls method is analyzed by simulations , and it is shown that this method is interesting for application . 4 time - selective channel signal model based on multipath - doppler diversity representation is given in multi - path fast fading channel , and rls space - time receiver algorithm based on time - varied constraint condition is presented and the computational complexity of this method is analyzed
4 、针对多径快衰落信道下的ds - cdma系统，给出了基于多径-多谱勒观点描述的1百安电弓卜科东兔j忆学协士学位论文时间选择性信道的信号模型，提出了基于变约束条件下的递归最小二乘空时接收机算法并分析算法的运算量，最后通过仿真分析了所提出的方法的性能。 - The output sinr limitations of mmse and constrained mmoe optimal filter are derived in the cirsumstance aforementioned . these limitations constitute the base of the code - aided optimal filtering and nbi estimate - subtract filtering . this dissertation summarize the recursive least squares ( rls ) algorithm , blind recursive least squares algorithm and the qr decomposing for these two algorithms
为自适应实现码辅助最优滤波,本文系统总结了递归最小二乘( rls )和盲递归最小二乘( brls )算法,以及两者基于正交三角分解( qrd )的并行计算结构。