英汉例句双语例句This paper proposed an improved subspace-tracking algorithm by the Givens rotation based delay-subspace tracking and the RLS filtering based amplitudes tracking.为此，在建立通用参数化信道模型的基础上，提出一种子空间跟踪的改进算法。givens rotation更多例句词组短语短语givens rotation algorithm givens 旋转算法givens rotation更多词组