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1·R2 generally increases when a regressor is added to a regression.

当回归中加入另外的解释变量时，R2通常会上升。

2·The condition, which they imposed on the distribution of the regressor variable X in their construction of the estimators, is very restrictive.

但在把他们的估计中，对自变量的分布加上了很强的限制性条件。

3·For increasing the speed of convergence of the signed regressor constant modulus algorithm (SRCMA), a fast SRCMA algorithm suitable for real BPSK signals is presented.

为了加快符号回归常数模算法(SRCMA)的收敛速度，本文提出了一种适合于BPS K信号的快速算法。