But evolution also requires repeated replication and mutation to generate the variation upon which selection works to give adaptive solutions.
但是进化还需要反复复制和突变产生赖以选择的变异，从而给予适应性解决方案。
2
If the variation of input weak signal can be reflected by certain word length, the output SNR mainly depends on the word length of adaptive operations.
如果某个量化字长能反映出输出弱信号的变化，输出信噪比主要取决于自适应运算的字长。
3
In order to recover the message carrying signal at the receiving end, we use adaptive controller to compensate the variation of channel gain when the channel is time-varying.