This thesis mainly works on the normality of elementary subgroup of Unitarygroup over almost commutative rings.
本文主要对几乎可换环上酉群的基本子群的正规性进行了研究。
2
With the increase of the code rate, the production distance between the constellation of the unitarygroup code decreases rapidly and deteriorates the performance of the system.
随着码率的不断增加,酉空时码群中的各个星座点之间的乘积距离会变得越来越小,从而导致性能恶化。
3
Further theoretical analysis indicates that there is a conversation law only when unitary transformation symmetry group exist.