【摘要】 本文讨论了有理调制指数下的2CPFSK的有限状态机模型,定义了信号星座并提出了一种较合理的集合分块映射方案。对于一维偶数阶调制系统,本文给出了卷积码的一个有效算法的平方欧氏距离的下界。这个下界在简单情况下是紧的,但一般情况下是否紧仍不知道。更多还原

【Abstract】 The finite state machine model for 2CPFSK with rational modulation index is discussed. The signal constellation and a set parfition mapping rule is proposed. A lower bound which has efficient algorithm is established for one dimension even order modulation systems. It is tie in simple case but whether in general is still unknown更多还原