第四讲锁相环路课后习题答案.pdf

1 2 3 4 1. 2. nn ( )() n n 3. 4. 2 (1) (2) θ e e t () 1. θ ∆ω −K sinθ e o e θ (t) 0 ( (t)t) e e θ (t) ≺0 e A B oK o K 2 o K v i ∆ω (ω −ω ) ∆ω i v o