題組內容

2. An angle-modulated signal is described by $$x_c(t) = 10 \cos[2\pi(10^6)t + 0.1 \sin(10^3)\pi t]$$

(b) \( (10\%) \) Consider \( x_{c}(t) \) as an FM signal with its frequency deviation constant \( k_{f} = 10\pi \). Find modulating signal \( m(t) \).