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| X(\tau,f_d)|^2=| (1-\frac{|\tau|}{\tau_0})\frac{sin(\pi f_d(\tau_0 - |\tau|))}{\pi f_d(\tau_0-|\tau|)}|^2
∣X(τ,fd)∣2=∣(1−τ0∣τ∣)πfd(τ0−∣τ∣)sin(πfd(τ0−∣τ∣))∣2
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| X(\tau,f_d)|^2=| (1-\frac{|\tau|}{\tau_0})\frac{sin(\pi \tau_0(\mu\tau + f_d) (1-\frac{|\tau|}{\tau_0}))}{\pi \tau_0(\mu \tau-f_d)(1-\frac{|\tau|}{\tau_0})}|^2
∣X(τ,fd)∣2=∣(1−τ0∣τ∣)πτ0(μτ−fd)(1−τ0∣τ∣)sin(πτ0(μτ+fd)(1−τ0∣τ∣))∣2
OFDM信号由多路彼此正交信号构成,其受相位编码调制,因此需套用原始公式进行仿真,仿真结果如下
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