• 2022-06-09
    两组电压信号满足:u1(-t)=u2(t),则u1(t)与u2(t)傅里叶系数a1n,b1n,a2n,b2n(n=0,1,2,3……)之间的关系为:
    A: a1n=a2n,b1n=b2n
    B: a1n=a2n,b1n=-b2n
    C: a1n=-a2n,b1n=b2n
    D: a1n=-a2n,b1n=-b2n