4 项 Blackman-Harris 窗最低旁瓣峰值电平(-92dB)
w(n)=0.35875-0.48829cos(2 π n/N)+0.14128cos(4 π n/N)-0.01168
cos(6πn/N)
双谱线修正公式
V(a)=2.61979085 a+0.2865675a^3+0.1283a^5+0.08024a^7
Hanning 窗
w(n)=0.5-0.5cos(2πn/N)
双谱线插值拟合
V(a)=2.35619403+1.1554368a^2+0.32607873 a^4+0.0789146 a^6
Hamming 窗
w(n)=0.54-0.46cos(2πn/N)
双谱线修正公式
V(a)=2.26557103+1.22719978a^2+0.37607775a^4+0.0976739a^6
Blackman 窗
w(n)=0.42-0.5cos(2πn/N)+0.08cos(4πn/N)
双谱线修正公式
V(a)=2.70205774+1.071151a^2+0.23361915a^4+0.0401767a^6
评论15