基于全通函数的线性相位参量均衡器的设计，一阶低通均衡器到二阶带通均衡器，对峰值均衡的实际值与理论值进行仿真-All pass function for linear phase parametric equalizer design based on, first order low pass equalizer to second-order passband equalizer, on peak equilibrium of the actual value and theoretical