The real data verification shows that the wavelet , reflection factor and acoustic impedance given by PCGA are more accurate , quicker convergent and value stable than the existing direct sparse inversion method .
用实际数据检验算法，表明预条件共轭梯度法反演的子波、反射系数和波阻抗要比直接稀疏反演精度高、收敛快、数值稳定。
PCGA