A kind of dfe structure using se iteration form is proposed here to accelerate its convergence rate , and its ability to adapt the nonstationary environment is also improved 提出了一種利用超指數(shù)迭代算法,以加速判決反饋結構算法收斂速度的新算法,該算法對非平穩(wěn)環(huán)境的適應能力超過常模判決反饋算法。