Set up one time door limit prediction model of autoregression of array, study for nonlinearity of stock market this front field make new try a bit.
建立了一个时间序列的门限自回归的预测模型，为股票市场的非线性研究这一前沿领域作了一点新的尝试。
2
With a microwave field, nonlinear susceptibility can be enhanced. Nonlinearity can also be ulteriorly enhanced by controlling the coupling field under the optimal intensity of the microwave field.
与不存有微波场的原子系统获得的非线性极化率相比，本方案获得的非线性极化率可以提高许多倍。
3
It is found that the film thickness dependence of the dielectric nonlinearity is determined by that of the coercive electric field and the maximal polarization.