After analyzing the spectrum of a group of signals, non-polar differentialexponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析，提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
2
In this paper, we investigate the iterated order and iterated convergence exponent to zero sequence of the solutions of some classes of differential equations.
本文研究了几类微分方程解的迭代增长级及零点迭代收敛指数。
3
The hyper order, the exponent of convergence and the hyper-exponent of convergence of zeros of solutions for some types of K-order linear differential equations with entire coefficients are discussed.