The technologies including nonlinear compensation, scales conversion, algorithms of signal preprocessing, FFT spectrum analyzing is emphasized.
着重阐述了数据的非线性补偿技术、标度变换技术、信号预处理的各种算法、FFT谱分析技术。
2
Conclusion QRS detection rate can be greatly improved when specific QRS template is obtained from the nonlinear transformation of the different wavelet scales.
结论综合利用小波变换不同尺度进行非线性变换所得到的模板可以显著提高QRS复合波的检测率。
3
The reductive perturbation method of multiple-scales is used to investigate the weak nonlinear modulation of the stress wave on the wall of a fluid-filled elastic circular tube.