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。
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.
用行波变换方法和分叉理论研究里非线性薛定谔方程的定常解和定常解的稳定性。
Besides, the LQ theorem presented in this paper can be used to change a nonlinear single regression problem to a linear one by means of transformation of variables.
此外，本文提出的LQ定理使我们能用相关分析法，通过变量变换，把单因素非线性回归问题，化成线性形成来处理。
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