According to coupled wave theory, and from the non-linear differential equation describing characteristics of reflection hologram, the reflective coefficient of reflection hologram is analyzed.
根据耦合波理论，从描述反射全息的非线性微分方程出发，对反射全息图的振幅反射系数进行了分析。
AIM: to analyze the long term video electroencephalogram data with chaos theory according to non linear dynamical character of the changes of brain wave so as to predict epileptic seizure.
目的：应用脑电波变化的非线性动力学特征，以混沌理论对长时程视频脑电资料进行分析，以期预测癫痫发作。
Surface elevations and horizontal velocities Calculated or observed indicate that the non-linear wave theories provide better results than the linear wave theory.
数值计算的结果表明，对于波面高程和水平流速值，由非线性波理论所得的结果较线性波理论的结果为好。
Furthermore, we established a linear theory of the non-uniform slow wave structures and formulated the expression of the starting current.
进而建立了非均匀波纹慢波结构返波管的线性理论，给出非均匀慢波结构返波管中起振电流的计算表达式。
Furthermore, we established a linear theory of the non-uniform slow wave structures and formulated the expression of the starting current.
进而建立了非均匀波纹慢波结构返波管的线性理论，给出非均匀慢波结构返波管中起振电流的计算表达式。
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