如果只考虑磁扰动的贡献，不同值的振动模的频率变化仅只是涨落磁场能谱的函数。
For the magnetic perturbation contribution, we obtain the frequency shift of modes with different degree as a function of the spectrum of fluctuating magnetic field.
用高斯函数拟会出谱线的形状，标出线心的波长值，作为自动证认的基础。
The Gauss function is used to fit the spectral lines, marking the central wavelengths, as a basis for automatic identification.
用体系的本征值和本征波函数定义一种新的量子谱函数。
A new quantum spectrum function is defined using the eigenvalues and eigenfunctions of the system considered.
据此，不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法，提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
本文用建立传递函数的方法，通过入射波浪谱(方向谱)得出群墩上作用力谱及特征值。
In this paper, by using the method of establishment a transfer function, the wave forces spectra on cylinders and the characteristics values are obtained from in incident wave spectra.
本文采用频响函数矩阵求逆法，辨识了立式机组动态力的幅值谱。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
并从减小栅栏效应带来的幅值估计误差的角度，设计了一个具有平顶窗谱的窗函数，分析对比了它和矩形窗函数的性能差异。
A window function which has a flat top in frequency domain is designed to correct the amplitude error caused by Picket_Fence effect.
并从减小栅栏效应带来的幅值估计误差的角度，设计了一个具有平顶窗谱的窗函数，分析对比了它和矩形窗函数的性能差异。
A window function which has a flat top in frequency domain is designed to correct the amplitude error caused by Picket_Fence effect.
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