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1·The analytical and experimental results are very useful for the rational use of Fourier spectrum analysis system.

文中的分析与结论对频谱分析系统的正确使用具有指导意义和实用价值。

2·The Fourier spectrum of the wave moment shows that high frequency components will appear and they may cause ringing.

分析结果表明，极端波浪作用下的波浪力矩包含高频成分，是结构物可能产生高频共振响应的原因。

3·Differing from the traditional theories of stock market cycle, we used the Fourier spectrum analysis method to forecast the cycle.

不同于传统股市周期理论，本文使用傅里叶谱分析技术来模拟预报股市周期。

4·The structure of collagen was identified with Fourier Spectrum, and the aminophenol of collagen was assayed with high performance liquid chromatography.

并利用傅立叶变换红外光谱对胶原结构进行鉴定，同时采用高效液相色谱对所提胶原蛋白进行氨基酸组成分析。

5·Based on the lateral Moire fringe of the gratings, the change of Moire fringe was researched by using Fourier spectrum while the frequency of a grating was changed.

用傅里叶频谱分析方法研究了横向莫尔条纹中一个光栅倍频时莫尔条纹的变化。

6·The transformation features and Fourier spectrum of odd-periodic perfect almost binary sequence pair are studied. Some combined admissibility conditions are also given out.

同时研究了奇周期最佳几乎二进序列偶的变换性质和频谱特性，给出了一些组合允许条件。

7·In this paper, main problems that face the Fourier spectrum analysis method and parameter model spectrum analysis method are described from the viewpoint of engineering application.

本文从工程应用的角度叙述了以付里叶变换为基础的谱分析方法和参数模型谱分析方法所面临的主要问题。

8·This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).

本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。

9·Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.

物理含义：能量信号的自相关函数与能量谱密度函数构成傅立叶变换对。

10·A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.

根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息，包括其形貌特征。