采用快速离散富里叶变换处理信号；
The mathematical means of discrete Fast Fourier Transform is used in signal processing.
实运算快速付里叶变换法简称RFT方法。
Real operational fast Fourier transformation is called RFT method for short.
推导出共轭对称序列的快速付里叶变换FFT具有相位为零的特性；
It is derived that the phase of the FFT for a conjugate-symmetric sequence is zero.
对其通过自由空间和付里叶变换系统特殊情况的传输作了分析和讨论。
Free space propagation and Fourier transfer system are also analyzed and discussed as particular cases.
介绍了利用快速富里叶变换(FFT)计算离散数学模型频率特性的方法。
A method of using fast Fourier transformation (FFT) to calculate the frequency characteristics of discrete mathematical model is introduced.
本文详细地介绍了利用二维离散付里叶变换(DFT)进行图象复原的方法。
In this paper, the method for carrying out the image reconstruction by means of the 2-dimensional discrete Fourier transform (DFT) is introduced in detail.
本文采用一种新的傅里叶分析技术—算术傅里叶变换(aft)来计算dft。
In this paper, a new Fourier analysis technique called the arithmetic Fourier transform (AFT) is used to compute DFT.
本文提出一种新的富里叶变换平滑算法并应用于处理阶梯扫描伏安法的实验数据。
A new algorithm which performs Fourier transform smoothing has been presented and applied to data of staircase voltammetry.
本文介绍一种计算离散付里叶变换的新算法，并通过例子说明这种算法的实用性。
This paper introduces an affective algorithm in which we make use of the Fourier transform to find out the Discrete Fourier transform, and to explain the usage of this algorithm by examples.
本文从理论和实验上应用4F富里叶变换透镜系统，把三维物场转换为三维象场。
In this paper three-dimensional object field can be transformed into three-dimensional image field by the 4f Fourier lens system according to the theory and experiment.
基于反转恢复法建立质子nmr二维时域数据，经双重付里叶变换获得二维频域数据。
Proton NMR two dimensional time-domain data are collected based on the inversion-recovery technique. Double Fourier transformation of those data yields the two dimensional frequency-domain data.
将付里叶变换法运用于电子束曝光的邻近效应校正中，形成了快速、准确的剂量校正法。
By Fourier transform, produces a fast and accurate calculation for dose precompensation in proximity effect correction for electron beam lithography.
本文利用二维付里叶变换对图象中网络构造的频谱作了数学分析，并指出了它的方向特点。
The spatial spectra of net rift for image processing have been mathematically analysed by means of 2d Fourier transform. Its directional property has been found.
首先利用付里叶变换，使问题的求解转换成对一对变量为裂纹面上位移差的对偶积分方程的求解。
By using the Fourier transform, the problem can be solved with a pair of dual integral equations in which the unknown variable is the jump of displacements across the crack surfaces.
频域分析借助于快速富里叶变换分析（FFTA）过程，并用由计算机生成的数学模型进行测试。
The frequency-domain analysis is accomplished by fast-Fourier transform analysis(FFTA)procedures and tested with a computergenerated mathematical model.
本文提出了用光学处理器完成干涉图的傅里叶变换，从而实现全光学的傅里叶分光光度计的新技术。
In this paper we present a new technique for accomplishing the Fourier transformation of interferograms via total optical means.
因此，根据傅里叶变换的共轭对称性，提出了更具有一般性的长方环傅里叶周向谱能量百分比新算法。
So a new algorithm with rectangle loops Fourier spectral energy percentage is proposed by analyzing the conjugate symmetry of Fourier transform.
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。
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.
本文介绍自回归谱分析法的另一种算法—前后向最小二乘法(LS算法)在亚毫米波付里叶变换谱中的应用。
The least square algorithm using forward and backward linear prediction (LS algorithm) for the autoregressive spectral estimates of the SMMW Fourier transform spectroscopy data is presented.
分析表明，基于离散付里叶变换原理的相位测量方法具有测量精度高、抗干扰能力强、电路设计简单等特点。
The analysis shows, compared with the traditional methods, the DFT method is characterized with high measuring accuracy, favorable anti-disturbance ability and simple circuitry.
这个方法是根据周期函数的傅里叶级数的性质和利用数学的抽象性质，直接推导出另外三种形式的傅里叶变换。
According the basic properties of Fourier series of period function and using of the abstract nature of mathematics, the method directly derives other 3 kinds of Fourier transform.
本文应用谐波分析法分析了圆度误差，提出了一种圆度误差的简便分析方法，最后讨论了快速富里叶变换的应用。
Using harmonic analysis, the roundness error is analysed. A handy analytical method of roundness error is presented. Then the application of FFT is discussed.
在双子格模型中，运用HP变换、付里叶变换和玻戈留波夫变换，将简单亚铁磁体的海森伯交换作用哈密顿量对角化。
In the two-sublattice model, the Heisenberg exchange interaction Hamiltonian of the simple ferrimagnetic crystal can be made diagonalization by the use of HP, Fourier and Bogoliubov transformation.
文章讨论了基于ADSP2 1 0 6x的四种多处理器并行处理器的实现方法，并给出了在快速付里叶变换中的应用实例。
In this paper, four classes different multi-processors parallel DSP system based on ADSP2106X have been discussed. The application of parallel DSP in FFT algorithm is also illustrated.
傅里叶红外光谱法可用于细胞和组织等复杂体系的研究，本文主要综述了近年来傅里叶变换红外光谱法在癌症早期诊断中的应用探索。
Fourier infrared spectroscopy is used in the research of complex cells and tissues. The recent applications of Fourier infrared spectroscopy on the early diagnosis of cancer were reviewed.
该方法对图像分别进行一次菲涅耳变换和分数傅里叶变换，并在图像的菲涅耳域和分数傅里叶域上分别利用随机相位版施行相位编码。
In this paper, image is Fresnel transformed and Fractional Fourier transformed successively, and phase encoding is implemented in both Fresnel domain and Fractional Fourier domain.
我们提出基于傅里叶模式估计的二维波前重建算法，利用最小二乘拟合原理，可以计算出待测波前的傅里叶变换系数，从而恢复原始波前。
In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use of least-square fitting.
在系统理论中，付里叶分析与付里叶变换的工具使我们能够对一个线性时不变系统在正弦激励下的响应进行分析，比如一个电路对正弦输入下的响应。
In the theory of the system, the tools of Fourier analysis or Fourier transform enable us to analyze the response of a LTI system, such as a circuit, to such sinusoidal inputs.
在系统理论中，付里叶分析与付里叶变换的工具使我们能够对一个线性时不变系统在正弦激励下的响应进行分析，比如一个电路对正弦输入下的响应。
In the theory of the system, the tools of Fourier analysis or Fourier transform enable us to analyze the response of a LTI system, such as a circuit, to such sinusoidal inputs.
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