最小相位信号可由其傅氏变换的幅度或相位来恢复。
A minimum phase signal can be recovered from the magnitude or phase of its Fourier transform.
应用了快速傅氏变换计算两个台记录的地震面波的互相关函数。
Fast Fourier transform has been applied for computing the cross-correlation of seismic surface waves for records at two stations.
利用傅氏变换频谱的自配准性质，实现线条型花纹的精确识别。
The line texture is identified precisely be making use of the auto-registration of the magnitude spectra.
这种方法是通过对光学傅氏变换所获得的一系列初始图像进行卷积。
A series of primary pictures are made by optical Fourier transformation and convolution operation.
在传统的信号与系统理论中，单边拉氏变换和傅氏变换关系存在瑕疵。
In traditional theory of signal and system, the relationship between single side Laplace transformation and Fourier transformation exists faults.
时域分析和傅氏变换的频域分析方法是现代铁路信号检测的主要方法之一。
Fourier transformation in time domain and frequency domain is one of the main methods for modern railway signal detection.
它是一种用分段逼近函数近似代替连续函数，作连续傅氏变换的近似算法。
It is an approximate algorithm of continuous Fourier transform in which some approaching functions of segments are approximately used instead of continuous functions.
讨论了傅氏变换应用于纹理识别的机理，并基于此提出了一种图象分割算法。
In this paper we discuss the mechanism of using Fourier transform on texture identification and then suggest a texture image segmentation algorithm based on Fourier transform.
众所周知，傅氏变换是研究物理波动现象、揭露其本质的一种有力的数学工具。
As is well known to everybody, the Fourier transformation is a validly mathematical tool in the research of wave theory and the revelation of its essence.
该文讨论傅氏变换中的二个时域积分特性，在求解频谱函数中的应用方法，并举例予以说明。
This paper discusses the application methods on solving frequency function and sets examples, in the two integral characters of time domain on Fourier conversion.
大地电磁资料处理方法大多数都是对一段记录做傅氏变换，构成功率谱后再求张量阻抗元素。
Most magnetotelluric data processing methods make the Fourier transform of a segment record to get a power spectrum then to solve for tensor impedance element.
分析了离散卷积，离散相关，离散傅氏变换的矩阵形式，以及各矩阵形式间存在着密切的关系。
This paper analyses the matrix representation of discretion convolution, discretion correlation, discretion Fourier transformation and their relations.
对于离散卷积方程组，一般采用傅氏变换的方法求解，但在某些特定系数的情况下，零频率丢失。
For discrete convolution equation set, generally, people use Fourier transform method to solve. But in some positions, zero frequency will lose.
“原子”解码算法只通过一次傅氏变换即完成解码；而整数傅氏变换避免了傅氏变换中最耗时的浮点运算。
The "atomic" algorithm performs decoding process using Fourier transformation only once and the integral Fourier transformation works without floating operation.
由于小波变换有效地克服了傅氏变换在处理非平稳的复杂信号时所存在的局限性，因而在图像与信号处理领域受到了广泛的重视。
Due to wavelet transforms efficiently overcoming the limitations of Fourier transform in dealing with unstable and complicated signal, they are popular in image compression and signal processing.
在传统的信号与系统理论中，单边拉氏变换和傅氏变换关系存在瑕疵。文中给出的单边拉氏变换和傅氏变换关系的理论克服了传统理论的瑕疵。
In traditional theory of signal and system, the relationship between single side Laplace transformation and Fourier transformation exists faults. The theory from this paper overcomes these faults.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
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