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conjugate symmetry
相关语句
  共轭对称性
     By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry.
     通过合理地选择坐标轴,使对称连杆曲线的离散数据满足共轭对称性
短句来源
     By properly setting the coordinate axis,the discrete data of a symmetric coupler curve is made to satisfy the conjugate symmetry.
     通过合理地选择坐标轴,使对称连杆曲线的离散数据满足共轭对称性
短句来源
     Assuming that the point spread function(PSF) is circular symmetry and considering that the image is actually complex conjugate symmetry in frequency domain, authors establish a new cost function in frequency domain.
     算法假设退化系统的点扩散函数具有圆对称性 ,并考虑图像的频域具有复共轭对称性 ,在频域里建立了新的优化判据 ;
短句来源
     So a new algorithm with rectangle loops Fourier spectral energy percentage is proposed by analyzing the conjugate symmetry of Fourier transform.
     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。
短句来源
     In this work,an automated free-scan-reference method was proposed to reduce ghost artifact using the conjugate symmetry of the raw data in k-space.
     本研究提出了一个利用K空间原始数据的共轭对称性来消除ghost伪影的方法,且可以自动进行而不需要参考扫描。
短句来源
  共轭对称
     The fractional error estimation part analyzes the performance of SCA and conjugate symmetry algorithm. After comparing the performance of the two algorithms, we choose SCA, which has a larger estimation range and smaller error.
     其中小数频偏估计部分详细分析了SCA算法和共轭对称算法的性能,再作出比较之后,选择了估计范围大,误差小的SCA算法;
短句来源
     They are α m lm′ l ′s invariance of translation,the central conjugate symmetry of V s or V f on space,and the symmetric sparse matrix sparse and equivalency between V s and V f while using Galerking method.
     它们分别是 :αmlm′l具有平移不变性 ,Vs 和Vf 在角谱空间中共轭对称 ,使用Galerkin法时 Asparse为对称矩阵并且Vs 和Vf 相等 .
短句来源
  “conjugate symmetry”译为未确定词的双语例句
     A Method of Ghost Artifact Removing Based on MRI K-space Conjugate Symmetry
     基于K空间对称性的Ghost伪影消除方法
短句来源
     In this paper, a novel algorithm, namely "a method to remove the Ghost artifact base on the K-space conjugate symmetry", is
     我们利用K空间这个性质用K空间的中间三行数据来估算出引起Ghost伪影的各行K空间数据的相位差,然后将含伪影K空间数据每行数据都乘以这个相位差的相
短句来源
     The proposed method utilized the conjugate symmetry of the K-space to estimate the phase difference between the odd lines and even lines of the K-space.
     理想的K空间数据是共轭对称的。
短句来源
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  conjugate symmetry
The paper proposes a new method for computation of the Wigner-Ville distribution(WVD) taking account of the conjugate symmetry of the WVD kernel function and the periodicity and symmetry of the trigonometric function.
      
The complex conjugate symmetry can be resolved by acquiring the imaginary component of the interferogram using phase shifting techniques.
      
This produces the results for two columns at once from one column using conjugate symmetry.
      
This time domain signal will, in turn, be entirely real owing to the conjugate symmetry of X.
      
One would get an equivalent constraint for the other half based on the conjugate symmetry.
      
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In order to study the breakdown of the cross-conjugate symmetry, the spectra of the crossconjugate pairs ~(42)Ca-~(54)Fe and ~(42)Sc-~(54)Co are calculated by means of the Green function method, using the matrix elements of M-3Y force as the equivalent G-matrix elements. The results agree with the experimental values fairly well, and it shows that the Green function method is an effective one to take account of the correlation effects involved in the breakdown of the cross-conjugate symmetry.

本文采用M-3Y力等效G矩阵,用格林函数方法对交叉共厄核对~(42)Ca-~(54)Fe、~(42)Sc-~(54)Co的能谱进行了较详细的计算和讨论。计算结果与实验能谱的符合程度令人满意,且很好地解释了交叉共厄核对间能谱的差异。从而表明,格林函数方法是解决交叉共厄核对对称性打破问题的有效方法。

This paper studied on real-time computation of generalized time-frequency representations (GTFRs )and its optimizing. From the conception of generalized local autocorrelation,we discuss the problem that real-time computation of GTFRs can be performed by means of short time processing. Furthermore,this paper proposes an algorithm optimized in such two aspects as: (1) reducing the computational complexity more than twice by taking advantage of conjugated symmetry of the kernel function for some GTFRs ; (2)...

This paper studied on real-time computation of generalized time-frequency representations (GTFRs )and its optimizing. From the conception of generalized local autocorrelation,we discuss the problem that real-time computation of GTFRs can be performed by means of short time processing. Furthermore,this paper proposes an algorithm optimized in such two aspects as: (1) reducing the computational complexity more than twice by taking advantage of conjugated symmetry of the kernel function for some GTFRs ; (2) deducing a time domain recursive algorithm for the computation of analytic signals accurately with any frame shift interval.

本文研究了广义时频表示的实时实现算法及其算法优化问题.从广义局域自相关函数的物理意义出发,论证了广义时频表示的实时计算采用短时处理技术的可行性.并从两处着眼优化了算法,一是利用核函数共轭对称性,使时颁表示的计算复杂度降低一半多;二是在计算解析信号过程中,给出了以任意帧移间隔的时域递推算法,进一步减少了实时算法的计算量.

This paper studies the FFT analysis and the synthesis method of the symmet- ric coupler curves in mechanism. By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry. Derivation is made about the nature of the FFT for a conjugate-symmetric sequence that its phase is zero. The characteristic values are established of a symmetric coupler curve consisting only of the am- plitudes. For a given desired symmetric kinetic path, the...

This paper studies the FFT analysis and the synthesis method of the symmet- ric coupler curves in mechanism. By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry. Derivation is made about the nature of the FFT for a conjugate-symmetric sequence that its phase is zero. The characteristic values are established of a symmetric coupler curve consisting only of the am- plitudes. For a given desired symmetric kinetic path, the characteristic values of the coupler curves are compared by using the least square method, so that the synthesis of the coupler curve and the corresponding linkage are achieved and their efficiency and accuracy improved.

本文对机构学中对称连杆曲线的FFT分析和综合方法进行了研究。通过合理地选择坐标轴,使对称连杆曲线的离散数据满足共轭对称性。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;建立了单纯由幅度谱值构成的对称连杆曲线的特征参数。对给定需实现的对称运动轨迹,运用最小二乘法进行曲线特征参数的比较,实现连杆曲线及相应机构的综合,提高了效率和精度。

 
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