1) Fourier sine transform
有限付氏正弦变换
1.
Then it solves the partial differential equation by using finite Fourier sine transform.
首先,本文将描述矩形域上的双曲扁壳体的偏微分方程组的定解问题,简化为偏微分方程的定解问题;第二,用有限付氏正弦变换求得简化后的偏微方程定解问题的解,从而,得到原定解问题的解。
2) finite sine transform
有限正弦变换
1.
In this paper,the problem of a finite ciycular cylinder with a penny-shaped crack is considered, which is reduced to the solution of a Fredholm integral equation of the second kind by using Hankel and finite sine transform.
通过使用汉克尔和有限正弦变换，问题化为一个第二类Ｆｒｅｄｈｏｌｍ积分方程的求解，对于小的裂纹半径对圆柱体长度比值，利用积分方程的迭代，求得到ＫⅠ的幂级数表达式。
3) finite sine and cosine transforms
有限正弦和有限余弦变化变换
4) fourier transform
付氏变换
1.
n this paper, based on a windowing signal analysis with Fourier transform, the phase error caused by leakage has been investigated.
本文在分析加窗信号的付氏变换基础上，探讨了由泄漏引起的相位误差，给出了ＦＦＴ相位误差分布规律的解析表达式，并且对典型情况作了深入的讨论。
5) Sinite dimensional Fourier transform
有限傅氏变换
6) sine transform
正弦变换
1.
Propose mathematical expression of fractional cosine transforms based on different character values,give the reason of multiplicity and analyze the relationship of fractional cosine,sine transforms and fractional Fourier transform.
根据分数傅立叶变换的定义,分析了分数阶算子的分数化过程,给出了基于不同特征值的分数阶余弦变换的数学表达,指出了多样性的根源,在此基础了又分析了分数阶余弦和正弦变换与分数傅立叶变换之间的关系,找出了这种数学表达式下的它们具有的共同性质,找到了分数阶余弦变换多样性的统一。
2.
By defining the generalized cosine,sine transform and using the pairity of function,the corresponding relations between the generalized cosine,sine transform and the generalized Fourier transform under full time domain are discussed,as well as the symmetry of the generalized cosine and sine transform.
通过定义广义余弦和正弦变换,利用函数的奇偶性,探讨了广义余弦、正弦变换与全时域下广义Fourier变换的对应关系以及广义余弦、正弦变换的对称性。
补充资料：Fourier正弦变换
Fourier正弦变换
Fourier sine transform
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条