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1.The two-dimensional discrete sine transform (2-D DST) finds important applications in digital image processing.
二维离散正弦变换(2DDST)在数字图象处理中有重要应用。收藏指正
2.The improved AFT algorithms for even and odd functions can also be used for computing discrete cosine transform (DCT) and discrete sine transform (DST),respectively.
本文改进的偶函数和奇函数的AFT算法还分别可以用来计算离散余弦变换 (DCT)和离散正弦变换 (DST) .收藏指正
3.In this paper the fast recursive algorithm for the one-di-mensional discrete sine transform-Ⅱ(1-D DST-Ⅱ) suggested in [6] is extended to two dimensions using the vector-radix decomposition to obtain a fast algorithm for decimation-in-frequency, (2m×2m) -point,vector-radix,two-dimensional discrete sine transform-Ⅱ.
将一维离散正弦变换-Ⅱ(1DDST-Ⅱ)的快速递归算法推广到二维,提出了一种按频率抽取的2m×2m点矢量基二维离散正弦变换-Ⅱ的快速算法。收藏指正
4.Due to the separability of the DST kernel,the 2-D DST can be usually computed by use of the row-column method and a one-dimensional fast sine transform (1-D FST) algorithm.
由于DST核的可分离性,2DDST通常可用行列法由一维快速正弦变换(1DFST)算法计算。收藏指正
5.A new method in the cepstrum analysis and Pitch extraction, in which the Discrete Cosine/Sine Transform (DCT/DST)has been introduced into the cepstrum technique, is proposed. DCT/DST has taken the place of DFT which was used in the conventional cepstrum technique.
本文提出了倒谱分析和基频提取的新方法,即把离散余弦或正弦变换引入到倒谱分析上来,把原倒谱分析中所用的离散付氏变换(DFT)用离散余弦/正弦变换(DCT/DST)代替.收藏指正
6.Then, a semi-analytical solution for the velocity response of the pile subjected to a semi-sine wave exciting force was derived by using invert Fourier transform.
利用付立叶逆变换,给出了半正弦脉冲激励下桩顶速度时域响应半解析解。收藏指正
7.A Fourier transform is a way of looking at a time series as a sum of sine waves at different frequencies.
傅里叶变换是一种把它看成不同频率的正弦波的级数和的方式。->傅里叶变换是一种将时域序列看成是不同频率的级数和(即频域序列)的方法。收藏指正
8.The device introduced can transform 12 V DC into 220 V/50 Hz AC by making use of sine pulse width modulating signals produced by the SG3525.
该电源利用脉宽调制器芯片SG3525产生正弦脉宽调制信号,实现了由直流12V到交流220V/50Hz的转换.收藏指正
9.By employing the Fourier Bessel theorem to plane wave functions and through a series of deduction and inverse Fourier transform,one kind of series expansions of the product of Bessel functions and sine/cosine function in Cartesian coordinates is obtained. This expression can be used to compute the rectangular to circular waveguide junction and to analytically deduce its generatized S parameters,which are in good agreement with results from other papers and HFSS.
根据对平面波函数运用Fourier Bessel定理 ,经过一系列推导并进行反Fourier变换 ,得到了直角坐标系下Bessel函数与三角函数之积的一种级数展开 ,该表达式应用到矩 圆波导结的计算中 ,能解析地推出其广义S参数 ,得到与文献和HFSS软件较为一致的结果 .收藏指正
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