inverse transform
逆变换：在数学和信号处理领域
常用释义
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基本释义
- 逆变换：在数学和信号处理领域，逆变换是将一个已经经过变换的函数或信号恢复到其原始状态的过程。
例句
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1·We improved arithmetics of Mercator mapping transform and inverse transform.改进了墨卡托变换与逆变换算法。
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2·At last, the traffic flow forecasting data were obtained by an inverse transform.最后将其转换为交通流量数据，得到预测结果。
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3·Finally, the results after acoustic wave sup- pression are obtained through an inverse transform.最后，再通过逆转换得到声波压制后的结果。
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4·The non-inverse transform maps a point from before the effect is applied to after the effect is applied.非反向转换将一个点从应用效果前映射到应用效果后的状态。
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5·The experimental result shows: In the digital Fourier holography, the reconstructed image and the conjugate image can be obtained by use of Fourier inverse transform directly.结果表明：直接对无透镜傅里叶数字全息图进行傅里叶逆变换可同时得到与物体完全相同的再现像及其共轭像；
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6·This paper discusses the duality of this kind of linear invertible transform, and gives the general expression for the duality between the transform and the inverse transform.本文讨论了这样一类线性可逆变换的对偶性，给出了正反变换之间对偶关系的一般表示式；
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7·The main generation methods consist of mixed congruence method, inverse transform method, function transform method and refuse-accept method, which are illustrated by means of giving several examples.主要介绍了雷达模拟器的结构与功能，并阐述利用数学方法产生的伪随机分布函数，主要生成方法有混合同余法、逆变换法、函数变换法和拒绝-接收法，并进行举例说明。
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8·Finally, the marked virtual images are gotten with inverse wavelet transform and a new group of control points is obtained based on the pixel value of the virtual image.最后，进行小波逆变换，得到含有水印信息的虚拟图像，根据虚拟图像中的象素值就可以得到一组新的控制顶点坐标。
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9·The author has discussed two integral transforms for 2.5-D transient electromagnetic forward modeling, namely, inverse Fourier transform and inverse Laplace transform.这里讨论了瞬变电磁法2.5维正演模拟中的两个积分变换：傅里叶逆变换和拉普拉斯逆变换。
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10·The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。