反变换 meaning in English
inverse transformation
inverse z-transform z
reverse transformation
Examples
- This method enhances the transformed wavelet coefficient , strengthen the wavelet coefficient which reflects the outline of the image , while weaken the one which reflects the details of the image . then it transforms the wavelet coefficient in a reverse way , therefore to get the enhanced image
对变换后的小波系数进行增强处理,突出反映图像轮廓的小波系数,弱化反映图像细节的小波系数,然后对小波系数进行反变换,得到增强的图像。 - This dissertation presents the study of several issues in video coding and its hardware implementation . a novel hardware - based video coding system is proposed based on the itu - t h . 263 recommendation . some key techniques such as discrete cosine transform ( dct ) and its inverse ( jdct ) and motion estimation are studied in detail
本文介绍了作者在视频压缩编码及其硬件实现方面的研究，研究了itu - th . 263建议的视频编码标准，并在该建议的基础上提出了一种基于硬件实现的视频编码器结构，对于离散余弦变换( dct )反变换( idct ) 、运动估值等关键技术做了深入研究，并在此基础上提出了dct idct和运动估值的硬件实现方案。 - Images of huanghua pears were acquired by means of machine vision system the method to describe the shape of irregular fruit was studied , in which the fourier transform and fourier inverse transform were applied a sort of software for fruit shape identification based on artificial neural network was developed
利用机器视觉采集黄花梨图像，研究了不规则果品的形状描述方法，提出在黄花梨的分级过程中采用傅立叶变换与傅立叶反变换对来描述果形，开发了基于人工神经网络的果形识别软件。 - With the development of dsp chip techniques and the introduction of some mature techniques , such as fft / ifft , the application of 64 / 128 / 256 qam in high - speed modem , tcm , adaptive channel equalization , the insertion of guard interval and so on , people are starting to focus on the application of ofdm in the field of mobile communications
随著dsp芯片技术的发展，傅立叶变换反变换、高速modem采用的64 128 256qam技术、栅格编码技术、软判决技术、信道自适应技术、插入保护时段、减少均衡计算量等成熟技术的逐步引入，人们开始集中越来越多的精力开发ofdm技术在移动通信领域的应用。 - However , to the essential of communication technology , those techniques are all change in transmission medium or channel . recently , because of the development of dsp , ifft / fft , 46 / 128 / 256qam using in high - speed modem , and gradual introduction of new coding technique , soft decision technique , channel self - adapting , guard interval , ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention . as a technology of high - speed transmission , ofdm can resist isi effectively
近年来，随着dsp芯片技术的发展，傅立叶变换反变换、高速modem采用的64 128 256qam技术、栅格编码技术、软判决技术、信道自适应技术、插入保护时段、减少均衡计算量等成熟技术的逐步引入，正交频分复用ofdm ( orthogonalfrequencydivisionmultiplexing )作为一种可以有效对抗信号波形间干扰的高速传输技术，引起了广泛关注。