倍频程频带的英文

例句与用法

1. Electroacoustics - octave - band and fractional - octave - band filters iec 61260 : 1995 a1 : 2001 ; german version en 61260 : 1995 a1 : 2001
   电声学.倍频程频带和分倍频程频带滤波器
2. Without much theoretical deduction in this dissertation , we focus mainly on the several characteristics of wavelet , such as the localization in both the spatial and the frequency domain derived from the compact support in the two domains ; the rnultiresolution representation property ; and the octave divided frequency property , etc . after a brief overview of the principles and methods of image compression , video coding algorithms are introduced including 3 - d wavelet video coding and 2 - d wavelet video coding . based on the above , the research of this dissertation consists of three aspect : firstly , the 3d - spiht algorithm is modified which optimizes bit allocation
   具体说，本论文包括以下内容：首先，本文分析介绍了小波理论，文中没有过多的理论推导，而是从小波具有的一些特性，如时频局部性、多分辨率分解特性和倍频程频带分解特性入手，力求对小波变换有一个宏观的了解。其次，介绍了基于小波的图像编码的原理和常用的编码方法。最后，介绍了基于小波的视频编码的方法，一种是基于3 ? d小波视频编码，另一种是基于2 ? d的小波视频编码方法。