qmf造句

• Quadrature mirror filter qmf
  正交镜象滤波器
• The reconstruction condition of two channel qmf banks is analyzed and the fir qmf banks are designed by windows function method
  重点给出各种用来设计原型滤波器的方法及快速实现结构。
• The reconstruction condition of two channel qmf banks is analyzed and the fir qmf banks are designed by windows function method
  重点给出各种用来设计原型滤波器的方法及快速实现结构。
• The perfect reconstruction condition is provided for multi-channel qmf banks . filter banks of tree structure are described
  树形结构滤波器组的基本原理及其与并形结构滤波器组的等效关系。
• The correct ccsid identifies the coded character set that is supported by your site s i o devices, local applications such as ims and qmf, and remote applications such as cics transaction server
  正确的ccsid指定您站点的i/o设备、诸如ims和qmf等本地应用程序以及诸如cicstransactionserver等远程应用程序所支持的编码字符集。
• In the next, we discuss the system of the meg-1 layer i . the paper centers on the two kernel sub-parts : filtering coding and psychoacoustic model, do some research work in sub-band coding ( cbc ) theory and the relate theory such as quadrature mirror filter ( qmf ) and analyse sub-band filter; also do research work in psychoacoustic theory especially the part related to the mpeg-1 layer i . in the third chapter, introduce the ti tms320c6000 series dsps and their characteristics, also about the software development flow and the ti dsp / bios operating system of it . the forth chapter is the most important, firstly, according the algorithm flow in protocol, using c language validate the algorithm; then, transplant and optimize the coding in dsp . in the processing of optimize, acording the assembler program characteristic of ti dsp, the paper put forward the analyse sub-band filter dsp optimization algorithm base on the eight spot idct . the algorithm has been optimize have greatly improved the work efficiency . make use of the technology of the dsp / bios host channels, data io pipe, software interrupt, we implement the musicam algorithm base on dsp / bios
  论文首先对当前语音编码技术的发展、分类以及mpeg系列音频标准作了介绍；接着在第二章，给出了layer的musicam(masking-patternuniversalsubbandintegratedcodingandmultiplexing)算法的系统组成，围绕分析子带滤波器和心理声学模型两个核心模块，深入研究了子带编码工作原理、比特分配及子带编码中用到的正交镜像滤波器和分析子带滤波器；探讨了心理声学基本原理和mpeg.1layer所用到的心理声学模型。第三章对titms320c6000系列dsp作了简介，介绍了6000系列dsp结构特点、c6000dsp软件开发流程和tidsp/bios操作系统。第四章是本文的重点，首先根据协议给出的算法用标准c语言编程实现并调试通过。
• We design the qmf based on the criteria of minimum frequency bandwidth and the qmf that possess linear phase, and give a example of a signal decomposed and restructured . 4 . in the research of channel dropping filters, we use 5 rank butterworth filter to approach the digital filter . we design lc unpower netwok and rc power network . we manufacture lc lowpass and highpass filter ， and test their performance; we simulate the appliance of the channel dropping filters in the system
  4.在频带分割滤波器的设计方法中，用5阶巴特沃斯滤波器逼近最小频宽正交镜像滤波器，对无源和有源滤波器进行了仿真设计；设计并制作了无源lc低通和高通滤波器，测试了它们的性能；并对分割滤波器在系统中的应用进行了计算机仿真。
• We design the qmf based on the criteria of minimum frequency bandwidth and the qmf that possess linear phase, and give a example of a signal decomposed and restructured . 4 . in the research of channel dropping filters, we use 5 rank butterworth filter to approach the digital filter . we design lc unpower netwok and rc power network . we manufacture lc lowpass and highpass filter ， and test their performance; we simulate the appliance of the channel dropping filters in the system
  4.在频带分割滤波器的设计方法中，用5阶巴特沃斯滤波器逼近最小频宽正交镜像滤波器，对无源和有源滤波器进行了仿真设计；设计并制作了无源lc低通和高通滤波器，测试了它们的性能；并对分割滤波器在系统中的应用进行了计算机仿真。