多采样率信号处理 meaning in English
multirate signal processing
Examples
- First , how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail , and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important . second , multi - sample rate signal processing which is an important basis of sdr is studied . emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基于中频采样的软件无线电结构框架下，首先详细探讨了软件无线电的前提条件，即如何对连续时间信号进行采样量化，比较分析了几种采样的方式，其中最为重要的是带通信号采样定理；然后探讨了软件无线电的一个重要基础，即多采样率信号处理，重点讨论其最基本的两个过程抽取和内插以及抽取器和内插器的实现；接着介绍了结构简单、适用于一级抽取的cic滤波器和适用于做2倍抽取的半带滤波器；再次论文在总结了传统的调制解调基础上，结合软件无线电器件的特点，系统的探讨并实现了基于正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交调制解调算法。 - In the thesis , i mainly discuss the digital if process theory of the sr . chapter 2 demonstrates the sampling and quantization theory of wideband if signal , and multiple rate signal processing theory - - - - including interpolation , decimation and oversampling . chapter 3 introduces the digital up ( down ) conversion between baseband - modulated and bandpass modulated signal through orthogonal modulating ( demodulating ) , at last , after discussing fir filter ' s properties and design methods , i give a design example
主要研究了基于软件无线电的数字中频处理技术理论:第二章介绍了中频信号的采样、量化理论；介绍多采样率信号处理中的抽取与内插相关理论；第三章介绍了基带调制信号与带通信号通过正交调制解调的数字上下变频技术；最后介绍fir滤波器的特点与设计方法，并列举一个实例说明。