首页> 外国专利> Method and apparatus for processing a composite signal including a desired spread spectrum signal and an undesired narrower-band interfering signal

Method and apparatus for processing a composite signal including a desired spread spectrum signal and an undesired narrower-band interfering signal

机译：用于处理包括期望的扩频信号和不期望的窄带干扰信号的复合信号的方法和设备

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摘要

A method and apparatus (400) process a composite signal (202) comprising a spread spectrum signal and an interfering signal (204) to determine the center frequency of the interfering signal, and to shift the composite signal by an amount determined from the characteristic frequency of the interfering signal, thereby creating a shifted composite signal (146) in which the frequency of the interfering signal is a predetermined frequency. The method and apparatus then filters the shifted composite signal to remove the interfering signal, thereby creating an interference-free shifted signal (148), and reshifts the interference-free shifted signal by the amount determined from the characteristic frequency of the interfering signal, thereby recovering the desired spread spectrum signal.

机译：一种方法和设备（ 400 ）处理包含扩频信号和干扰信号（ 204 ）的复合信号（ 202 ），以确定干扰信号的中心频率，并将复合信号偏移由干扰信号的特征频率确定的量，从而生成偏移后的复合信号（ 146 ），其中干扰信号的频率是预定频率。然后，该方法和装置对经移位的合成信号进行滤波以去除干扰信号，从而创建无干扰的移位信号（ 148 ），并将无干扰的移位信号重新移位根据特性确定的量。干扰信号的频率，从而恢复所需的扩频信号。 展开▼

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公开/公告号US2004057503A1

专利类型

公开/公告日2004-03-25

原文格式PDF

申请/专利权人 MOTOROLA INC.;
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申请/专利号US20020253628

发明设计人 BRIAN TODD KELLEY;
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申请日2002-09-24

分类号H04B1/69;

国家 US

入库时间 2022-08-21 23:16:35

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