A REAL-TIME ADAPTIVE LINE ENHANCER HARDWARE IMPLEMENTATION DESIGNED FOR A PLASMA ESTIMATION APPLICATION

被引：0
|
作者：
CURRENT, KW [1 ]
WAGNER, ML [1 ]
KANE, RJ [1 ]
JAIN, AK [1 ]
机构：
[1] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,DEPT ELECTR ENGN,LIVERMORE,CA 94550
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 1988年 / 65卷 / 04期
关键词：
One of the more common engineering problems is the detection and measurement of signals masked by noise. Under certain circumstances; an approach to extracting these signals is to use an adaptive noise canceller. The conventional noise canceller assumes two inputs: a reference noise signal and the primary signal containing the desired signal plus noise. In many practical applications the reference noise is not available as a separate source and the desired signal does not appear on the signal line continuously; but only after the known initiation of an experiment. In this situation a single-input noise cancellation structure; known as a line enhancer; can be employed. Now; the noise signal present on the input line before the experiment may be used for adapting the filter in the noise canceller. Many researchers have reported noise cancellation algorithms and their characteristics (see; for example Widrow et al. 1975; 1976; Glover; 1977); and various software and hardware implementations of these algorithms (see; for example Hill and Mikhael 1986). In this paper; we present the application of a (slightly modified) standard noise cancelling algorithm; implemented with a standard integrated circuit; to the Revision received 21 March 1988; accepted 12 May 1988. t Research at UCD was supported in part by a contract with Lawrence Livermore National Laboratory; and; in part; by Grant DAAG29-82-K-0077; from the U.S. Army Research Office. Research at LLNL is supported in part by the Department of Energy under Contract W-7405-Eng-48. : Department of Electrical Engineering; University of California; Davis; California; 95616; U.s.A. § Electronic Engineering Department; Lawrence Livermore National Laboratory; Livermore; 94550; U.S.A;
D O I：
10.1080/00207218808945287
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
11
引用
收藏
页码：865 / 877
页数：13
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