Influence of Different Gains to Adaptive Interference Cancellation System

被引：7

作者：

Jiang, Yunhao ^{[1
]}

Zhao, Zhihua ^{[2
]}

Hu, Anqi ^{[2
]}

Li, Wenlu ^{[2
]}

Xiao, Huan ^{[2
]}

Tang, Jian ^{[2
]}

机构：

[1] HUST, Coll Elect & Elect Engn, Wuhan, Peoples R China

[2] NUE, Natl Key Lab Vessel Integrated Power Syst Technol, Wuhan, Peoples R China

来源：

2010 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY & TECHNICAL EXHIBITION ON EMC RF/MICROWAVE MEASUREMENTS & INSTRUMENTATION | 2010年

基金：

中国国家自然科学基金;

关键词：

AICS; ICR; gains; convrgence speed; THD; weight;

D O I：

10.1109/APEMC.2010.5475501

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：

This paper investigates the influence of the different gains of weight branches to the dynamic characteristic and interference cancellation ratio (ICR) of an analog adaptive interference cancellation system (AAICS). We solved the transient-state and steady-state characteristics of weights. And the rule of ICR varying with the different gains was studied. The difference of the gains of weight control branches leads the convergence speeds of the two weights are different. The convergence speed of the system is decided by the slower weight. Enlarging the gains will improve the average convergence speed and ICR. The analyses are in agreement with the computer simulation. For the different gains, the system is a time-variant system. The more the difference of gains is, the severer THD (Total harmonic distortion) will be. And the new interference will appear.

引用

页码：1394 / 1397

页数：4

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