도로환경 정온화의 실시간 적용을 위한 Co-LMS 알고리즘의 특성 고찰A Study on the Co-LMS Algorithm Characteristics of Real-time Applicants for Road Environment Calming
- Other Titles
- A Study on the Co-LMS Algorithm Characteristics of Real-time Applicants for Road Environment Calming
- Authors
- 문학룡; 손진근
- Issue Date
- 2014
- Publisher
- 대한전기학회
- Keywords
- Active noise control(ANC); Co(correlation)- least mean square(LMS); Filtered-X LMS; Road noise environment; Secondary noise path; Transfer function
- Citation
- 전기학회 논문지 P권, v.63, no.3, pp.157 - 162
- Journal Title
- 전기학회 논문지 P권
- Volume
- 63
- Number
- 3
- Start Page
- 157
- End Page
- 162
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/13430
- ISSN
- 1229-800x
- Abstract
- The active noise control(ANC) method for noise problems solution generally uses filtered-X LMS algorithms.
However, Filtered-X LMS algorithms were mainly used but these had a limitation that had to measure a transferfunction of secondary noise path. However, newly proposed correlation-LMS algorithms have slightly much calculationand are minutely behind performance, these have a advantage not in measuring transfer function onerously so that wecan easily adapt these in real time. Thus Co-LMS algorithm was developed to improve the real-time implementationperformance under the variable input noise such as road noise environment. In this paper, the performance of theCo-LMS is presented in comparison with that of the Filtered-X LMS algorithm. Simulation results show that activenoise control using Co-LMS have slightly much calculation and are minutely behind performance, these have a advantagenot in measuring transfer function onerously so that we can easily adapt these in real time.
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