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Iranian Journal of Electrical and Electronic Engineering، جلد ۱۲، شماره ۱، صفحات ۹-۲۰
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عنوان انگلیسی A Novel Interference Rejection Method for GPS Receivers
چکیده انگلیسی مقاله This paper proposes a new method for rejecting the Continuous Wave Interferences (CWI) in the Global Positioning System (GPS) receivers. The proposed filter is made by cascading an adaptive Finite Impulse Response (FIR) filter and a Wavelet Packet Transform (WPT) based filter. Although adaptive FIR filters are easy to implement and have a linear phase, they create self-noise in the rejection of strong interferences. Moreover, the WPT which provides detailed signal decomposition can be used for the excision of single-tone and multi-tone CWI and also for de-noising the retrieved GPS signal. By cascading these two filters, the self-noise imposed by FIR filter and the remaining jamming effects on GPS signal can be eliminated by the WPT based filter. The performance analysis of the proposed cascade filter, the FIR filter and the WPT based filter is presented in this paper. Experimental results illustrate that the proposed method offers a better performance under the interference environments of interest in terms of the signal-to-noise ratio gain and minimum square error factors compared to previous methods.
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نویسندگان مقاله m پاشاییان | m. pashaian
narmak, tehran 16846-13114, iran


محمدرضا موسوی | m r mosavi
narmak, tehran 16846-13114, iran


محمدصادق مقدسی | m s moghaddasi
narmak, tehran 16846-13114, iran


محمدجواد رضایی | m j rezaei
narmak, tehran 16846-13114, iran
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-78-12&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده 5-Signal Processing
نوع مقاله منتشر شده Research Paper
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