Rejection of PSK interference in DS-SS/PSK system using adaptive transversal filter with conditional response recalculation

Zorica Nikolic; Bojan Dimitrijevic; Nenad Milosevic

doi:10.2298/sjee0301103n

Rejection of PSK interference in DS-SS/PSK system using adaptive transversal filter with conditional response recalculation

Serbian Journal of Electrical Engineering ◽

10.2298/sjee0301103n ◽

2003 ◽

Vol 1 (1) ◽

pp. 103-109 ◽

Cited By ~ 1

Author(s):

Zorica Nikolic ◽

Bojan Dimitrijevic ◽

Nenad Milosevic

Keyword(s):

Adaptive Filter ◽

Error Probability ◽

Interference Rejection ◽

Conditional Response ◽

Transversal Filter ◽

Complex Adaptive ◽

Adaptive Transversal Filter

PSK interference rejection using complex adaptive filter with conditional response recalculation in DS-SS/PSK system is considered in this paper. New adaptive filter decreases error probability for several orders of magnitude when compared to the standard adaptive transversal filter.

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Interference Rejection in UWB Radio System Using Adaptive Transversal Filter

EUROCON 2005 - The International Conference on "Computer as a Tool" ◽

10.1109/eurcon.2005.1629869 ◽

2005 ◽

Author(s):

Z.B. Nikolic ◽

Z. Hadzi-Velkov ◽

B.R. Dimitrijevic ◽

N.D. Milosevic

Keyword(s):

Interference Rejection ◽

Radio System ◽

Transversal Filter ◽

Uwb Radio ◽

Adaptive Transversal Filter

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Modeling of Hysteresis in Piezoelectric Actuator Using Linear Play Operator Adaptive Filter

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.645-646.957 ◽

2015 ◽

Vol 645-646 ◽

pp. 957-962

Author(s):

Rui Xiong ◽

Xiang Dong Liu ◽

Feng Min Shan

Keyword(s):

Piezoelectric Actuator ◽

Adaptive Filter ◽

Least Mean Square ◽

Filter Model ◽

Experiment Platform ◽

Transversal Filter ◽

Hysteresis Modeling ◽

Least Mean Square Algorithm ◽

Play Operator ◽

Adaptive Transversal Filter

Piezoelectric actuator (PEA) is widely applied in micro/nanopositioning system. However, its inherent hysteresis limits its application. Modeling of hysteresis plays an important role in solving this problem. Linear play operators (LPO) adaptive hysteresis model is introduced in this paper. LPO operators are used to replace delay operators of adaptive transversal filter to compose a new serial structure of adaptive transversal filter model, and LMS (Least Mean Square) algorithm is used to adjust the weight values. As hysteresis loop of piezoelectric actuator is asymmetric and LPO operator is symmetric, a modified LPO (MLPO) adaptive filter is proposed for asymmetric hysteresis effect. At last, the two LPO filters are applied to model hysteresis characteristic of Piezoelectric actuator, and the modeling effect is verified via a micro-positioning system experiment platform based on Piezoelectric actuator. Experimental results show that the modified LPO filters can achieve better accurate hysteresis modeling.

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