Abstract
This paper proposes a reconfiguration design of variable bandwidth symmetric/anti-symmetric finite impulse response single-band peak-constrained least squares (PCLS) lowpass and highpass filters. When the bandwidth of the filter changes, a new set of filter coefficients is derived based on the old set of filter coefficients via a modified method of bisection. Since the proposed algorithm is very efficient, the new set of filter coefficients can be obtained in real time. Also, the new set of filter coefficients can be arbitrarily close to the globally optimal solution of the new PCLS optimization problem.
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Acknowledgments
This paper was supported partly by the National Nature Science Foundation of China (no. 61372173 and 61001179), the Doctoral Fund of Ministry of Education of China (no. 20110171120044), the Guangdong Higher Education International Cooperative Item “Facing the Application of Manufacturing of the Internet of Things: Construction and Optimization Decision Methods of Real-time Information Networks (gjhz1005)”, the Hundred People Plan from the Guangdong University of Technology and the Young Thousand People Plan from the Ministry of Education of China.
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Ling, B.WK., Ho, C.YF., Teo, KL. et al. Design of variable bandwidth symmetric/anti-symmetric FIR single-band PCLS lowpass and highpass filters. SIViP 10, 37–43 (2016). https://doi.org/10.1007/s11760-014-0698-4
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DOI: https://doi.org/10.1007/s11760-014-0698-4