지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수1
List of Figures iiiList of Tables vAbbreviations viAbstract viiiChapter 1 Introduction 11.1 Background and problem statement 11.2 Summary of contributions 3Chapter 2 Minimization of ℓ1-norm of the a posteriori error 62.1 Introduction 62.2 Proposed ℓ1-norm minimization for the variable step-size 72.3 Geometric interpretation 11Chapter 3 Affine projection sign algorithm with a variable step-size 133.1 Introduction 133.2 Review of the affine projection sign algorithm 153.3 Proposed variable step-size APSA 163.3.1 ℓ1-norm based variable step-size 163.3.2 Computational complexity 203.4 Simulation results 20Chapter 4 Delayless sign subband adaptive filter with a variable step-size 274.1 Introduction 274.2 Review of the sign subband adaptive filter 294.3 Delayless SSAF 314.4 Proposed variable step-size SSAF 364.4.1 ℓ1-norm based variable step-size 364.4.2 Band-dependent variable step-size 384.5 Simulation results 424.5.1 System identification 424.5.2 Acoustic echo cancellation with double-talk situation 464.5.3 Active impulsive noise control 49Chapter 5 Affine projection sign subband adaptive filter with a variable step-size 575.1 Introduction 575.2 Review of the affine projection sign subband adaptive filter 585.3 Proposed variable step-size APSSAF 615.3.1 ℓ1-norm based variable step-size 615.3.2 Band-dependent variable step-size 635.4 Simulation results 66Chapter 6 Applications to acoustic echo cancellation 706.1 Introduction 706.2 Flowchart of the acoustic echo cancellation 726.3 Implementation of audio play and record 736.4 Updating the adaptive filter using the NDK approach 756.5 Configuration of the AEC Android application 776.6 Performance evaluation of the delayless BDVSS-SSAF 80Chapter 7 Conclusion 83Bibliography 85국문요지 92감사의 글 94
0