基于FPGA波束形成自适应FIR数字滤波器新方法

基于FPGA波束形成自适应FIR数字滤波器新方法

A Method of Improved Beamforming based on novel DA algorithm and Implementation on FPGA

摘要

ABSTRACT

ACKNOWLEDGEMENTS

CONTENTS

NOMENCLATURE

LIST OF TABLES

LIST OF FIGURES

INTRODUCTION

1.1 Background

1.2 Goals and objectives

1.3 The present development status of domestic and overseas

1.3.1 FIR digital filter

1.3.2 Adaptive modeling in FIR digital filter

1.3.3 The problem to be resolved

1.3.4 The content researched in this paper

ADAPTIVE BROADBAND BEAMFORMING

2.1 Broadband beamformer

2.2 Adaptive modeling in FIR digital filter synthesis

2.2.1 FIR digital filter and its DA algorithm

2.2.2 Adaptive FIR digital filter

2.2.3 Linear Phase Constrained LMS Algorithm

2.2.4 Adaptive Adjustment for Amplitude-frequency Characteristic

2.3 Summary of this chapter

PROGRAMMABLE LOGIC DEVICES AND FPGA

3.1 Programmable Logic Devices

3.2 The Advantages of FPGA

3.3 FPGA

3.3.1 FPGAs Description

3.3.2 Hardware Description Languages

3.4 Summary of this chapter

THE IMPLEMENTATION ON FPGA

4.1 Introduction to the tools and its exploitation environment

4.1.1 DE2 board

4.1.2 Its supporting materials

4.2 Implementation

4.2.1 The floating-point

4.2.2 FIR Digital Filter

4.2.3 Improvement of the DA architecture

4.2.4 CLMS algorithm

4.2.5 The iteration algorithm

4.3 Performance Analysis

4.3.1 DA algorithm

4.3.2 CLMS algorithm

4.3.3 Iterative algorithm

4.4 Summary of this chapter

CONCLUSION AND FUTURE RESEACH

REFERENCES

哈尔滨工业大学硕士学位论文原创性声明

哈尔滨工业大学硕士学位论文使用授权书