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Design of Near-field Wideband Frequency Invariant Circular Arrays

摘要第5-6页
ABSTRACT第6-7页
Chapter 1 Introduction第10-24页
    1.1 Background第10-11页
    1.2 Near-field第11-16页
        1.2.1 Field Regions and their cause第12-13页
        1.2.2 Regions according to electromagnetic length第13-14页
        1.2.3 Near Field Diffraction第14页
        1.2.4 Near field characteristics第14-16页
    1.3 Beam forming第16-19页
        1.3.1 Narrowband Beam forming第18-19页
        1.3.2 Wideband beam forming第19页
    1.4 Development in Near Field Wideband Beam forming第19-22页
    1.5 Summary第22-24页
Chapter 2 Near-field Wideband Beam forming第24-32页
    2.1 Wave Front第24页
    2.2 Wave Vector第24-25页
    2.3 Steering Vector第25-26页
    2.4 Wideband Beam forming第26-30页
    2.5 Frequency Invariant Beam forming第30-31页
    2.6 Summary第31-32页
Chapter 3 Frequency Domain Analysis第32-52页
    3.1 Convex Optimization第32-35页
    3.2 Beam forming Problem Design第35-51页
        3.2.1 Convex Optimization based Design第35-43页
            3.2.1.1 Background第35-37页
            3.2.1.2 Proposed Design Method第37-38页
            3.2.1.3 Main Results第38-39页
            3.2.1.4 Other Results第39-43页
        3.2.2 Comparison of Convex Optimization based design with Least Square Approach第43-51页
            3.2.2.1 Design based on Convex Optimization第43页
            3.2.2.2 Design based on Least Square第43-46页
            3.2.2.3 Design Examples第46-47页
            3.2.2.4 Convex Optimization Results第47-48页
            3.2.2.5 Least SquareApproach Results第48-51页
    3.3 Summary第51-52页
Chapter 4 Time Domain Analysis第52-66页
    4.1 Introduction第52-53页
    4.2 Techniques for implementing Time delays第53页
    4.3 Fractional Delay Filters第53-54页
    4.4 Fractional Delay Filter Theory第54-57页
    4.5 Fractional Delay Filter Design Methods第57-60页
        4.5.1 Interpolation DesignApproach第58-59页
        4.5.2 Advantages第59页
        4.5.3 Disadvantages第59-60页
    4.6 Implementation of Time Delay in Design Problem第60-61页
    4.7 Design Steps of Near Field Time Domain Wideband Beam former第61-62页
    4.8 Simulation Results第62-64页
    4.9 Summary第64-66页
CONCLUSION第66-68页
REFERENCES第68-72页
RESEARCH CONTRIBUTION IN MASTERS DEGREE第72-74页
ACKNOWLEDGEMENT第74页

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