| 摘要 | 第1-7页 |
| Abstract | 第7-10页 |
| Chapter 1 Summary of the Thesis | 第10-16页 |
| ·Background and Significance | 第10-11页 |
| ·Research Status | 第11-14页 |
| ·Research Contents and Organization of Thesis | 第14-16页 |
| Chapter 2 Principle and Key Technologies of TDCS | 第16-38页 |
| ·Basic Principle of TDCS | 第16-19页 |
| ·Key Technologies of TDCS | 第19-26页 |
| ·Spectrum Estimation | 第19-22页 |
| ·Thresholding and Spectral Notching | 第22页 |
| ·Phase Mapping Process | 第22-23页 |
| ·Basis Function Generation | 第23-24页 |
| ·Data Modulation | 第24-25页 |
| ·Signal Transmission | 第25-26页 |
| ·TDCS Receiving Process | 第26页 |
| ·Simulation Results | 第26-37页 |
| ·Spectrum Estimation | 第26-32页 |
| ·Basis Function Generating | 第32-34页 |
| ·Data Modulation and Demodulation | 第34-36页 |
| ·Performance of TDCS System | 第36-37页 |
| ·Summary | 第37-38页 |
| Chapter 3 An improved TDCS based on Channel Equalization Technologies | 第38-56页 |
| ·Multipath Fading Channel Modeling | 第38-43页 |
| ·Fading Channel | 第38-41页 |
| ·Rayleigh Fading Channel Simulating | 第41-42页 |
| ·TDCS with Multipath Rayleigh Fading Channel | 第42-43页 |
| ·An improved TDCS based on Pre-equalization | 第43-44页 |
| ·An improved TDCS based on Post-equalization | 第44-47页 |
| ·Filtering LMS Algorithm | 第45-46页 |
| ·Decorrelation LMS Algorithm | 第46页 |
| ·Switch Field LMS Algorithm | 第46-47页 |
| ·An improved TDCS based on Pre-Post-Equalization | 第47-48页 |
| ·Simulation Results | 第48-55页 |
| ·Rayleigh Fading Channel Simulating | 第48-51页 |
| ·Pre-equalization results | 第51-52页 |
| ·Post-equalization results | 第52-54页 |
| ·Performances of TDCS with different equalization technologies | 第54-55页 |
| ·Summary | 第55-56页 |
| Chapter 4 Multipath Fading Channel Estimation based on FrFT | 第56-68页 |
| ·Mathematical Model and Principle of FrFT | 第56-58页 |
| ·Discrete Fractional Fourier Transform Algorithms | 第58-59页 |
| ·Channel Estimation based on DFrFT | 第59-62页 |
| ·Channel Parameters Estimation | 第60-61页 |
| ·Performance of the Estimation Algorithm | 第61-62页 |
| ·Simulation Results | 第62-67页 |
| ·LFM Detecting by FRFT | 第62-66页 |
| ·Rayleigh Fading Channel Estimation | 第66页 |
| ·Performance of the Estimation Algorithm | 第66-67页 |
| ·Summary | 第67-68页 |
| Conclusions | 第68-69页 |
| Recommendations for future work | 第69-70页 |
| References | 第70-71页 |
