Example: Table of Contents. In the case where the Table of Contents or other lists are more than one page, the title appears only on the first page. TABLE OF CONTENTS ABSTRACT ..................................................................................................................... iii LIST OF FIGURES ........................................................................................................ viii LIST OF TABLES ......................................................................................................... xxii LIST OF SYMBOLS .................................................................................................... xxiv ACKNOWLEDGMENTS .............................................................................................. xxix CHAPTER 1 INTRODUCTION .................................................................................. 1 1.1 Introduction........................................................................................... 1 1.2 GPR Hardware ..................................................................................... 4 1.3 Electromagnetic Wave Propagation ..................................................... .9 CHAPTER 2 SENSITIVITY ANALYSES OF THE FREQUENCE DOMAIN SIGNAL PROCESSING TECHNIQUE ............................................... 17 2.1 Backgroup and Previous Work ......................................................... 17 2.2 Signal Processing Tools ..................................................................... 19 CHAPTER 3 3.0 CHAPTER 4 2.2.1 Convolution and Deconvolution Methods ........................... 20 2.2.2 Scattering Parameters ........................................................ 24 ESTIMATING THE SOIL PROPERTIES ............................................. 83 Constructing the Forward Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 SUMMARY AND CONCLUSIONS.................................................... 181 LIST OF SYMBOLS (placed here, if not included in front matter) ............................... 193 REFERENCES CITED ................................................................................................ 195 APPENDIX A RAMP GENERATOR ........................................................................ 205 APPENDIX B PROCESSING SOFTWARE ............................................................. 208 APPENDIX C SUPPLEMENTAL FILES .................................................................. 209 iv Example: Combined Lists. If more than one list has only one or two entries, then those lists may be placed on one page under a suitable title, keeping like listings together. In all other instances, each list appears on separate pages, i.e., List of Figures, List of Tables. LIST OF FIGURES Figure 1.1 General location of Kenai Peninsula and Cook Inlet (modified from Magoon, 1994). ............................................................................ 4 Figure 2.1 Time series segment of approximately2.5 minutes for stations k201 and k202. Electric fields are shown in red. ......................................... 36 Figure 3.1 Apparent resistivity and phase versus period for station k201. .......... 49 Figure 3.2 Isostatic residual/gravity anomaly. The MT station locations are plotted as dots. ................................................................................... 51 v Example: Combined Lists. If more than one list has only one or two entries, then those lists may be placed on one page under a suitable title, keeping like listings together. In all other instances, each list appears on separate pages, i.e., List of Figures, List of Tables. LIST OF TABLES Table 1.1 Twist and Shear bounds for MT stations. ............................................. 7 Table 1.2 Input values for the static shift factors of stations k001 and k203. ....... 9 Table 3.1 Typical ranges of resistivities of earth materials. ................................ 49 vi