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LionProbe Design 1.0 Introduction 2.0 Background 2.1 Langmuir Theory 2.2 PFP Theory 2.3 Plasma Sheath 3.0 Implementation 3.1 Microprocessor 3.2 A/D & D/A Convert 3.3 Electrometer 3.4 DDS & Comparator 3.5 Phase Detection 3.6 Signal Combination 3.7 Sensor Heads 3.8 Boom Selection 3.9 Other Schematics 4.0 Results 5.0 Project Value 6.0 Cost Analysis 7.0 Conclusion 8.0 Future Work 9.0 References |
 References 1. Bilen, Sven; Croskey, Charles. “Development of a Hybrid Langmuir and Plasma Frequency Probe.” Communications and Space Sciences Laboratory, Penn State University, June 30, 2000. 2. Chen, Francis F. “Introduction to Plasma Physics and Controlled Fusion.” Plenum Press. New York, NY. May 1990.
3. Swenson, C. M., “An Evaluation
of the Plasma Frequency Probe,” M.S. thesis, 4. Jensen, M. D., and K. D. Baker, “Measuring ionospheric electron density using the plasma frequency probe,” Journal of Spacecraft and Rockets, 29(1), 91-95,1992. 5. Seigel, Robert. “Design of Digitally Controlled Langmuir Swept and Fixed Bias Probes.” Pennsylvania State University, Scheyer Honors College Bachelor of Science Thesis, Spring 2002. 6. National Space Science Data Center. “International Geomagnetic Reference Field.” [Online] http://nssdc.gsfc.nasa.gov/, April 15, 2003. 7. National Space Science Data Center. “International Reference Ionosphere.” [Online] http://nssdc.gsfc.nasa.gov/, April 15, 2003. 8. Medicus, G. “Spherical Langmuir Probe in “Drifting” and “Accelerated” Maxwellian Distribution,” Journal of Applied Physics, 33(10), 3094-3100, 1961. 9. Medicus, G. “Theory of Electron Collection of Spherical Probes,” Journal of Applied Physics, 32(12), 2512-2520, 1961.
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