電子溫度與密度探測器(TeNeP)的衛星模擬實驗

江國祥

doi:10.6844/NCKU.2014.00263

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電子溫度與密度探測器(TeNeP)的衛星模擬實驗

Satellite Simulation Experiment for Electron Temperature and Density Probe (TeNeP)

江國祥 , Masters　　Advisor：陳秋榮　　Co-advisor ：小山孝一郎

英文 DOI： 10.6844/NCKU.2014.00263

奈米衛星；電子溫度探測器；阻抗式探針；郎摩爾探針； nano-satellite ； electron temperature probe ； impedance probe ； Langmuir probe

Abstract │ Reference (73) │ Altmetrics

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Langmuir probe is an instrument to measure the plasma characteristics in the ionosphere. But the Langmuir probe is inadequate to be deployed on nano/micro-satellites. To measure the electron temperature (Te) and electron density (Ne) in the ionosphere, we have developed the Electron Temperature and Density Probe (TeNeP). TeNeP combines the functions of the electron temperature probe (ETP) and the planar impedance probe (IP). TeNeP has advantages of small size, light weight and low power consumption and fulfills the instrument requirements onboard nano/micro-satellites. It also overcomes the problem associated with finite satellite/probe surface area ratio for DC Langmuir probes. We have developed TeNeP system by using a microcontroller and signal generator chip to produce the RF driving signal for the TeNeP circuits. We have also built a simulation satellite to investigate the effect of different satellite conductive surface area on the TeNeP measurements. We have demonstrated that the TeNeP measurements are not affected by different satellite conductive surface areas by conducting experiments in the Space Plasma Operation Chamber at the Plasma and Space Science Center of the National Cheng Kung University. Thus, TeNeP can be deployed on nano/micro-satellites to measure the electron temperature and density in the ionosphere.

Reference ( 73 ) 〈TOP〉

Balmain, K. G. (1964), “The impedance of a short dipole antenna in a magnetoplasma,” IEEE Trans. Antennas and Propagation, pp. 605~617.
連結：
Blackwell, D. D., D. N. Walker, and W. E. Amatucci (2005), “Measurement of absolute electron density with a plasma impedance probe,” Rev. Sci. Instrum., 76, 023503.
連結：
Blackwell, D. D., D. N. Walker, S. J. Messer, and W. E. Amatucci (2005),“Characteristics of the plasma impedance probe with constant bias,” Physicsof plasmas, 12, 093510.
連結：
Barjatya A., and C. M. Swenson (2006), “Observations of triboelectric charging effects on Langmuir-type probes in dusty plasma,” J. Geo. Res., Vol. 111, A10302.
連結：
Crawford, F. W., and R. S. Harp (1965), “The resonance probe-a tool for ionospheric and space research,” J. Geo. Res., Vol. 70, No. 3, pp. 587~596.
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