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物理学报. 2010, 59(2): 1385-1390.
doi: 10.7498/aps.59.1385.
利用超高速撞击产生的等离子体测量微粒速度的方法研究
- 收稿日期: 2009-07-30
- 修回日期: 2009-09-11
- 刊出日期: 2010-01-05
English Abstract
Method for measuring the particle velocity using plasma produced by hypervelocity impact
- Received Date:
30 July 2009
- Accepted Date:
11 September 2009
- Published Online:
05 January 2010
Abstract: Hypervelocity impact can produce instantaneous plasma during the impact． Through two kind of sensor designed in this paper to collect the plasma to attain the arriving time of the particle, we use the time of flight method to obtain the velocity of the particle． During the elementary experiment in the plasma drag particle accelerator, the impact signal was captured and the measurement of the particle velocity was achieved．The experiment result proves that this method has a high precision in time survey and a high signal to noise ratio．
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Keywords:
- plasma /
- hypervelocity impact /
- velocity measurement
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