摘要
本文论述了利用一个通过改进的高精密扭摆对1984年11月8日至9日武汉地区半影月食的观测结果,尽管这次的测量精度比Sax1原来的精度要高近三个数量级,但没有观察到如Saxl所报道的引力异常现象。
Saxl observed the partial periods of a pendulum during lunar eclipse on is March 1960 and discovered that the periods of the torsion pendulum was decreased during the eclipse. This phenomenon cannot be explained either by classical gravitational theories or by the theory of gravitation shielding. In order to testify the anomalous phenomenon reported, a new experimental device of high accuracy has been designed. It consists of a precise torsion pendulum. an optico-electronic servo system and a computer. The data are recorded by a printer. Effort has been made to improve experimental conditions and various methods have been used to measure the period of the pendulum. For instance, each adjacent half period of torsion pendulum is measured by the authors since in the partial period measurement by Saxl some information about the features of pendulum motion might have been lost.According to the observation results concerning the lunar eclipse on 8-9 November 1984 in Wuhan China with an improved torsion pendulum, no anomalous events were found although the precision of the period measurement was improved nearly by 3 orders of magnitude as compared with that by Saxl's experiment.
出处
《华中理工大学学报》
CSCD
北大核心
1989年第2期135-138,共4页
Journal of Huazhong University of Science and Technology
关键词
月食
扭摆
引力异常
Lunar eclipse
Torsion pendulum
Gravitational anomalous phenomenon
Gravitational shielding
