A pulsar, PSR 1937+214, with rotational frequency of 642 Hz was newly discovered by Arecibo Observator in Puerto Rico in November, 1982. It has the fastest rotational frequency among all the found pulsars. The discove...A pulsar, PSR 1937+214, with rotational frequency of 642 Hz was newly discovered by Arecibo Observator in Puerto Rico in November, 1982. It has the fastest rotational frequency among all the found pulsars. The discovery of the pulsar shocked the astrophysical world, and attracted a number of gravitational wave (GW) researchers. Because this pulsar radiates GW at a frequency of 1284 Hz, it is expected that the Weber-type antenna, L, the sound velocity V_s and the frequency of the detected GWv, have the relationship l-V_a/2v. The antenna for this pulsar is therefore required to have a length of 195 cm. If the GW radiation is strong enough, under the realizable conditions of great mass antenna and low-temperature ambient, using the method of展开更多
文摘A pulsar, PSR 1937+214, with rotational frequency of 642 Hz was newly discovered by Arecibo Observator in Puerto Rico in November, 1982. It has the fastest rotational frequency among all the found pulsars. The discovery of the pulsar shocked the astrophysical world, and attracted a number of gravitational wave (GW) researchers. Because this pulsar radiates GW at a frequency of 1284 Hz, it is expected that the Weber-type antenna, L, the sound velocity V_s and the frequency of the detected GWv, have the relationship l-V_a/2v. The antenna for this pulsar is therefore required to have a length of 195 cm. If the GW radiation is strong enough, under the realizable conditions of great mass antenna and low-temperature ambient, using the method of
