请保持安静!- 保护射电天文学免受干扰
Radio quiet, please! - protecting radio astronomy from interference
摘要:
无线电频谱对于天文学研究和其他频谱使用者来说是一种有限且日益宝贵的资源。使射电天文学使用的频带尽可能不受不必要的射频干扰(RFI)至关重要。频谱管理是实现这一目标的工具之一,其目的包括对其他频谱用户发射到射电天文学频带的RFI水平设定监管限制。这涉及与国家、区域和全球各级的监管机构和其他频谱用户进行讨论。全球频谱管理框架由国际电信联盟的《无线电规则》制定,该规则规定,如果干扰使测量的不确定性增加10%,则干扰对射电天文学有害。《无线电规则》每三至四年修订一次,这是一个由四个在频谱管理方面代表射电天文学界利益的组织(IUCAF、CORF、CRAF和RAFCAP)积极参与的过程。这四个组织目前的兴趣和活动范围从保护通过监管措施取得的成果,到展望高频使用和巨型射电望远镜使用的未来。
英文摘要:
The radio spectrum is a finite and increasingly precious resource for astronomical research, as well as for other spectrum users. Keeping the frequency bands used for radio astronomy as free as possible of unwanted Radio Frequency Interference (RFI) is crucial. The aim of spectrum management, one of the tools used towards achieving this goal, includes setting regulatory limits on RFI levels emitted by other spectrum users into the radio astronomy frequency bands. This involves discussions with regulatory bodies and other spectrum users at several levels - national, regional and worldwide. The global framework for spectrum management is set by the Radio Regulations of the International Telecommunication Union, which has defined that interference is detrimental to radio astronomy if it increases the uncertainty of a measurement by 10%. The Radio Regulations are revised every three to four years, a process in which four organisations representing the interests of the radio astronomical community in matters of spectrum management (IUCAF, CORF, CRAF and RAFCAP) participate actively. The current interests and activities of these four organisations range from preserving what has been achieved through regulatory measures, to looking far into the future of high frequency use and giant radio telescope use.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。