2023考研英语阅读寻找外星人

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2023考研英语阅读寻找外星人

  Searching for aliens

  寻找外星人

  The wow factor

  防止再次意外

  A new citizen-science project will improve thechances of finding ET

  一个新的平民科学项目可以增大找到地外智慧的机会

  EVER since 1993, when funding from America s space agency, NASA, was cut, the Search forExtraterrestrial Intelligence, which scans the sky looking for radio signals from intelligentaliens, has been inventive in its methods.

  自从1993年,寻找地外智慧在失去了美国航天局的资助后,开辟了一个新的的研究途径。

  In particular, it was one of the pioneers of the field of citizen science, in which interestedamateurs are recruited to help professionals crunch data.

  具体来说,这个新途径是平民科学的先驱之一,它邀请感兴趣的外行人来帮助专家处理海量数据。

  In 1999 it started SETIhome, an application that uses spare processing power onvolunteers computers to sift the information generated by its radio telescopes.

  1999年,在家寻找地外智慧项目启动了,它通过一个应用程序利用志愿者的电脑上闲置的计算资源来筛选来自射频望远镜的信息。

  These days, SETIhome boasts more than 1m users.

  今天,在家寻找地外智慧已经号称拥有超过100万的用户。

  On February 29th the SETI Institute launched another citizen-science project.

  2月29号,寻找地外智慧协会启动了一个新的平民科学项目。

  This time, though, its researchers are less interested in the digital computers on volunteers desks than in the biological ones between their ears.

  这次,研究人员们更加感兴趣的是志愿者的双眼,而不是他们桌上的计算机。实时寻找地外智慧,

  SETILive, as the project is called, hopes to use the pattern-recognition capabilities of brainsto distinguish interesting signals from the cacophony of interference generated by thedenizens of planet Earthand to do so in real time.

  就像它的名称所说,它希望利用我们大脑的模式识别能力来辨认出夹杂在由地球原住民产生的信号中的有趣信号,实时地。

  The basic idea behind SETI is to look for distinctive radio-frequency emissions that mightcome from advanced aliens rather than natural sources like stars.

  寻找地外智慧的基本想法是寻找来自高级地外生命而不是其他自然来源如恒星的射频信号。

  To do this, the SETI Institute uses an instrument called the Allen Telescope Arraya groupof 42 small radio-telescope dishes in California, partly paid for by the eponymous co-founderof Microsoft.

  其协会依靠的工具是坐落在加州的艾伦望远镜阵列,它由42个小的射频望远镜组成,因为微软的共同创始人提供了部分资金而得名。

  Unfortunately, some parts of the radio spectrum are full of signals created by Earthlings,rather than aliens.

  不幸的是,来自地球居民而不是外星人的信号挤满了射频频谱的一部分。

  Everything from passing satellites and tumbling space junk to ground-based radar and eventhe ignition systems of nearby cars can generate spurious radio waves that confuse thesoftware.

  各种各样的来源产生了欺骗性的信号迷惑了相关软件,这些来源包括划过天空的卫星和翻滚的太空垃圾,地面上的雷达甚至是附近汽车的点火系统。

  Until now, the project has dealt with that by ignoring the more crowded bits of thespectrum.

  目前,项目只能避开这些拥挤的频段。

  But SETILive will bring them into play.

  但是实时寻找地外智慧就可以把这些被迫忽略的频段拿来一起分析。

  It will do so by feeding pictorial representations of data from these noisy chunks of thespectrum to its users in the hope that they will be able to filter out the noise and spotpotentially interesting signals buried behind the radio clutter from Earth.

  它把在这些充满噪声的拥挤频段内的信息转换成图像发送给用户,希望他们能够在这些噪音中发现潜在特别的信号。

  Those interesting signals will not necessarily have come from alien civilisations, says ChrisLintott,

  这些特别的信号不一定就来自外星文明。Chris Lintott说。

  an astrophysicist at Oxford University who helps to run Zooniverse, a citizen-science websitethat manages several projects, including SETILive.

  他是牛津大学的天文物理学家,

  But even if they do not, some new astronomical phenomena may be discovered by theproject. And as the various sources of interference become better characterised, the resultswill be fed back into the automated-search algorithms, improving their ability to deal withEarth-generated noise.

  帮助运作一个管理了包括实时寻找地外智慧在内的一些项目的平民科学网站-宇宙动物园。

  Other citizen-science projects already use the superior pattern-recognition capabilities ofhuman wetware, but SETILive is different from these in one important way.

  其他一些平民科学项目已经在利用人类自身湿件的模式识别能力了,但是实时寻找地外智慧在一个重要方面与它们都不同。

  Rather than having its users pore at leisure over stored data, aliens are hunted on the fly.

  外星人是被即时捕捉到的,而不是用户从容地凝视那些储存好了的数据。

  Users logging on to the project s website view information that is hot from the Allen Array.

  用户登录项目网站后看到的信息是刚刚从艾伦望远镜阵列传来的。

  They have to work quickly, though.

  他们还必须看得快些,

  Every 90 seconds, the array switches to looking at a different star, or a different frequencyrange, and a new image is generated.

  因为每隔90秒望远镜阵列就会切换观测另外一个星体或者一个不同的频段,一幅新的信息转换成的图像就会显示出来。

  If, however, the humans do spot something interesting, the array can be told within threeminutes to switch back to observing the star or range in question, to see if the signal isstill there.

  如果万一有人确实看到了一些特别的信息,望远镜阵列会在3分钟之内切换回那个特定的星体或者频段,看看信号还是否在那。

  That is a big advantage, says Dr Lintott.

  Lintott博士说这是一个很大的优势。

  Volunteers working on SETIhome have found plenty of interesting signals,

  在家寻找地外智慧的志愿者们就发现过很多有趣的信号,

  but because the data they analyse are often months old, those signals have usually vanishedby the time anyone gets around to checking up on them.

  但是因为那些数据大多是几个月之前的,当研究人员有机会回头查看时通常它们都已经消失了。

  The most famous example of such delayed discovery, though it long predates the start ofSETIhome, is the so-called Wow! signal.

  这类延迟事件最出名的一次,尽管早在在家寻找地外智慧启动之前,是一个被称为Wow!的信号。

  This signal, which looked exactly like the sort of thing astronomers had theorised aliensmight use to get in touch was spotted in telescope printouts in 1977.

  1977年,这个信号在一个望远镜输出文件中被发现了,它完全符合天文学家理论预测的外星人用来和外界联系的特征。

  It was a powerful, finely tuned broadcast at the most important natural frequency for radioastronomersthe one generated by the flipping spin of the electron in a hydrogen atom.

  这个信号不仅强烈,而且精确地在射频天文学中最重要的自然频率上发射出来。

  But by the time astronomers had noticed it and set their instruments up to double-check, thesignal had vanished.

  但是等到天文学家发现并且使用仪器进行二次确认的时候它已经消失了。

  If a second Wow! signal were discovered by SETILive, astronomers could focus on it almostimmediately.

  如果第二个Wow!信号被实时寻找地外智慧发现,天文学家就可以几乎立即对准它。

  First contact with aliens, then, might take place not in a lab full of computers but late onenight in a suburban bedroom. There could be a film in that.

  第一次与外星人的接触,说不定就不是发生在满是电脑的实验室里,而是深夜在一个城郊住宅区的卧室中。果真如此就可以拍一部电影了。

  词语解释

  1.improve v.改善;改进;提高

  Your work will get by, but try to improve it.

  你的工作勉强通过了,但要设法改善它。

  2.extraterrestrial n.外星人

  Extraterrestrial life has often become the subject ofscience fiction films.

  科幻片经常以外星生命为主题。

  3.amateur n.外行;业余爱好者

  An amateur shouldn t play roulette for high stakes.

  外行不该下大赌注赌轮盘赌。

  4.application n.应用;申请

  The application of new scientific discoveries to industrial production methods usuallyincreases efficiency.

  把新的科学发现运用到工业生产上,通常可以提高效率。

  5.biological a.生物的;生物学的

  Biological warfare is terrible.

  生物战很可怕。

  

  Searching for aliens

  寻找外星人

  The wow factor

  防止再次意外

  A new citizen-science project will improve thechances of finding ET

  一个新的平民科学项目可以增大找到地外智慧的机会

  EVER since 1993, when funding from America s space agency, NASA, was cut, the Search forExtraterrestrial Intelligence, which scans the sky looking for radio signals from intelligentaliens, has been inventive in its methods.

  自从1993年,寻找地外智慧在失去了美国航天局的资助后,开辟了一个新的的研究途径。

  In particular, it was one of the pioneers of the field of citizen science, in which interestedamateurs are recruited to help professionals crunch data.

  具体来说,这个新途径是平民科学的先驱之一,它邀请感兴趣的外行人来帮助专家处理海量数据。

  In 1999 it started SETIhome, an application that uses spare processing power onvolunteers computers to sift the information generated by its radio telescopes.

  1999年,在家寻找地外智慧项目启动了,它通过一个应用程序利用志愿者的电脑上闲置的计算资源来筛选来自射频望远镜的信息。

  These days, SETIhome boasts more than 1m users.

  今天,在家寻找地外智慧已经号称拥有超过100万的用户。

  On February 29th the SETI Institute launched another citizen-science project.

  2月29号,寻找地外智慧协会启动了一个新的平民科学项目。

  This time, though, its researchers are less interested in the digital computers on volunteers desks than in the biological ones between their ears.

  这次,研究人员们更加感兴趣的是志愿者的双眼,而不是他们桌上的计算机。实时寻找地外智慧,

  SETILive, as the project is called, hopes to use the pattern-recognition capabilities of brainsto distinguish interesting signals from the cacophony of interference generated by thedenizens of planet Earthand to do so in real time.

  就像它的名称所说,它希望利用我们大脑的模式识别能力来辨认出夹杂在由地球原住民产生的信号中的有趣信号,实时地。

  The basic idea behind SETI is to look for distinctive radio-frequency emissions that mightcome from advanced aliens rather than natural sources like stars.

  寻找地外智慧的基本想法是寻找来自高级地外生命而不是其他自然来源如恒星的射频信号。

  To do this, the SETI Institute uses an instrument called the Allen Telescope Arraya groupof 42 small radio-telescope dishes in California, partly paid for by the eponymous co-founderof Microsoft.

  其协会依靠的工具是坐落在加州的艾伦望远镜阵列,它由42个小的射频望远镜组成,因为微软的共同创始人提供了部分资金而得名。

  Unfortunately, some parts of the radio spectrum are full of signals created by Earthlings,rather than aliens.

  不幸的是,来自地球居民而不是外星人的信号挤满了射频频谱的一部分。

  Everything from passing satellites and tumbling space junk to ground-based radar and eventhe ignition systems of nearby cars can generate spurious radio waves that confuse thesoftware.

  各种各样的来源产生了欺骗性的信号迷惑了相关软件,这些来源包括划过天空的卫星和翻滚的太空垃圾,地面上的雷达甚至是附近汽车的点火系统。

  Until now, the project has dealt with that by ignoring the more crowded bits of thespectrum.

  目前,项目只能避开这些拥挤的频段。

  But SETILive will bring them into play.

  但是实时寻找地外智慧就可以把这些被迫忽略的频段拿来一起分析。

  It will do so by feeding pictorial representations of data from these noisy chunks of thespectrum to its users in the hope that they will be able to filter out the noise and spotpotentially interesting signals buried behind the radio clutter from Earth.

  它把在这些充满噪声的拥挤频段内的信息转换成图像发送给用户,希望他们能够在这些噪音中发现潜在特别的信号。

  Those interesting signals will not necessarily have come from alien civilisations, says ChrisLintott,

  这些特别的信号不一定就来自外星文明。Chris Lintott说。

  an astrophysicist at Oxford University who helps to run Zooniverse, a citizen-science websitethat manages several projects, including SETILive.

  他是牛津大学的天文物理学家,

  But even if they do not, some new astronomical phenomena may be discovered by theproject. And as the various sources of interference become better characterised, the resultswill be fed back into the automated-search algorithms, improving their ability to deal withEarth-generated noise.

  帮助运作一个管理了包括实时寻找地外智慧在内的一些项目的平民科学网站-宇宙动物园。

  Other citizen-science projects already use the superior pattern-recognition capabilities ofhuman wetware, but SETILive is different from these in one important way.

  其他一些平民科学项目已经在利用人类自身湿件的模式识别能力了,但是实时寻找地外智慧在一个重要方面与它们都不同。

  Rather than having its users pore at leisure over stored data, aliens are hunted on the fly.

  外星人是被即时捕捉到的,而不是用户从容地凝视那些储存好了的数据。

  Users logging on to the project s website view information that is hot from the Allen Array.

  用户登录项目网站后看到的信息是刚刚从艾伦望远镜阵列传来的。

  They have to work quickly, though.

  他们还必须看得快些,

  Every 90 seconds, the array switches to looking at a different star, or a different frequencyrange, and a new image is generated.

  因为每隔90秒望远镜阵列就会切换观测另外一个星体或者一个不同的频段,一幅新的信息转换成的图像就会显示出来。

  If, however, the humans do spot something interesting, the array can be told within threeminutes to switch back to observing the star or range in question, to see if the signal isstill there.

  如果万一有人确实看到了一些特别的信息,望远镜阵列会在3分钟之内切换回那个特定的星体或者频段,看看信号还是否在那。

  That is a big advantage, says Dr Lintott.

  Lintott博士说这是一个很大的优势。

  Volunteers working on SETIhome have found plenty of interesting signals,

  在家寻找地外智慧的志愿者们就发现过很多有趣的信号,

  but because the data they analyse are often months old, those signals have usually vanishedby the time anyone gets around to checking up on them.

  但是因为那些数据大多是几个月之前的,当研究人员有机会回头查看时通常它们都已经消失了。

  The most famous example of such delayed discovery, though it long predates the start ofSETIhome, is the so-called Wow! signal.

  这类延迟事件最出名的一次,尽管早在在家寻找地外智慧启动之前,是一个被称为Wow!的信号。

  This signal, which looked exactly like the sort of thing astronomers had theorised aliensmight use to get in touch was spotted in telescope printouts in 1977.

  1977年,这个信号在一个望远镜输出文件中被发现了,它完全符合天文学家理论预测的外星人用来和外界联系的特征。

  It was a powerful, finely tuned broadcast at the most important natural frequency for radioastronomersthe one generated by the flipping spin of the electron in a hydrogen atom.

  这个信号不仅强烈,而且精确地在射频天文学中最重要的自然频率上发射出来。

  But by the time astronomers had noticed it and set their instruments up to double-check, thesignal had vanished.

  但是等到天文学家发现并且使用仪器进行二次确认的时候它已经消失了。

  If a second Wow! signal were discovered by SETILive, astronomers could focus on it almostimmediately.

  如果第二个Wow!信号被实时寻找地外智慧发现,天文学家就可以几乎立即对准它。

  First contact with aliens, then, might take place not in a lab full of computers but late onenight in a suburban bedroom. There could be a film in that.

  第一次与外星人的接触,说不定就不是发生在满是电脑的实验室里,而是深夜在一个城郊住宅区的卧室中。果真如此就可以拍一部电影了。

  词语解释

  1.improve v.改善;改进;提高

  Your work will get by, but try to improve it.

  你的工作勉强通过了,但要设法改善它。

  2.extraterrestrial n.外星人

  Extraterrestrial life has often become the subject ofscience fiction films.

  科幻片经常以外星生命为主题。

  3.amateur n.外行;业余爱好者

  An amateur shouldn t play roulette for high stakes.

  外行不该下大赌注赌轮盘赌。

  4.application n.应用;申请

  The application of new scientific discoveries to industrial production methods usuallyincreases efficiency.

  把新的科学发现运用到工业生产上,通常可以提高效率。

  5.biological a.生物的;生物学的

  Biological warfare is terrible.

  生物战很可怕。

  

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