“卫星锅”到底能看到什么,为何会被禁止?危害比想象中还要大
推荐回答(1个)
我们知道,随着 社会 的发展,现在很多的小孩,很早就开始接触电子产品了,智能手机、平板电脑、电脑等,基本上是不学自通。有很多甚至都会玩《王者荣耀》、《和平精英》了,嗜玩成性。青少年近视和数码使用早龄化已经成为了势待解决的 社会 问题了。
与他们童年不同的是,我们的童年只能看上电视就已经不错了。那时候的童年记忆是沙沙的电视声、时不时花一下屏的电视画面,以及每家每户屋顶上那银白色明晃晃的“卫星锅”,每天放学就守在电视机前看《虹猫蓝兔》,第二天跟同学讨论成了我们每天的日常。
后来,国家明令禁止“卫星锅”的使用和安装,全部收归废品,一律销毁。当时很多人不解,用了那么久的“卫星锅”怎么突然就被那么严厉地禁止了呢。“卫星锅”到底能看到什么?为啥非要禁用呢,其实说了你可能不信,它的危害比我们想象的还要大。
卫星锅,实际上就是一个金属抛面,用来收集微弱的卫星信号,反射至卫星天线高频头处,再传输至电视画面,达到收看电视的目的。理论上说卫星锅面积越大,收到的信号也就越好,画面的质量也就也好,曾是很多家庭的主要电视收看方式。后来国家禁止“卫星锅”,主要是考虑到以下几点原因。
首先,由于“卫星锅”的特性,人们多会将“卫星锅”放置在屋顶或者房顶,这些地方本来就是危险的地方,加上安装这个,安全隐患就更大了。而且,雷雨天气,“卫星锅”的信号相对较差,为了获得更好的信号,有人会冒着危险上去调整。而居民普遍不配备避雷针、路面湿滑,上去调整无疑是拿自己生命开玩笑,一旦出事,后果不堪设想。“卫星锅”本身辐射较大,加装它无疑是增加了自身的辐射危害。
随着国家推动闭路电视的发展,加上中国互联网技术的蓬勃发展,我们想看什么都能马上看到,节目也更丰富,画面也更加稳定、高清。“卫星锅”已经不符合时代发展和可以满足人们的 娱乐 需求,所以替换“卫星锅”也势在必行了。
最后一点,也是最重要的一点。由于“卫星锅”是通过收集空气中的卫星信号,收看电视节目的,不受国家广电总局审核、管控。所以,极有可能被不法分子利用宣传不法信息。也有可能收看至国外尺度较大、违法的节目,对人的身心 健康 伤害较大,对国家安全造成巨大威胁。
综上所述,所以国家明令禁止“卫星锅”的使用,进而推动闭路电视、互联网的发展。其实,归根结底是国家为了保证民众安全、维护国家安全,所以才禁止的,除允许部分偏僻的、比较落后的地区外,中国绝大部分地区禁止使用“卫星锅”。
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