5G和量子计算机 quantum computer

in #quantum5 years ago (edited)

5G使用高频毫米技术,频率达到10G Hz以上。目标速度是4G的100倍以上。WiFi这种无线技术由海蒂拉玛的跳频技术发展而来,最初应用于军事的无线导弹,由于物联网,VR,AR,无人机,机械臂的应用,需要更高的反应速率,5G将网络延迟缩短到1毫秒,响应了无人驾驶技术的需要,同时5G也将带来比4G更高的健康隐患。
量子计算机依托于量子力学并由摩尔定律发展出来。量子力学经典实验薛定谔的猫,把一只猫,食物和毒药放在箱子里,箱子打开之前,这只猫可能是活的或者是死的的两种状态的叠加,传统的计算机只能用bit表示1或0,而量子计算机可以表示1和0的概率叠加,我们知道一个比方,现在的计算机有局限性,在比方说,有1至5,5个数字打乱,如果人去排序,人会同时看到5张牌,而现在的计算机看不到5张牌,只能像敲开一扇门一样,一张一张去看,所以会用到冒泡排序等算法,当然,在数字增多时,人看不到所有的数字,这个时候计算机就更为合适了。而量子计算机可以同时看到很多张牌,可以在3小时之内破译RSA密码,而即使用现在的超级计算机也需要100万年,未来,量子计算将结合人工智能领域,会出现大自然都无法做出来的人工智能。量子计算机将在未来20到30年内出现并应用。2018年3月谷歌开发出72位的量子处理器。

5G uses high frequency millimeter technology and the frequency reaches above 10G Hz. The target speed is more than 100 times that of 4G. WiFi, a wireless technology developed by Heidi Rama's frequency hopping technology, was originally applied to military wireless missiles. Due to the application of Internet of Things, VR, AR, drones, and robotic arms, higher response rates are required. 5G shortens the network delay to 1 millisecond, responding to the needs of driverless technology, while 5G will also bring higher health risks than 4G.
Quantum computers rely on quantum mechanics and are developed by Moore's Law. Classical experiment of quantum mechanics Schrödinger's cat put a cat, food and poison in a box. Before the box is opened, the cat may be a superposition of two states of life or death. The traditional computer can only use bit. Represents 1 or 0, and the quantum computer can represent the probability superposition of 1 and 0. We know that, for example, the current computer has limitations. For example, there are 1 to 5, 5 numbers upset, if people go to sort, people I will see 5 cards at the same time, but now the computer can't see 5 cards. It can only be viewed one by one like knocking on a door, so it will use algorithms such as bubble sorting. Of course, in numbers. When you increase, people can't see all the numbers. At this time, the computer is more suitable. Quantum computers can see a lot of cards at the same time, and can decipher the RSA password within 3 hours. That is, it takes 1 million years to use the current supercomputer. In the future, quantum computing will combine the field of artificial intelligence, and nature will not be able to appear. Artificial intelligence made out. Quantum computers will appear and be used in the next 20 to 30 years. In March 2018, Google developed a 72-bit quantum processor.

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