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闭路电视解读5G网络4K视频：更快、清晰_我的网站
一 | Moscow's warnings to western countries about the dangers of uncontrollably pumping Ukraine with weapons appear to be starting to come true, with some US-supplied arms already surfacing on dark net markets and in international smuggling rings, Sputnik Arabic's investigation has shown.,Following a search across markets on the dark net – a separate part of the world-wide-web accessible, for example, through Tor browser – Sputnik managed to find an online shop dubbed "Weapons Ukraine" on the THIEF marketplace. True to its name, it’s readily selling weapons.,Express Delivery of 200 Rifles,"Weapons Ukraine" claims to be based in Kiev, has its name in Russian, and boasts about having conducted 32 successful deals confirmed by a guarantor – a middleman provided by the dark website to assure that a client gets their wares and the seller their money. The shop's owner offers M4S assault rifles courtesy of US arms suppliers for $2,400, well above the Pentagon’s price tag of between $600 and $1,200.,© SputnikScreenshot of "weapons Ukraine" shop on the THEIF dark web marketplaceScreenshot of "weapons Ukraine" shop on the THEIF dark web marketplace© Sputnik,Unlike the Pentagon, "Weapons Ukraine" is ready to sell several hundred of these rifles without bureaucratic complications, such as export licenses, to nearby anyone. In this case, the online shop agreed to sell to Houthi fighters from Yemen hiding behind the username "3ladin_houthi" – a fake identity assumed by the Sputnik Arabic journalist. Upon contacting the trader, whom the journalist addressed in Arabic converted through an online translator into English, the arms dealer asked to switch to Wickr messenger for further communications.,There, the trader confirmed that they were ready to deliver the weapons to Yemen by hiding them in oil barrels. Moreover, the dealer was ready to throw in some extra rifle ammo and frag grenades. The transportation itself would take only ten days, the seller assured.,© SputnikScreenshot of correspondence with "weapons Ukraine" Screenshot of correspondence with "weapons Ukraine" © Sputnik,"Weapons are transported in barrels of motor oil. One barrel holds 10 m4s and 2,000 rounds of ammunition, 20 grenades. Transportation takes 10 days by sea. You basically get barrels of engine oil without raising suspicion," the trader wrote.,The barrels are shipped on rarely-inspected vessels carrying humanitarian assistance. However, the seller refused to sell as many as 100 barrels of weapons so as not to arise more suspicion. “Weapons Ukraine” and "3ladin_houthi" agreed to ship 20 barrels containing 200 rifles and 400 grenades, with a value of $400,000 for the goods.,Crypto – the Dark Web’s King,Most dark web marketplaces trade illegal goods use cryptocurrencies, since they are difficult or impossible to trace. THIEF is no exception. As "Weapons Ukraine" explained to “3ladin_houthi”, the transaction consists of several steps.,First, the final terms of the deal are discussed and solidified in the presence of a middleman provided by the marketplace. Then, the buyer deposits crypto coins, in this case Monero, to its account on the platform, while the seller ships the goods.,Russia's Special Operation in UkraineEuropol Fears Weapons Sent to Ukraine Will End Up on European Black Market29 May, 13:25 GMT,Upon receiving the shipment, the buyer confirms its integrity and quantity and transfers the deposit to the middleman. The latter then sends the money to the seller, withholding 2% for their services. “3ladin_houthi”’s deal would have brought the middleman $8,000 in exchange for guaranteeing that the seller gets the money and that the buyer is not robbed of their share.,'Allies' in Poland and Portugal,The full details of the shipment become available only once the deal is agreed upon and the deposit is transferred to the middleman. The buyer gets a tracking number that allows them to know what ship their guns are loaded on to, when and from which port it leaves, and when it arrives to the destination.,Before inking the deal, the seller was only ready to provide general details of the shipment.,"At this point, I don't know you and you don't have a deposit. Maybe you are an Interpol agent. I told you in general terms how things work," the trader said.,"Weapons Ukraine", however, slipped that the weapons will be loaded onto a ship by their "allies in Poland". The arms dealer also provided a Russian-written map with a hand-drawn estimate of the ship’s route. According to the map, the transit will depart from a port in Portugal, go around the African continent and arrive in Yemen. The shop's owner did not elaborate on how the guns are going to make it from Ukraine to Poland and then onto Portugal.,© SputnikScreenshot of correspondence with "weapons Ukraine" Screenshot of correspondence with "weapons Ukraine" © Sputnik,The rest of the details of the shipment remain a mystery, as the next step in the deal - the marketplace's verification of the buyer's account - would blow the ruse.,Still, considering the fact that "Weapons Ukraine" has 32 successful sales of unspecified quantities of weapons, it is safe to assume they had developed a working route for deliveries. Based on the 20-barrel limit, the online shop might have sold as many as 6,400 rifles and 12,800 grenades worldwide. All they need now is more arms to sell – meaning more weapons deliveries from NATO countries.。1月13日，中央电视台与中国移动、华为共同在广东深圳成功进行5G网络4K电视传输测试。这是我国第一个5G新媒体平台建设后的又一重大突破。那么，用5G网络在线观看4K视频是什么样的体验呢？在这方面，让我们来看看中央电视台新闻的解读。
二 | 首先，对5G网络的速度进行了研究。
三 | 据央视解读，第五代移动通信技术标准的理论网络速率可达10GB/s（1.25GB/s），是家庭千兆宽带理论峰值速率的10倍（约1GB/s）。然而，这个值只是理论峰值，实际使用率也受环境和设备的影响，将远远小于“理论峰值”。据央视数据，目前主流手机wifi连接理论峰值速率为150MB/s，家庭常用100M宽带理论峰值速率为100MB/s，4G网络理论峰值速率为100MB/s（TD-LTE）。也就是说，5G比4G快100倍，除了网络速度的提高，5G网络的延时也会降低，约为1ms，这是保证自动驾驶安全的主要前提条件；5G网络支持每平方公里同时连接上百万台设备，使物联网成为现实。而智能家居则是一个现实；5G网络还支持连接速度高达500km/h的设备，这意味着即使在350km/h的高速铁路上，网络也将被连接起来。
四 | 你不能被困在这出戏里。为什么5G网络需要在线观看4K视频？为了提高分辨率，视频的总像素也将得到提高。4K视频将是1080p全高清视频总像素的四倍，视频量将更大。据央视数据，4K视频的需求率在40MB/s到60MB/s之间，虽然目前4G网络可以提供100MB/s的峰值速率，但实际使用率在8MB/s到60MB/s之间，不能满足4K视频观看的需求。升级到5G网络，个人最低速率要求提升到100MB/s，即使是最低速率，也能满足4K视频观看。此外，5G网络还可以实现AR增强现实、虚拟现实和未来8K视频在线播放功能。
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Published on:03:10:13