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这次起飞的翼龙-2H 无人机是从贵阳附近起飞的,抵达河南上空后依然能提供 5 小时的滞空时间,算上来回飞行时间和预案里预留的任务冗余,整个滞空能力至少是 20 小时往上。

一个被经常问到的问题是「为什么只出动了一架」而非「多架次接力保证全时覆盖」,因为现在只有这一架,真的没有多。

这个项目中航去年年中才做出来,还在进行进一步的测试和改进,要把基站上天、信号中继、组网等各种功能全部集成在吊舱里,还要做到极高的可靠性、可用性,还要能保证能耗不高,能配合长时间滞空的任务需要,真的非常难。(初号机永远滴神!)

这次河南的灾情对这套系统可以说是第一次实战级别的检验,而相信这个项目投产以后,我们的应急航空能力也会大幅提高。如果下次有需要的话,可能起飞的就不是一架无人机,而是一个能提供全时通讯能力覆盖的机群了。

河南加油,中航加油。



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这次起飞的翼龙-2H 无人机是从贵阳附近起飞的,抵达河南上空后依然能提供 5 小时的滞空时间,算上来回飞行时间和预案里预留的任务冗余,整个滞空能力至少是 20 小时往上。

一个被经常问到的问题是「为什么只出动了一架」而非「多架次接力保证全时覆盖」,因为现在只有这一架,真的没有多。

这个项目中航去年年中才做出来,还在进行进一步的测试和改进,要把基站上天、信号中继、组网等各种功能全部集成在吊舱里,还要做到极高的可靠性、可用性,还要能保证能耗不高,能配合长时间滞空的任务需要,真的非常难。(初号机永远滴神!)

这次河南的灾情对这套系统可以说是第一次实战级别的检验,而相信这个项目投产以后,我们的应急航空能力也会大幅提高。如果下次有需要的话,可能起飞的就不是一架无人机,而是一个能提供全时通讯能力覆盖的机群了。

河南加油,中航加油。

BY wulabing的杂谈blog


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Spiking bond yields driving sharp losses in tech stocks

A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year. A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.

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