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Vor einem Tag · Due to the favorable propagation characteristics of the low-frequency spectra, 802.11ah can provide improved transmission range compared with the conventional 802.11 WLANs operating in the 2.4 GHz and 5 GHz bands. 802.11ah can be used for various purposes including large-scale sensor networks, extended-range hotspots, and outdoor Wi-Fi for cellular WAN carrier traffic offloading, whereas the ...
Vor einem Tag · A space elevator is a futuristic space transportation technology that enables low-cost and versatile payload transportation using climbers on a tether deployed from the geostationary orbit (GEO). In particular, a nonequatorial space elevator, which contains an anchor in a region with latitudes on the Earth, has recently attracted attention. It has several advantages, such as extending the ...
Vor einem Tag · 1、什么是低保真原型. 低保真原型通常运用在产品设计或 APP 设计的初步阶段，通常是将文字描述的设计概念和想法转换为 可视的、有形的原型 ，能够进行页面布局的设计，以及简单交互功能的添加，方便整个设计团队的设计和开发。. 在一款 APP 产品的开发 ...
