NASA is returning four astronauts to Earth early from the International Space Station due to a medical concern with one of the Crew-11 astronauts. Here's the latest news. The four astronauts of SpaceX ...
Photonic Generation of Flexible and Adjustable Triangular and Square Waveforms Based on a Comparator
Abstract: A photonic approach to generating triangular and square waveforms using a comparator is proposed. Beginning with a sinusoidal waveform, a comparator comprising two Mach-Zehnder modulators ...
Abstract: The sine carrier is widely used to realize the modulation for the information in many fields like electrical communication and scientific measurement. Specifically in high-precision ...
这是我做的一款「方头像」生成器：打开网页，几秒钟就能捏一个有性格的小方脸。支持 12 大类、200+ 项可选，发型、眼睛 ...
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