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6d
由数字示波器的方波拐角引发的思考:时域VS频域
一个肉眼看起来十分平滑的正弦波,里面有没有谐波和非谐波分量?一个方波的拐角,为什么用数字示波器观察总是没办法呈现出一个完美的直角?这些问题时常会困扰一些没有接触过频谱分析仪的用户朋友。而频域,这个隐藏在时域背后的角色,似乎被蒙上了一层神秘的面纱,让一 ...
16d
美国和新加坡举行第14届战略安全政策对话
据美国防部9月13日消息,第14届美新战略安全政策对话在美举行。双方讨论新兴合作领域,包括实施《数据、分析和人工智能合作意向声明》以及国防创新进展。新加坡分享决定支持《印度-太平洋国防工业基地合作原则声明》以及参与“印度-太平洋工业复原力伙伴关系”的意图。
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