Cryptology and the origins of spread spectrum: Engineers during World War II developed an unbreakable scrambler to guarantee secure communications between Allied leaders; actress Hedy Lamarr played a role in the technology
Cryptology and the origins of spread spectrum: Engineers during World War II developed an unbreakable scrambler to guarantee secure communications between Allied leaders; actress Hedy Lamarr played a role in the technology
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密码学和扩频的起源：第二次世界大战期间，工程师们开发了一种牢不可破的扰频器，以保证盟军领导人之间的安全通信；
作者：
Hedy Lamarr
作者描述了二战期间被称为sigsally的扰频器的发展，该扰频器用于丘吉尔和罗斯福之间的对话，并提供了扩频通信的早期示例。
The author describes the development of the scrambler called SIGSALY during World War II that was used for conversations between Churchill and Roosevelt and provides an early example of spread-spectrum communication.