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公开(公告)号:US4244053A
公开(公告)日:1981-01-06
申请号:US73812
申请日:1970-09-10
IPC分类号: H04K1/00
CPC分类号: H04K1/003
摘要: A privacy communication method and system which utilizes coherent, continuously changing frequencies for keyed, pulsed, and voice communications. A synthesized swept frequency or "chirp" signal imparts a privacy or secure communications capability to the communications signal by virtue of the random or pseudo-random nature of the transmitted signals which is programmed.
摘要翻译: 一种隐私通信方法和系统,其利用相干,连续变化的频率进行键控,脉冲和语音通信。 合成的扫频或“啁啾”信号通过编程的发射信号的随机或伪随机特性向通信信号赋予隐私或安全的通信能力。