发明名称 |
SYNCHRONISATION IN SECRET COMMUNICATION SYSTEMS |
摘要 |
A frequency hopping communication system whose transmitters and receivers after synchronization hop over a frequency series of a first type. To synchronize the transmitters and receivers, sync data from a transmitter are transmitted and received in portions spread over a frequency series of a second type in order to protect the transmission of sync data against jamming and eavesdropping. |
申请公布号 |
AU6969787(A) |
申请公布日期 |
1987.09.10 |
申请号 |
AU19870069697 |
申请日期 |
1987.03.04 |
申请人 |
HOLLANDSE SIGNAALAPPARATEN B.V. |
发明人 |
WILHELMUS JOSEPH HAM;JACOB THEODOOR NAGELHOUT |
分类号 |
H04B1/713 |
主分类号 |
H04B1/713 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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