1) double frequency beacon
双频信标
2) double frequency beacon
双频航标
3) Double frequency signal
双频信号
4) two-frequency signal
双频信号
1.
The dual-resonance characteristic of coupled bistable system affected by two-frequency signal;
双频信号作用下耦合双稳系统的双共振特性
5) dual-frequency communication
双频通信
1.
Has analyzed in the radio communication the neighbor disturbance production principle,the technology about the low frequency awakens,introduced dual-frequency communication in the driving-type RFID system,and has designed the high low-frequency communica-tion hardware circuit.
介绍了主动式RFID系统双频通信机制,并设计了高低频通信的硬件电路。
6) LFB Low Frequency Beacon
低频信标
补充资料：航标灯
| 航标灯 navigation mark light 为保证船舶在夜间安全航行而安装在某些航标上的一类交通灯。它在夜间发出规定的灯光颜色和闪光频率，达到规定的照射角度和能见距离。航标灯有固定灯标、灯浮标、灯船和灯塔4种。固定灯标、灯浮标和灯船是作导航和警告用的信标。灯塔在海上昼夜发出可识信号，供船舶测定位置和向船舶提供危险警告。航标灯多使用蓄电池作电源。小型灯塔已采用太阳能电池，大型灯塔则采用柴油发电机组作为主电源。
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条