| 带有编码解码系统的气象报警发射机 |
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| 引用本文： | 刘素洁,薛勇波.带有编码解码系统的气象报警发射机[J].沈阳航空工业学院学报,1995,12(3):20-27. |
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| 作者姓名： | 刘素洁 薛勇波 |
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| 作者单位： | 沈阳航空工业学院电子工程系 |
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| 摘 要： | 本文提出了一种新的气象报警系统，此系统采用数字编码和锁相频率合成技术，使传送信息由原来的１６种提高到４０９６种，实现了异频传送，并具有单呼和群呼功能，可适用于海洋气象报警、森林火灾报警、仓库遇险报警及单独信息交流。
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| 关 键 词： | 编码 锁相频率合成 解码 气象报警系统 |
Weather Forecast Emitter with Coding and Decoding |
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| Liu Sujie.Weather Forecast Emitter with Coding and Decoding[J].Journal of Shenyang Institute of Aeronautical Engineering,1995,12(3):20-27. |
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| Authors: | Liu Sujie |
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| Abstract: | This paper presents a new weather alarm emitter adapted digital coding and phase-locked frequency synthesis techniques. Differential frequency transmission is achieved, it conveys the message kinds from 16 to 4096, and has single call and group call functions. It can be used widely in sea state alarm, forest fire alarm, store house in danger alarm and information exchange one by one. Gelai code proposed by POCSAG is adapted for converying message savely. |
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| Keywords: | coding phase-locked frequency synthesis prescale unit man-machine inferface |
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