| 自由空间基于激光编码调制技术语音通讯机的系统设计 |
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| 引用本文： | 李任青. 自由空间基于激光编码调制技术语音通讯机的系统设计[J]. 现代电子技术, 2007, 30(23): 16-19 |
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| 作者姓名： | 李任青 |
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| 作者单位： | 南昌大学共青学院,江西,南昌,332020 |
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| 摘 要： | 基于自由空间光通讯(FSO)技术和OCDMA编码调制技术实现了自由空间语音异地通讯,具有高速高效、抗干扰能力强、保密性好等优点。系统设计采用双CPU结构,主控CPU单元主要实现语音采集、信号编码、数字调制等功能,辅单片机则为FSO关键技术ATP伺服系统的控制核心,论述了设计要点,并给出了测试结果。
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| 关 键 词： | 自由空间光通讯 OCDMA编码 语音通讯 ATP伺服系统 |
| 文章编号： | 1004-373X（2007）23-016-04 |
| 收稿时间： | 2007-05-16 |
| 修稿时间： | 2007-05-16 |
System Design of Voice Communications in Free Space Based on FSO and OCDMA |
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| LI Renqing. System Design of Voice Communications in Free Space Based on FSO and OCDMA[J]. Modern Electronic Technique, 2007, 30(23): 16-19 |
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| Authors: | LI Renqing |
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| Affiliation: | Communist Youth League College, Nanchang University, Nanchang, 332020, China |
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| Abstract: | The design based on the Free Space Optical communications(FSO) technology and OCDMA encoding modulation technology to achieve a freedom of speech CPU communication with high efficiency,anti-interference capability,and confidentiality good.System design applies dual CPU structure,controlling the CPU module main voice acquisition,signal encoding,the CPU digital modulation function,secondary SCM is the key FSO technology ATP servo control system core,the paper describes the design features,and gives the test results. |
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| Keywords: | FSO communications OCDMA encoding voice communication ATP servo system |
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