中国激光, 2009, 36 (11): 2934, 网络出版: 2009-11-11   

船载无线激光通信系统模拟运动平台的研制

Study and Simulation of the Moving Ship Platform with Free-Space Optical Communication System
作者单位
1 南京邮电大学光电工程学院,江苏 南京 210003
2 江苏省海事职业技术学院轮机系,江苏 南京 211170
摘要
无线激光通信具有通信容量大、数据传输速率高、抗电磁干扰能力强、保密性高、功率消耗小、结构轻巧等主要优点,是未来船舶间通信的发展趋势。研究了船载无线激光通信系统中的模拟运动平台。该运动平台主要由水平移动台、垂直升降台、旋转台和摆动台四部分组成,分别模拟船舶在海浪中的四种摇荡运动:纵荡、垂荡、首摇和横摇。本文根据船舶运动方程,采用线性系统理论分析船舶在海浪中的摇荡运动规律,由海浪谱得到船舶摇荡运动谱,进而得到船舶摇荡运动方程。通过这四种运动合成出船舶在海浪中复杂的运动状态,从而在实验室条件下模拟出船舶在各种不同海况中的运动情况,为研究船载激光通信系统提供仿真实验环境。对该运动平台的操纵控制由计算机实现。
Abstract
Free-space optical communication (FSOC),which features the large capacity,high data transmission rate,high anti-EM interference capability,good security,low power consumption,small dimension and simple structure,is the tendency of the communication between ships in the future. This paper studies the simulated moving platform of the ship-borne laser communications system,which mainly consists of four parts:a horizontal,a vertical,a rotating and a swing moving platforms,simulating ship′s four swaying motions in wave:surge,heave,roll and yaw respectively. According to the ship motion equations,we mainly discuss the motion law of the ship in the wind waves by using linear system theory. These four movements can be used to synthesize ship′s complex movements in waves,and thus could simulate ship′s movements in various sea conditions in laboratory,providing a simulation experimental environment for studying the ship-borne laser communications system. The manipulation and control of the platform are realized through computer.

卢莎, 梁忠诚, 汪亭玉, 薛威阳. 船载无线激光通信系统模拟运动平台的研制[J]. 中国激光, 2009, 36(11): 2934. Lu Sha, Liang Zhongcheng, Wang Tingyu, Xue Weiyang. Study and Simulation of the Moving Ship Platform with Free-Space Optical Communication System[J]. Chinese Journal of Lasers, 2009, 36(11): 2934.

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