可见光通信系统在远洋船舶通信中的应用研究
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摘要
在远洋船舶通信中,利用基于PID的船舶通信方法、基于CAN总线的船舶通信方法等传统船舶通信方法,其通信速率较低,因此提出一种基于可见光通信系统的远洋船舶通信方法,基于可见光通信系统对远洋船舶通信传感器进行设计,包括压力、湿度、温度等数据的传感通信,利用通信传感器进行船舶图像信息采集与船舶语音信息采集,利用DCT二维变换公式将采集得到的数据信息进行压缩处理,实现了基于可见光通信系统的远洋船舶通信。为了验证该方法的有效性,与基于PID的船舶通信方法、基于CAN总线的船舶通信方法进行对比,得出该方法的通信速率为82.3%。通过比较可知,本文所提方法的通信速率高于传统船舶通信方法,证明了该方法的有效性。
In ocean-going ship communication, traditional ship communication methods such as PID-based ship communication method and CAN bus-based ship communication method have low communication rate. Therefore, an ocean-going ship communication method based on visible light communication system is proposed. The communication sensor of ocean-going ship is designed based on visible light communication system, including pressure, humidity and temperature. In the sensor communication with equal data, the ship image information acquisition and the ship voice information acquisition are carried out by the communication sensor, and the acquired data information is compressed by the DCT two-dimensional transformation formula, thus realizing the ocean-going ship communication based on the visible light communication system.In order to verify the effectiveness of this method, the communication rate of this method is 82.3% compared with the ship communication method based on PID and the ship communication method based on CAN bus. The comparison shows that the communication rate of this method is higher than that of the traditional ship communication method, which proves the effectiveness of this method.
In ocean-going ship communication, traditional ship communication methods such as PID-based ship communication method and CAN bus-based ship communication method have low communication rate. Therefore, an ocean-going ship communication method based on visible light communication system is proposed. The communication sensor of ocean-going ship is designed based on visible light communication system, including pressure, humidity and temperature. In the sensor communication with equal data, the ship image information acquisition and the ship voice information acquisition are carried out by the communication sensor, and the acquired data information is compressed by the DCT two-dimensional transformation formula, thus realizing the ocean-going ship communication based on the visible light communication system.In order to verify the effectiveness of this method, the communication rate of this method is 82.3% compared with the ship communication method based on PID and the ship communication method based on CAN bus. The comparison shows that the communication rate of this method is higher than that of the traditional ship communication method, which proves the effectiveness of this method.
引文
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