摘要
介绍了水下电流场通信的原理,并根据电流场的特点提出了利用恒流场模型作为水下电流场通信的模型,得到了输入输出之间的关系,分析了电流场通信方式的优势,探讨了水下电流场通信系统设计中需注意的几个问题,得到以下结论:通信频率最好选择在甚低频段;增大某一方向通信距离;收发两点电极的垂直平分线重合或电极基线重合;采用窄带、能量利用率高的调制解调方式以达到抗干扰的方法,为进一步研究水下电流场通信系统提供一定的参考。
This paper introduces the principiumin of underwater electric current communication,In terms of the character of electrical current field,the constant current field model is brought forward for the electrical current field communicatin,and the relation between input and output is given,the advantages of electric current communication are analyzed.Several attentive problems in designing underwater electric current communication systerm are discussed.The conclusions include the communication frequency had better opt for VLF;increasing the communication distance in a certain orientation;the vertical bisectors or baselines of the receiving electrodes and transmiting electrodes should be superposition;in order to achieve the aim of anti-jamming,the way of modulate and demodulation should choose narrowband and high-level power efficiency,which will be stated referrence on studying more underwater electric current communication systerm.
出处
《舰船科学技术》
2010年第2期56-58,共3页
Ship Science and Technology
关键词
接收天线
电流场
恒流场
电偶极子
receiving antenna
electric current
constant current
electric dipoles
