摘要
接收端接收到的光线是随时间变化的,所以通过运算就可以得到水表面微波的频率特性,又由水表面微波理论知道,水表面微波的振动频率等于水下声信号的频率,而水表面微波的频率又跟水表面微波的振动频率存在一定关系,因此,通过统计接收到的光线的变化规律,并根据水表面微波与它的振动频率的关系,就可以得到水下声信号的信息.在此理论的基础上,本文从光学的角度提出了光线分析理论模型,并对这一理论模型进行了分析、计算,为激光探测水下声信息理论的更进一步分析奠定了一定基础.
The frequency quality of surface tiny fluctuation can be calculated from the variation of the laser beam incepted from the laser receiver. Based on the surface tiny fluctuation theory that the frequency of underwater acoustic is equal to the vibration frequency of surface tiny wave which has relationship with the frequency of surface tiny wave, we can receive the information of the underwater acoustic by summarizing the laser beam received from the laser receiver. On the base of the theory, we brought and analyzed the model of beam analyzed theory in this paper, and laid a certain foundation for the next work and study of the underwater acoustic detecting theory.
出处
《安徽师范大学学报（自然科学版）》
CAS
2007年第4期451-454,共4页
Journal of Anhui Normal University(Natural Science)
基金
安徽省教育厅自然科学基金项目(2006kj039b)
安徽师范大学校青年项目(2006xqn59)
关键词
水下声信息
水表面微波
激光探测
幅度调制
underwater acoustic
surface tiny fluctuation
photoelectric detecting
intensity modulation
