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- sound ray tracking plotter 声线轨迹仪
- How to track sound ray of the multi-beam bathymetric in real-time and establish correction methods for different environment have become a hot pursuit in multi-beam bathymetric. 因此,针对不同的海区环境,实时对多波束测深系统的声线进行跟踪,选取或建立针对调查区的校正方法,以提高测量精度成为目前多波束勘测工作中的研究热点。
- Based on Fermat Theory,this paper sets up the differential equation of the ray track in the atmosphere,and explains the mirage phenomenon. 利用费马原理建立了大气中光线轨迹的微分方程 ,并解释了“空中绿洲”这一光学现象。
- Admire its " beautiful " person, those who like is it classic form and summary area is shady dumb sound ray is temperamental. 欣赏其“美”的人，喜欢的就是它经典的样式和略带暗哑的声线气质。
- Based on the atmospheric transmission model, through the actual ray track, the zenith angle is revised, which is a complicated function with launch angle and altitude. 摘要基于大气传输模型，采用光线传输的实际轨迹对天顶角进行修正处理，得出天顶角随发射角和传输高度的变化复杂函数。
- In this paper, finite state machine is established to model the sound ray tracing which formulates the internal states and transitions of sound ray propagation. 本文采用有限状态机对声线追踪建模,给出了声线追踪内在的状态及其转移分析。
- Since environment factors influence the bend of sound ray directly, the accuracy of sound velocity profile and its correction algorithm will affect multi-beam bathymetric accuracy. 声速剖面精度及其校正方法直接影响多波束测深数据的精度,其主要原因是由于环境参数直接影响着声线折射弯曲程度。
- Analysis and Control of Track Plotter Errors 航迹仪误差分析和控制
- This means the time delay between the transmitter and the receiver is larger than the time delay between them in the condition that the sound ray is straightaway, then positioning error is caused. 海洋中声速分布是不均匀的，因此由于折射效应，声音在海洋信道传播过程中其声线是弯曲的，声线弯曲意味着声信号从发射点到接收点的传播时延大于声信号直线传播的时延，致使定位产生误差。
- Chart Projection Algorithm and Error Analysis for Ship Track Plotter 船舶航迹标绘仪中的海图坐标投影及误差分析
- Numerical Solution of the Ray Equation and the Ray Track 光线方程的数值解与光线追迹
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- The Study of Engender Mechanism of Submarine Ray Track and Detectability 潜艇光尾流产生机理及其探测技术研究
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- I caught a curious sound in the neighboring room. 我听到隔壁房间里有奇怪的响声。
- I was awakened by the sound of church bells. 我被教堂的钟声吵醒。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- I quivered with fear at the sound. 我听见那种声音就吓得发抖。
- Her mouth open and shut, but no sound come out. 她的嘴张开又闭上了，没有发出声音。
