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- ultrasonic echo sounder 超声波回声测深仪,超声回波测深仪,超声回声测深器,超声测深装置
- A device used underwater to produce pulses of sound, as for an echo sounder. 声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置
- ultrasonic echo sounding 超声测深法
- Inspection installation and water tight transducer of echo sounder on berth. 测深仪的换能器船台安装和水密性检查。
- A device used underwater to produce pulses of sound,as for an echo sounder. 声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置。
- The simulated annealing method is applied to the simulation of ultrasonic echo in this paper. 摘要本文应用模拟退火算法来改进超声回波模拟问题。
- Inspection installation and water tightness transducer of echo sounder on berth. 测深仪换能器船台安装和水密性检查。
- In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder. 摘要在海底地形测量中，由于波束角效应导致探测的海底地形存在失真。
- By interaction between ultrasonic waves and elastic medium, it has carried much information of material, which are received in the form of ultrasonic echo signals. 它是利用超声换能器的振动产生的超声波与弹性介质相互作用,从而携带大量有关材料性能的信息,这种信息以超声回波信号的形式被接收到。
- Methods 17 patients were examined by trans thoracic echocardiography(TTE),and observed the membrane shape ultrasonic echo、blood stream change in aortic canal. 方法采用经胸超声(TTE)检查17例夹层动脉瘤患者,观察主动脉管腔内有无膜样回声及管腔内血流情况。
- The beam angle can badly influence the inspection ability of the single beam echo sounder. 波束角会严重影响单波束对海底管道的探测能力。
- As the sample of eraser, ultrasonic echo signal is collected to further prove the relationship between the echo displacements and the changing of temperature in the experiment. 实验中利用橡皮作为样品,采集超声回波信号,进一步验证了回波信号与温度变化之间的关系。
- The occurrence and development of GPS RTK technology with digital echo sounder creates a foundation for digital automated waterway dredging engineering quality inspection. 摘要全球定位系统RTK技术和数字测深集成技术的出现和发展，为航道疏浚工程质量检验的数字化自动化提供了基础。
- The wall can optimally absorb the echoing sound. 这墙能极有效地吸收回声。
- It is proved by simulation and experiment that we can obtain the TDE value precisely by this method and simultaneously the effect on TDE because of the ultrasonic echo specialty is avoided. 仿真与实验研究表明，该方法在高信噪比下可以精确得到时延估计值，同时避免了超声回波信号的慢衰减高频振荡特性对时延估计带来的影响。
- Function test of echo sounder. 测深仪效用试验。
- The navigation equipment includes a gyrocompass, a bearing repeater for the helmsman, a magnetic compass, a radar, a log, an echo sounder, aP Mark3 navigator plus wind direction and panels once again in the wheel house and repeated for the helmsman. 导航设备中有一台陀螺罗盘，一台供舵手使用的操舵罗经复示器，一台磁针罗盘，还有雷达，航程器，声纳，带风向仪的aPmark3导航仪，以及安装在舵舱内，供舵手使用的仪表板。
- A bispectrum-based approach is applied to extract feature information of cementing oil well from ultrasonic echoes. 给出了基于双谱提取固井胶结特征信息的方法,并利用这种方法对实际信号进行了处理。
- Echo sounding devices were early used in making maps of the ocean floor. 讲的是回声定位仪器最早用于绘制海底地图。很容易找到对应的答案。
- Bottom sediement classification by using the multibeam echo sounder data is a topic of interest to marine geologist, and is also a research hotspot of application of multibeam echo sounder data. 摘要利用声反向散射数据作海底沉积物分类，是海洋地质学家感兴趣的话题，也是目前多波束声纳应用的一个研究热点。
