查询词典 sonar

In this dissertation, we study a supergain hydrophone array to improve the detection performance of passive sonar.

随着舰船噪声的降低，对被动声呐的检测性能提出了巨大的挑战。

The experimental results indicate that the LMBP neural network has higher classification rate, more rapidly converge velocity by comparing with other improved BP algorithm and the Radial Basis Function neural network. Through the experiments of recognizing the sonar image polluted with Gaussian noise, it is proved that the LMBP neural network has good stability and better anti-noise performance.

通过与标准BP算法和几种常用改进型BP神经网络以及径向基函数网络比较，验证了用LMBP神经网络作为声纳图像识别系统中的分类器，能够提高图像的识别率，加快网络的收敛速度，通过对受不同程度高斯白噪声污染的声纳图象的识别，验证了其性能稳定，具有较好的抗噪声性能。

It is more and more imminently pressive for the speed of data processing in underwater acoustic digital signal processing. Now Real-time digital signal processing has been an important part of sonar system.

在水声信号处理中，对数据处理速度的要求越来越迫切，实时数字信号处理已经成为声呐系统中的重要组成部分。

Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system.

线谱是水中目标辐射噪声中重要的特征信息，在被动声呐系统中，线谱提取是水中目标识别的关键技术。

In order to achieve higher accuracy in probing seabed property, forming the image of lineation with higher sonar strength becomes a basic rule for judgment.

必须利用声纳在线形的优势成像以及强度具有鉴别度的条件下，进行海床底质的推估，才具有较高的正确性。

I need a magnetometer, I need a side scan sonar.

我要磁力计和搜索声纳

The paper realizes the echo image and the interaction interface non-twinkle display by off-screen drawing , the echo image all-round sweep dynamic display and the simulation of functions of the sonar simulator.

通过离屏绘制实现了回波图像及人机交互界面的无闪烁显示，并实现了回波图像的圆周扫描动态显示和渔用声纳模拟器各种功能的模拟。

Based on bat sonar technology and pattern classification, a texture classification system was set up to classify three types of texture: pasteboard, foamboard and woodboard.

在蝙蝠的回波定位和目标识别模型的基础上完成了目标材质识别的工作。

See also Decibel, Photophone, and SONAR.

参见 Decibel、Photophone和SONAR。

The land-sonar is presented in this paper, which is based on the principle of elastic reflection wave and is a method of geological forecasting in tunnel construction.

作为地震反射法一个变种的陆地声纳法，是一种易掌握、仪器轻便的隧道掌子面前方地质预报的方法，它用锤击震源在隧道掌子面上设排列和测点工作，在预报岩溶、断层及破碎带、岩脉等方面成功地进行了20多个工区的预报，1995年通过了铁道科学院和铁道部鉴定。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。