During underwater signal processing, parameter estimation and target identification are two kinds of important problems.
在水下信号处理中,参数估计和目标识别是两类非常重要的问题。
Through lab simulator test and lake trial, the underwater signal processing module is proved to be satisfied with the system's demand and is with high time delay precision and reliability.
通过实验室的模拟器调试和湖试的验证,证明了水声信号处理模块符合系统要求,具备较高的时延估计精度及可靠性。
It's well known that underwater acoustic channel is a coherent multi-path channel, which brings difficulties in signal processing because of the complexity of the received signal sequence.
众所周知,水下声信道是相干多途信道,信号在信道中的多径传播使得接收信号序列复杂化,因而极大地增加了信号处理的难度。
Because the system has the characteristics of the high integration, excellent portability and expansibility, it is applied to the underwater acoustic array signal acquisition and processing.
该系统集成度高,具有良好的便携性和可扩展性,在水声基阵信号采集与分析中广泛应用。
The system can realize the space signal processing and real time signal processing. It has been successfully applied in underwater weak signal detection.
该系统能够实时实现信号的空间处理和时间处理等,并在水下弱信号检测中得到应用,取得了良好的结果。
Sonar signal processing remains the most complicated branch in the field of signal due to such reason as the complexity of underwater acoustic channels.
由于海洋声信道结构的复杂性,声呐信号处理始终是信号处理领域中最复杂的分支。
The question of passive localization of the underwater sources using matched-field processing is one of the hot topics in the field of underwater acoustical signal processing.
利用匹配场处理器技术对水下目标进行被动定位是国际水声界关注的热点问题之一。
Broadband array signal processing is a main direction of underwater acoustic signal processing, but the broadband signal processing is more complex than that of narrowband.
宽带阵列信号处理是水声信号处理的一个主要研究方向,但是宽带水声信号的处理远比窄带信号复杂的多。
So it is necessary to realize real-time digital signal processing of underwater acoustic vector signal.
实现声矢量信号的实时处理是十分必要的。
In this paper, the Sonar theory and algorithms which are applied in underwater acoustic signal processing are preliminarily studied and the emphasis is placed on the realization of the system.
提高声呐系统中信号处理机的处理能力也迫在眉捷,本文对应用于水声信号处理的声呐原理及算法进行了初步的研究,重点在于工程的实现。
Signal processing in phase space based on nonlinear dynamics theory is a new method for underwater acoustic signal processing.
基于非线性动力学理论的水声信号相空间处理,是水声信号处理的一种新途径。
An application of Hilbert-Huang Transform in underwater acoustic vector signal processing was introduced and a new method of vector Hilbert-Huang Transform (vector HHT) was developed.
将希尔伯特黄变换应用于水声矢量信号处理之中,提出了矢量希尔伯特黄变换法(矢量hht)。
Time Reversal processing (TRP) is a signal processing method based on the focusing property. It attached more attention in underwater acoustic communication, active detection and so on.
时间反转处理(trp)是利用这种聚焦特性的信号处理方法,它在水声通信、主动声纳检测这类脉冲—回波型领域的应用研究越来越受到重视。
Acoustic signal processing, underwater acoustic communication and network, acoustic nondestructive test.
声信号处理,水声通信与网络,声无损检测。
Aiming at the application of underwater wide band processing, coherent signal-subspace processing method (CSS) for high resolution DOA estimation of under water wide band sources was studied.
针对水下宽带处理的应用,研究了宽带高分辨方位估计的相干信号子空间处理方法(CSS)。
Aiming at the application of underwater wide band processing, coherent signal-subspace processing method (CSS) for high resolution DOA estimation of under water wide band sources was studied.
针对水下宽带处理的应用,研究了宽带高分辨方位估计的相干信号子空间处理方法(CSS)。
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