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。
In acoustic signal processing, it is valuable to determine whether a real room acoustic system is nonlinear deterministic.
实际房间声学系统是否具有非线性确定性是声学信号处理中值得研究的问题。
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。
The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
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。
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。
The system works in active mode. The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
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。
The design and implementation of an acoustic signal acquisition and processing system used for acoustic field visualization is presented in this paper.
基于虚拟仪器技术设计与实现了一种用于声场可视化的声信号采集与处理系统。
This is the physical fundament of acoustic vector signal processing.
这是声矢量信号处理的物理基础。
The hardware of receiving and transmitting unit in the acoustic head contain the analog receiver and digital signal processing card.
声头内收发单元的硬件主要包括模拟接收机和数字信号处理机以及功放机。
Under this background, we try to review recent progress in study on acoustic vector sensor signal processing, such as signal detection, DOA estimation, beamforming, and so on.
在此背景下，本文尝试综述声矢量传感器信号处理研究的当前进展，如信号检测、DOA估计、波束形成等。
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。
It introduces the method of wavelet transformation applied in the acoustic wave signal processing and how to use this method to implement the function of filtering the waves.
讨论了在声波信号处理中所使用的小波变换方法，以及用这种方法所实现的滤波功能。
As oceanic reverberation is the main interference to acoustic object detection, suppressing the chaos by signal processing is an important task.
海洋混响是水声信号目标检测的主要干扰之一，克服混响干扰一直是水声信号处理的一个重要课题。
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。
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。
Surface Acoustic Wave Filter (SAWF) is a sort of analogue device for signal processing.
声表面波器件是一种新型的模拟信号处理器件。
Abstract: the simulation of acoustic emission signal processing of pressure pipeline crack micro leakage with the localization of the leaking source was carried out under the laboratory condition.
摘要：在实验室的条件下模拟压力管道裂纹微泄漏源的声发射信号处理与泄漏源定位。
Based on the characteristic of the array acoustic full waveform signal, a system of signal acquisition and processing, fitting for practical project, has been designed.
针对阵列声波测井中声波全波列信号的特点，设计了一种满足实际生产作业要求的井下信号采集与处理系统。
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。
A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。
A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。
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