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。
Quadrature coherent detection can reserve all information of the complex envelope of signals, and it is therefore widely used in signal processing.
正交相干检波可以将复包络的所有信息进行保留，所以在数字信号处理中得到广泛应用。
The coherent quadrature detector is one of the key technologies for providing high quality quadrature signal for digital signal processing in radar, sonar, communication and other systems.
正交相干检波是雷达、声纳和通信等系统中为数字信号处理提供高质量的正交信号的关键技术之一。
The quadrature coherent detector is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
正交相干检波可以保留信号复包络的所有信息，因而在信号处理领域中有广泛的应用。
The quadrature coherent detection is widely used in signal processing field, since it can reserve all information of the complex envelope of signal.
正交相干检波保留了信号复包络的所有信息，因而在信号处理中得到了广泛应用。
This paper introduces the pulse compression, side lobe cancellation, clutter suppression, pulse accumulation and CFAR of coherent Radar signal processing.
本文介绍了脉冲压缩、旁瓣抑制、杂波处理、多脉冲积累以及恒虚警检测等雷达信号处理技术。
The article Proposes a coherent-differential method of signal processing on coherent metering speed principle.
本文在相关测速原理基础上提出了相关差值法的信号处理方法。
The time of the combined A P signal is coherent, so the algorithm is implemented with digital signal processing (DSP).
这个联合信号具有幅度、相位时间一致性好，便于用DSP实时实现的优点。
It is necessary to remove coherent noises and random noises in seismic data processing to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要去除地震资料中的随机噪声和相干噪声。
Previous sparse band coherent processing methods are mainly for one-dimensional sparse vector and directly use sine signal model for analysis.
以往这类问题主要针对一维稀疏向量，且都直接采用正弦信号模型开始分析。
It is necessary to remove coherent noises and random noises in seismic data processing in order to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要消除地震资料中的随机噪声和相干噪声。
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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