And a new focussing matrix is proposed in coherent signal-subspace met...
而信号子空间法给出了聚焦阵构造的新方法。
And a new focussing matrix is proposed in coherent signal-subspace method.
而信号子空间法给出了聚焦阵构造的新方法。
Optical correlation is realized by using turn-mirror scanning non-coherent signal dynamically.
利用转镜进行非相干光的动态扫描可以实现光信号的相关。
This paper presents a new method for estimating two dimensional Angle of arrival in the presence of coherent signal sources with two parallel linear array.
提出一种基于双平行线阵有相干信号源存在情况下二维波达方向估计的新算法。
Theory and simulation results have proved and certificated that this method is able to excellently resolve the coherent signal sources of lower ratio of signal and noise.
理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。
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)。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
本方法对目标回波信号采用了相干视频模拟法,在视频上模拟目标回波的多普勒频率。
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 matching of the local light wavefront and signal light wavefront in the laser coherent array imaging radar system will directly affect the sensitivity and resolution of the system.
激光相干阵列成象雷达系统中本振光波前与信号光波前匹配与否直接影响系统的灵敏度和分辨力。
Thus, as compared with the conventional time-normalization method, the proposed technique ensured the accumulation coherent of the signal energy could be.
与通常使用的时间尺度归一化技术相比,所提出的技术保证了信号能量的相干积累。
The coherent interfering signals can cause "signal cancellation" phenomena, which can make many excellent adaptive beamforming algorithm ineffective.
相干干扰的存在会导致“信号相消”现象,使很多优秀的波束形成算法失去作用。
This paper describes the process that establishes the coherent clutter video signal module and the design and realization of real-time simulation system in radar multi-target simulation system.
阐述了在雷达多目标仿真系统中杂波相干视频信号模型的建立过程和实时仿真系统的设计及实现。
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。
The mixing efficiency in coherent lidar of an Airy signal field with a Gaussian local-oscillator(LO) is discussed with the consideration of the effect of wavefront matching of both fields.
相干激光雷达接收机中,信号光为平面光经衍射形成的艾里斑,本振光为基模高斯光束,在文章中对两者在探测器光敏面上混频的混频效率进行了讨论。
With coherent detection, radio frequency (RF) signal can be recovered with simultaneously suppressed second-order distortion and third-order intermodulation.
通过相干检测的方式,可以恢复出不受二阶和三阶干扰的射频信号。
The frequency spectrum and the coherent function of the signal were analyzed.
分析了信号的频谱及相干函数。
It is a new kind of signal separation algorithm base on the partial time-domain coherent algorithm USES the adaptive filter analysis technology.
在偏时域相干算法的基础上,采用自适应滤波分析技术,是一种新的信号分离算法。
The principles of realizing quadrature coherent detector by direct sampling of bandlimited signal are discussed in this paper. They have great practical value in engineering.
本文讨论了用直接对带限中频信号进行采样的方法来实现正交相干检波的基本原理,它们在工程实际中有很大的实用价值。
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 signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.
无源雷达系统接收到的信号有四部分组成:直达波信号、静物回波信号、动目标回波信号以及干扰噪声。
In phase-coherent communication system, phase-locked loop is always used to yield coherent reference signal.
相位相干通信系统中,通常采用锁相环路来产生相干参考信号。
The uniform pulse sequence signal is one of the most simple and the most important forms in coherent pulse-sequence signals, so it has a certain meaning to study uniform pulse-sequence signals.
均匀脉冲串信号是相参脉冲串信号中最简单但也是最重要的一种,所以对其研究有一定的意义。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
理论分析和计算机仿真结果均表明,在低信噪比的情况下,相参积累方法可以提高UWB雷达的目标识别概率。
The method of correlative detection of radar signal based on polarization coding and phase coding for the coherent radar is proposed in this paper.
针对相参雷达体制,提出了基于极化和相位编码的雷达信号相关检测方法。
This thesis has analyzed SAR coherent jamming theory, 2-d convolution algorithm for SAR coherent jamming signal generation, and provided a fast algorithm.
本文在分析SAR相干干扰原理、用于SAR相干干扰信号产生的二维卷积算法的基础上,提出了一种快速算法。
Application of our algorithm to real dataset shows that it can generate real coherent cube image with high resolution and signal-to-noise ratio, thus providing more abundant geological information.
实际资料处理结果表明,所提出的算法可以获得真实的、高信噪比和高分辨率的相干体图像,从而提供更丰富的各种地质信息。
Application of our algorithm to real dataset shows that it can generate real coherent cube image with high resolution and signal-to-noise ratio, thus providing more abundant geological information.
实际资料处理结果表明,所提出的算法可以获得真实的、高信噪比和高分辨率的相干体图像,从而提供更丰富的各种地质信息。
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