• 目标回波信号水声探测系统主要信息来源

    Target echo signals are the main information source in underwater acoustic detection system.

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  • 最后分析了模拟目标回波经脉压滤波器处理结果

    Finally, the results of the simulated target echo signals passing through a compressed filter are analyzed.

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  • 研究了一基于相参雷达目标回波特征提取算法。

    The method of radar target waveform feature extraction is studied based on non coherent radar target echo.

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  • 对于这种目标回波信号检测可以利用相关滤波方法

    The method of improvement detection performance the target with High-Range-Resolution radar is a correlation filter.

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  • 由于目标回波的低信杂比,需要采集具有较高采样分辨率

    Besides, the target echo signal is often weak with strong noise, so data acquisition (DAQ) card should sustain high sampling frequency and resolution.

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  • 当舰速造成动静目标回波频谱近时,须改变信号实现补偿

    The close distance between moving and quiescent target spectrum caused by the moving carrier, Compensation was realized through the coherence signal parameter was changed.

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  • 提出了基于目标回波自相关矩阵分解提取目标特征方法

    A method extracting multiple target feature by the eigenvalues decomposition of target echo autocorrelation matrix is presented.

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  • 引信依据目交会状态精确控制炸点,需要目标回波获取信息

    Fuze must obtain information from the echo of target if it wants to accurately control the explosive spot according as the target-missile approaching status.

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  • 方法极大地提高了强度直达干扰主动声呐提取目标回波精度

    This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.

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  • 着重目标回波杂波噪声三个方面雷达回波信号进行了分析建模

    This paper realize the radar echo signal analysis and modeling from three aspects: contain the target echo, sea clutter, rain clutter and noise.

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  • 准确有效目标回波模型声纳目标特别是尺度目标探测识别基础

    An accurate and effective sonar target echo model is a basis of detecting and recognizing sonar target, especially small scale target.

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  • 基于斜视成像几何模型分析了目标回波信号距离走动比距离弯曲大得多特点

    Based on the imaging geometry of squint mode, the characteristics of echoes in squint mode are analyzed in this paper.

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  • 脉冲压缩雷达目标回波具有很高压缩匹配干扰信号则压缩比很小。

    Pluse compressed radar has a high pluse compression ratio for target signals, but low compression ratio for not matched jamming signals.

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  • 方法提取目标回波信号、提升其信号强度抑制杂波干扰噪声良好效果。

    This method is good for the echo signal is distilled and the intensity is advanced and the clutter and the yawp are restrained.

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  • 方法目标回波信号采用相干视频模拟法视频上模拟目标回波多普勒频率

    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.

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  • 根据区域目标模型可以计算出测绘区域目标回波信号,经处理得到测绘区域图像

    With this simulation targets model, the targets return signals will be calculated. And then the images of the scanning area are given.

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  • 利用回波目标回波时域波形差异提出一种基于灰色理论的箔条干扰识别方法

    This paper presents a recognition method of chaff jamming by difference of time domain waveforms between echoes of target and of the chaff.

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  • 为了模拟水下运动目标声呐回波,研究了一种高精度多功能水下目标回波模拟技术

    To simulate the sonar echo of the underwater moving target, a high precision and multi-function underwater target simulation technique is proposed.

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  • 并且讨论脉冲参体制雷达目标回波相位信息以及目标信号的多普勒谱特性

    Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.

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  • 通过目标回波处理实现了目标自动识别最后给出了它们实际应用中的结果

    Automatic recognition of target number is realized through processing of target echo, and some practical results is given at end of this article.

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  • 给出一个基于飞机目标回波波形机群目标进行分类识别分辨雷达目标识别系统例子

    This paper gives an example of echo-shape based ATR system of the low-resolution radar.

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  • 讨论了无雷达成像平动补偿,建立目标回波模型,利用相邻回波包络的相关性进行运动补偿。

    Motion compensation for passive radar imaging is discussed in the paper and echo-signal models for target are given.

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  • 红外激光测距中,一般是通过测量发射连续激光脉冲目标回波信号相位差求得距离的。

    We obtain the distance by measuring the difference of the phase between the continuous laser signal transmitted and the signal reflected by the object in the infrared rays distance measure.

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  • 针对目标回波检测,本文采用了时间相干积累方法仿真结果表明方法提高了目标回波积累峰值;

    Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.

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  • 无源雷达系统接收信号部分组成:直达波信号、静物回波信号、动目标回波信号以及干扰噪声

    The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.

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  • 雷达目标模型提取目标轮廓重心特征参数,进而通过模型匹配目标回波进行判别处理的过程。

    Radar target modeling is a technology which can extract the targets outline and barycenter characteristic, then does the distinction processing through the model matching to targets.

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  • 利用多重概念杂波舰船雷达目标回波进行了分析,并提取出多重分形特征用于舰船目标检测

    In this paper, sea clutter and radar echoes from ship targets are analyzed with the concept of multifractal, and their multifractal dimensions are extracted for detection of ship targets.

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  • 研究信号杂波噪声在信号处理之后统计特性通过仿真系统产生了目标回波数据检测背景噪声。

    This paper also studies the statistics characteristic of signal, clutter and noise after the system disposal, and generates target data and detecting background noise using the simulated system.

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  • SAR目标回波基带信号产生模块SAR目标回波模拟器关键单元之一,设计影响到模拟器系统的性能

    SAR echo base-band signal produce module is the key unit of the SAR echo signal simulator, its design affects the performance of the SAR echo signal simulator.

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  • SAR目标回波基带信号产生模块SAR目标回波模拟器关键单元之一,设计影响到模拟器系统的性能

    SAR echo base-band signal produce module is the key unit of the SAR echo signal simulator, its design affects the performance of the SAR echo signal simulator.

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