• 研究频率雷达杂波背景噪声下地面海面目标探测

    This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar.

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  • 首先基于相位对消原理提出一种适用于扩展目标步进频率雷达信号处理方法。

    A phase cancellation method is presented for extended targets processing in stepped frequency radar.

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  • 步进频率雷达目标径向运动导致合成的目标径向一维距离像产生距离波形失真,需要对目标速度行估计补偿其影响。

    In stepped frequency radar, the velocity of targets must be estimated and compensated to eliminate the range migration and distortion due to target moving.

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  • 聚焦目的是从雷达回波消除目标径向运动影响保留步进频率的影响,后者合成hrr能力基础

    The purpose of autofocusing is to remove the radial motion effect of the target from radar echoes, and only reserve the stepped frequency effect which is the basis of synthetic HRR capability.

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  • 针对频率雷达本文提出了一种新的波相方法

    The paper proposes a novel method of clutter cancellation for stepped-frequency radar.

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  • 本文研究步进频率波形合成HRR雷达两种聚焦方法

    We investigate two autofocusing approaches for synthetic HRR radars using stepped frequency waveform in this paper.

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  • 补偿目标径向速度频率雷达合成距离像影响,提出一种目标径向速度估计方法

    A new radial velocity estimation method was presented to compensate the effects of the targets radial velocity on range profiles synthesized from a stepped-frequency radar.

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  • 针对重频频率雷达提出了抑制杂波的有效处理流程

    A processing flow is proposed to suppress the severe clutter in high pulse repetition frequency (PRF) stepped-frequency radar.

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  • 给出了毫米波频率步进雷达理想情况下距离像成像原理

    The principle of MMW stepped frequency radar for one dimension range imaging in ideal condition is introduced.

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  • 频率步进雷达一种距离分辨率雷达运动补偿实现距离分辨关键

    Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.

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  • 现代雷达获得较高距离分辨力通常采用编码频率脉冲串信号步进频率脉冲串信号,存在数据和较为严重的距离-多普勒耦合问题

    But these signal problems of range-Doppler coupling and low data ratio are still not solved completely although some encouraging results have been obtained and applied in the radar system design.

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  • 首先,给出宽带雷达信号具有分辨能力直观解释推导频率步进雷达合成高分辨距离像的通用数学表达式

    First, the basic expression of high-resolution one dimensional range profile of the stepped frequency (SF) is deduced to explain the high resolution of the wideband signals.

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  • 提出神经网络用于毫米波频率步进雷达目标一维距离像识别

    The wavelet neural network is applied in target identification of step frequency MMW radar. The results of experiment indicate that the method is valuable for target classification.

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  • 文中首先概述了频率雷达系统工作原理然后介绍频率步进雷达性能参数

    The basic theory of the stepped frequency radar system is summarized firstly, and the features of stepped frequency radar are analyzed in detail.

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  • 为了提高雷达低空探测性能本文讨论步进频率体制下,单脉冲测角的米波雷达方法

    A new method for height finding using monopulse measurement based on stepped-frequency system is discussed in this paper for enhancing low-altitude detection of metric-wave radar.

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  • 毫米波脉冲频率雷达宽带高距离分辨率雷达

    The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar.

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  • 目标速度以外,为毫米波频率步进雷达提供频率信号频率源的色散特性雷达分辨率造成恶化影响。

    Apart from target velocity, the dispersion of frequency synthesizer providing signals to radar also deteriorates the performance of radar.

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  • 频率步进雷达作为一种距离分辨率雷达,在精确制导武器中有着广阔的应用前景。

    When synthesizing high resolution range profile for stepped-frequency radar, the desire for target velocity compensation accuracy is very rigorous.

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  • 进频率信号一种增大信号带宽代价来提高雷达距离分辨力宽带信号。

    Steppedfrequency signal is a broad band signal which enhances range resolution of radar at the cost of increasing bandwidth.

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  • 频率步进合成分辨雷达体制受目标径向运动速度影响极大,为了获取目标准确的高分辨距离像,需要做运动补偿

    Target velocity has a big negative effect on synthetic high resolution range profiles of step frequency radar. In order to obtain precise profiles, velocity compensation is indispensable.

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  • 频率步进合成分辨雷达体制受目标径向运动速度影响极大,为了获取目标准确的高分辨距离像,需要做运动补偿

    Target velocity has a big negative effect on synthetic high resolution range profiles of step frequency radar. In order to obtain precise profiles, velocity compensation is indispensable.

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