研究了用脉间步进频率雷达对杂波背景噪声下地面或海面动目标的探测。
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.
首先基于相位对消原理提出一种适用于扩展目标的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.
步进频率雷达中,目标的径向运动将导致合成的目标径向一维距离像产生距离徙动和波形失真,需要对目标速度进行估计以补偿其影响。
In stepped frequency radar, the velocity of targets must be estimated and compensated to eliminate the range migration and distortion due to target moving.
自聚焦的目的是从雷达回波中消除目标径向运动的影响,只保留步进频率的影响,而后者是合成hrr能力的基础。
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.
针对频率步进雷达,本文提出了一种新的杂波相消方法。
The paper proposes a novel method of clutter cancellation for stepped-frequency radar.
本文研究步进频率波形合成HRR雷达的两种自聚焦方法。
We investigate two autofocusing approaches for synthetic HRR radars using stepped frequency waveform in this paper.
为补偿目标径向速度对频率步进雷达合成距离像的影响,提出了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.
针对高重频频率步进雷达,提出了抑制强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.
给出了毫米波频率步进雷达理想情况下一维距离像成像原理。
The principle of MMW stepped frequency radar for one dimension range imaging in ideal condition is introduced.
频率步进雷达是一种距离高分辨率雷达,运动补偿是其实现距离高分辨的关键。
Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.
现代雷达为获得较高的距离分辨力通常采用编码频率脉冲串信号和步进频率脉冲串信号,但都存在数据率低和较为严重的距离-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.
首先,给出了宽带雷达信号具有高分辨能力的直观解释,推导了频率步进雷达合成高分辨一维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.
将所提出的小波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.
文中首先概述了频率步进雷达系统的工作原理,然后介绍了频率步进雷达的性能参数。
The basic theory of the stepped frequency radar system is summarized firstly, and the features of stepped frequency radar are analyzed in detail.
为了提高米波雷达低空探测性能,本文讨论步进频率体制下,单脉冲测角的米波雷达测高方法。
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.
毫米波脉冲频率步进雷达是一种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.
除目标速度以外,为毫米波频率步进雷达提供频率信号的频率源的色散特性也会对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.
频率步进雷达作为一种高距离分辨率雷达,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.
步进频率信号是一种以增大信号带宽为代价来提高雷达距离分辨力的宽带信号。
Steppedfrequency signal is a broad band signal which enhances range resolution of radar at the cost of increasing bandwidth.
频率步进合成高分辨雷达体制受目标径向运动速度的影响极大,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.
频率步进合成高分辨雷达体制受目标径向运动速度的影响极大,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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