该电路适合在超宽带雷达系统中应用。
比较了脉间相干和非相干积累在宽带雷达中的性能。
The performances of Coherent Accumulation (CA) and None-Coherent Accumulation (NCA) methods are compared.
首先分析了不同距离高分辨宽带雷达信号波形的回波模型。
The echo models of different high-range resolution (HRR) broadband radar signals are analyzed in this paper.
本文简要地介绍了宽带雷达波形数字式产生的三种实现方案。
Three different digital generation methods for wideband radar signal waveform are introduced in the paper.
超宽带雷达具有极高的分辨率，已成为一种新的探测目标工具。
With its high resolution, ultra-wideband radar has become a new tool of target detection.
因此，对宽带雷达波形数字产生技术的研究具有重要的现实意义。
So, it has great practical value to research the methods of wideband signals generation by digital technology.
本文介绍一种采用宽带雷达分析仪进行雷达信号矢量分析的方法。
This paper introduces the method on how to use wideband radar analyzer to do vector analysis of radar signal.
介绍时域超宽带雷达目标特性测量系统的工作原理及测量软件的开发过程。
Operating principle and developing procedures of a time-domain measuring system of radar target are introduced.
FPGA器件的出现，为实现宽带雷达信号侦察数字接收机提供了硬件支持。
However, the invention of FPGA device makes it convenient to realize such a wideband radar signal reconnaissance digital receiver.
首先推导了DRFM转发信号的数学模型，阐述了宽带雷达一维成像的基本原理。
The model of false target is firstly derived and the principle of 1-D imaging is explained.
在时延估计方法研究中，提出了超宽带雷达中基于小波多分辨方法的时延估计算法。
In the research of time delay estimation in ultra-wide band Radar, a time delay estimation method based upon the multirate theory in wavelets analysis is proposed.
冲击脉冲雷达，又称作无载波雷达和视频脉冲雷达，是超宽带雷达的一个分支和特例。
Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band (UWB) radar.
它配备了先进的超宽带雷达感应器和地下断层扫描算法，提供了卓越的图像质量地下阵列。
It's equipped with an array of ultrawideband radar sensors and sophisticated subsurface tomography algorithms that provide exceptional quality subsurface images.
超宽带雷达以其高距离分辨率、强抗干扰性、反隐身等优良特性受到各国日益广泛的关注。
Ultra-wideband radar, well known for its high range resolution, robust jamming immunity and counter-stealth, is paid more attention by the governments of the various states.
用于检测隐藏活动目标的超宽带雷达就是基于基带无载波极窄脉冲的，有着广阔的应用前景。
Ultra wideband radar, using the promising and novel radio technology in detecting hidden targets, has a broad application prospect.
典型的超宽带雷达系统发射的是冲激脉冲信号，具有很大的带宽，但限制了系统的作用距离。
A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.
雷达的距离分辨率与发射信号的带宽成反比，要获得大的距离分辨率，必须发射宽带雷达信号。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
同时，利用中频数字直接产生技术辅以倍频链还可实现宽带、超宽带雷达脉冲压缩信号的产生。
Meanwhile, this technology cooperating double frequency chain can also generate wide band and ultra-wide band radar pulse compression signals.
本文在超宽带雷达体制下分别从发射波形设计和特征波形检测两个角度来实现目标的检测和识别。
Based on the UWB radar system, the emitting waveform design and signature waveform detection are discussed respectively in this paper to realize the detection and discrimination of targets.
高分辨距离像（HRRP）是宽带雷达获取的目标散射点子回波沿雷达视线方向的投影矢量和。
High resolution range profile(HRRP) is the projection vector sum of target scattering point echoes acquired by wide-band radar along the direction of radar line-of-sight(LOS).
并通过仿真目标和实际复杂目标的高频区宽带雷达特征信号的仿真实验结果验证了该文方法的有效性。
Based on the existing methods of high frequency RCS simulation of complex target, the methods of complex target's high frequency wideband radar signatures simulation, including HRR...
根据具体系统指标，选择全固态微波电路方案，研制出了系列的数千伏、纳秒级、超宽带雷达用脉冲源。
Based on the microwave PCB circuit, series of kilo-volt nanosecond UWB radar pulsers have been designed.
由于LPI雷达具有大时间带宽积，故超宽带雷达具有高处理增益而抵消侦察接收机在侦察距离上的优势。
Because of the LPI radar's large time-bandwidth product, UWB radar has a high processing gain to cancel the advantage of the intelligence receiver at intercept range.
宽带雷达对抗侦察数字接收机具有较宽的瞬时频率覆盖特性和较高的截获概率，并能处理同时到达的多个信号。
Wide frequency spectrum can be received and high probability of intercepting can be got and the simultaneously attend signals can be processed by wide band radar EW reconnaissance digital receiver.
给出超宽带雷达信号的概念，提出由超宽带雷达信号散射远场重建理想导体目标简捷的时域成像公式和实现算法。
A concept of Ultra wideband radar signal is proposed, and then a time domain imaging algorithm is presented to reconstruct far field images of conducting objects.
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.
超宽带雷达波形的设计与产生部分作为超宽带雷达中的一个关键组成，它的指标和性能将直接影响到整个雷达系统的性能。
Waveform design and generation is a key component of ultra-wide band radar, whose qualification and performance directly influence the performance of the whole radar system.
该文分别以理想矩形和高斯钟形脉冲作为雷达回波信号模型，通过仿真研究，详细讨论了NMTI方法在宽带雷达中的应用。
In this paper, ideal rectangle and Gaussian shape pulse act as radar echo signal model. Through simulation research, application of NMTI method in wideband radar systems is discussed in detail.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
超宽带雷达具有高分辩能力，它探测到复杂目标时，目标总的电磁散射是多散射中心的合成，回波信号不同于普通的窄带雷达回波。
Ultra wide band radar has high range resolution capability, when UWB signals interact with target, and the responses of target are composed of many separate scattering centers.
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