该电路适合在超宽带雷达系统中应用。
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.
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.
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.
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.
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.
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.
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.
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.
线性调频信号作为一种典型的脉压信号,同时也是超宽带雷达调制波形中的一种,其产生和接收处理已具备了较为成熟的理论研究。
LFM signal is a classic pulse compression signal and it is one of the ultra-wideband radar waveforms, there is sophisticated theoretical basis of its generating, receiving and processing.
分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性,指出冲激脉冲雷达对超低空目标探测的潜在优势。
Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
有效的射频干扰(RFI)抑制技术是超宽带合成孔径雷达(uwb - SAR)成像质量的重要保证。
Radio Frequency Interference (RFI) plays an important role on the quality of Ultra-Wide Band Synthetic Aperture Radar (UWB-SAR) imaging.
射频干扰(RFI)抑制技术是超宽带合成孔径雷达(uwb - SAR)的关键技术之一。
Radio frequency interference (RFI) suppression is a key technique in the ultrawideband synthetic aperture radar (UWB-SAR).
文中介绍了以TMS320 VC 5509为核心处理器,基于FIFO和DSP的超宽带搜救雷达数据采集系统的硬件和软件设计。
This paper describes hardware and software design of data acquisition system for UWB search and rescue radar, which adopts TMS320VC5509 as the core processor and is based on FIFO and DSP.
运动误差是造成低频超宽带合成孔径雷达成像质量降低的主要因素之一。
The motion error is one of the most important factors degrading the quality of low frequency UWB SAR images.
讨论了光丝长距离传输特性在超宽带激光雷达和激光引导闪电等方面的潜在应用。
The potential application of filament in ultra-wide-band lidar and laser induced lightning is also analyzed.
正演模拟与偏移处理的结合,为今后利用超宽带探地雷达进行地下目标探测及识别打下了良好的理论基础。
Through the combination of forward modeling and migration, it has laid a good foundation for target identification and geological interpretation with UWB-GPR in the future.
本文基于滑动相关理论,结合超宽带(uwb)雷达能获取目标高分辨力距离像的特性,提出了一种基于滑动相关的UWB雷达目标识别方法。
A method of UWB radar target recognition based on moving correlation was put forward in terms of moving correlation theory combining with high resolution range imaging of UWB radar.
探地雷达系统一般采用超宽带短脉冲信号,因而其天线系统必须具有较好的宽带性能。
The ground penetrating radar (GPR) systems usually use broadband electromagnetic pulse, so the antennas must be wideband and can couple electromagnetic energy into the ground.
低频超宽带合成孔径雷达辐射定标过程中,定标体的散射特性表现为低频谐振散射特性。
During the radiometric calibration of the low frequency UWB SAR system, the scattering model of the calibrators should be regarded as the low frequency resonance scattering.
超宽带技术在通信、雷达等众多领域获得广泛应用,时域天线是其关键技术。
Ultra-wide band (UWB) technology is widely used in many fields such as communication and radar. Time-domain antenna is important for UWB technology.
它在超宽带无线移动通信、相控雷达、微波毫米波传感、微波毫米波信号处理等多个领域具有潜在的应用前景。
It has many potentional ampliations in ultra-bandwidth wireless mobile communication, array phase radar, sensors of microwave and millimeter-wave, microwave and millimeter-wave signal processing.
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