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.
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.
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.
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.
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.
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.
研究了一种高线性度、低杂散宽带LF M雷达波形信号的实现方法。
A new method to produce high-linear, low-spurious and wide-band LFM radar wave signal is proposed.
最后，对数字混沌序列驱动的宽带混沌信号在雷达系统中的应用作了初步的系统设计。
Finally, the basic design of radar system using the wideband chaotic signal is carried out.
宽带信号产生技术是现代雷达设计中的一项关键技术。
Wideband signal generation is a key technique in modern radar system design.
相位编码雷达可以采用一种检测方法实现对该宽带多普勒信号的检测，其结果不但可以指示速度，而且还可以作为速度选通的抗干扰措施。
A detection method will let phased coded radar to detect such wideband doppler signal, whose result not only gives speed information, but also filters ground echo by speed as a anti-jamming measure.
宽带信号广泛应用于雷达、导航和卫星通讯等领域。
Wideband signals are widely used in radar, navigation, satellite communications and so on.
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.
自适应对消器可以有效地消除雷达发射机宽带泄漏信号对雷达系统本身的影响。
Adaptive canceller is used to reduce efficiently effects of a broadband leakage signal in radar transmitter on the radar system.
针对LF M脉冲雷达的宽带回波信号的多普勒频移和时延估计问题进行了研究。
In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.
为在小体积范围内产生雷达和信号、差信号，介绍了一种宽带平面型魔t结构的实现方法。
To product the sum and subtraction signals of the radar in a small volume, this paper introduces the method to realize the structure of a wideband planar magic-T.
宽带线性调频信号是地基宽带成像雷达的一种常用波形。
Wideband linear frequency modulated signal is a kind of waveform commonly used in ground-based wideband imaging radar.
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.
在光学区复杂目标RCS特征信号计算基础上，重点研究了空间目标宽带雷达特征信号包括高分辨一维距离像和二维isar图像仿真建模方法。
Based on the computation of complex targets RCS in optical region, methods of space objects wideband radar signature simulation, including HRR and ISAR image, are studied in this paper.
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.
介绍了固态有源相控阵雷达采用瞬时宽带信号进行距离高分辨的试验。
The paper presents a study of high range resolution experiment with solid sate active phased array radar.
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.
现代雷达系统广泛采用脉冲压缩技术，在确保雷达作用距离和速度分辨力的前提下，采用大时宽带宽积脉冲压缩信号提高距离维分辨力。
Pulse compression technique is widely used in modem radar systems. Large time duration-bandwidth product signals are used in pluse compression technique to improve the resolution in range domain.
本文重点介绍了一种通过对多个雷达子带信号进行处理，得到一个等效超宽带信号的算法。
This paper focus on the algorithm which can obtain equivalent ultra wide band signal by coherently combining multi-subbands measurements.
本课题主要研究了对雷达信号进行干扰的宽带调频噪声信号源。
In this thesis, a Broad Band signal generator based on noise frequency modulation for radar is studied.
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.
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...
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.
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.
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