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Description: The paper is organized as follows; problem formulation, sparse imaging of scattering centers, deconvolution methods, interpolation with radial basis functions, and concluding remarks.
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Size: 1266207 |
Author: gaojianhu1116@163.com |
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Description:
目标跟踪问题的应用背景是雷达数据处理，即雷达在搜索到目标并记录目标的位置数据,
对测量到的目标位置数据（称为点迹）进行处理，自动形成航迹，并对目标在下一时刻的位置进行预测。
ben文简要讨论了用Kalman滤波方法对单个目标航迹进行预测，并借助于Matlab仿真工具，对实验的效果进行评估。
trajectory.m产生理论的航迹，并绘出
Kalman_filter.m 利用Kalman滤波算法，对目标的航迹进行估计
filter_result.m kalman滤波估计的结果，以及估计误差的均值和标准差曲线-target tracking application context radar data processing, radar in search of the goals and objectives of the record location data, for the measurement of target location data (known as trace points), automatic track, as well as the next target location for the moment forecast. Ben paper with a brief discussion of Kalman filtering method to a single target track forecast and using Matlab tool for experimental evaluation of effectiveness. Trajectory.m have theoretical track, and draws Kalman_filter.m using Kalman filtering algorithm, the target track estimated filter_result.m Kalman filtering results, and the estimated error of the mean and standard deviation of curve
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Size: 121856 |
Author: 郭春吉 |
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Description: 摘要:该文介绍基于Matlab/Simulink进行雷达系统仿真的基本规范,开发了有关的雷达系统仿真模型库,并在该平台上对某
脉冲多普勒雷达系统进行了仿真,给出了仿真结果和分析"为今后在Matlab/Simulink上开发大规模雷达系统仿真模型库和
仿真复杂雷达系统打下基础"该文的工作不但克服了在工作站上用SPW等系统仿真软件进行雷达系统仿真投入大!推广
难的不足,又克服了利用高级语言编写雷达系统软件通用性差!难度高!周期长的缺点"
关键词:规范 仿真 雷达系统-Abstract: This paper introduces the on Matlab/Simulink simulation for radar systems, the basic norms, the development of the radar system simulation model base, and on the platform of a pulse Doppler radar system simulation, the simulation results and analysis
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Author: freedooom |
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Description: 天气雷达回波衰减订正算法的研究，对于不同波长衰减的对比-Weather radar echo attenuation correction algorithm, for different wavelengths of the contrast attenuation
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Size: 264192 |
Author: 高扬 |
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Description: 本文总结了CIC 滤波器理论要点，介绍了采用FPGA设计CIC 滤波器的基本方法，使滤波器的参数可以按实际需要任意更改，给出了仿真结，验证了设计的可靠性和可行性。采用该方法设计的CIC 滤波器已用于DDC芯片，也适合下一代高频雷达系统的要求。-This paper summarizes the main points of CIC filter theory, introduced the CIC filter design using FPGA basic ways in which filter parameters can be arbitrary according to the actual needs change, the simulation node to verify the reliability of the design and feasibility. Designed using the CIC filter has been used in DDC chips, also suitable for the next generation of high-frequency radar system requirements.
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Size: 700416 |
Author: 会飞的鱼 |
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Description: 本文首先介绍了近些年来雷达模拟器获得广泛应用及其原因，然后对目标模
型、杂波模型和机载下视脉冲多普勒雷达的频谱分布进行了分析。接着，研究了
雷达回波信号模拟的实现方法，重点是采用网格映象法对地杂波信号的模拟进行
了分析和推导，并采用此方法对瑞利分布的高斯谱杂波、雷达回波信号进行了仿
真和分析。最后，针对用于某机载雷达信号模拟器系统的数字信号处理器进行了
设计和分析。
-This paper first introduces the radar simulator in recent years is widely available and the reasons for, and then on the target model, and the clutter model of airborne pulse Doppler radar, as under the spectrum distribution is analyzed. Then, to study radar signal simulation methods, with emphasis on the use of grid mapping method to the simulated clutter signal analysis and derivation, and use of this method, the Gaussian distribution of the Rayleigh spectrum of clutter, the radar echo signal simulation and analysis. Finally, for an airborne radar signal simulator system digital signal processor has been designed and analyzed.
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Size: 2909184 |
Author: 萝卜 |
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Description: This paper studies the problem of tracking a ballistic object in
the reentry phase by processing radar measurements. A suitable
(highly nonlinear) model of target motion is developed and the
theoretical Cramer—Rao lower bounds (CRLB) of estimation
error are derived. The estimation performance (error mean and-This paper studies the problem of tracking a ballistic object inthe reentry phase by processing radar measurements. A suitable (highly nonlinear) model of target motion is developed and thetheoretical Cramer-Rao lower bounds (CRLB) of estimationerror are derived. The estimation performance (error mean and
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Size: 2048 |
Author: zhangsheng |
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Description: This paper studies the problem of tracking a ballistic object in
the reentry phase by processing radar measurements. A suitable
(highly nonlinear) model of target motion is developed and the
theoretical Cramer—Rao lower bounds (CRLB) of estimation
error are derived. The estimation performance (error mean and-This paper studies the problem of tracking a ballistic object inthe reentry phase by processing radar measurements. A suitable (highly nonlinear) model of target motion is developed and thetheoretical Cramer-Rao lower bounds (CRLB) of estimationerror are derived. The estimation performance (error mean and
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Size: 1024 |
Author: zhangsheng |
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Description: This paper studies the problem of tracking a ballistic object in
the reentry phase by processing radar measurements. A suitable
(highly nonlinear) model of target motion is developed and the
theoretical Cramer—Rao lower bounds (CRLB) of estimation
error are derived. The estimation performance (error mean and-This paper studies the problem of tracking a ballistic object inthe reentry phase by processing radar measurements. A suitable (highly nonlinear) model of target motion is developed and thetheoretical Cramer-Rao lower bounds (CRLB) of estimationerror are derived. The estimation performance (error mean and
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Size: 1024 |
Author: zhangsheng |
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Description: This a paper describing Pulse Compression technique implemented in the Weather Radar system. This paper presents data examples from the
radars and contrasts the use of pulse compression
waveforms with more traditional non-modulated
pulsed waveforms.-This is a paper describing Pulse Compression technique implemented in the Weather Radar system. This paper presents data examples from the
radars and contrasts the use of pulse compression
waveforms with more traditional non-modulated
pulsed waveforms.
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Size: 229376 |
Author: Sumedh |
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Description: 频率合成技术在现代电子技术中具有重要的地位。在通信、雷达和导航等设备中，它可以作为干扰信号发生器；在测试设备中，可作为标准信号源，因此频率合成器被人们称为许多电子系统的“心脏”。直接数字频率合成（DDS——Digital Direct Frequency Synthesis）技术是一种全新的频率合成方法，是频率合成技术的一次革命。本文主要分析了DDS的基本原理及其输出频谱特点，并采用VHDL语言在FPGA上实现。对于DDS的输出频谱，一个较大的缺点是：输出杂散较大。针对这一缺点本文使用了两个方法加以解决。首先是压缩ROM查找表，-Abstract；The frequency synthesis technology has the important status in the modern electronic technology. In equipment such as correspondence, radar and navigation, it may work as the unwanted signal generator In the test facility, may work as the standard signal source, therefore the frequency synthesizer is called by the people as "the heart" of many electronic systems .DDS——Digital Direct Frequency Synthesis technology is one brand-new frequency synthetic method, is a frequency synthesis technology revolution. This paper analyzes the basic principle of DDS and its output frequency spectrum characteristic, and realizes it with VHDL language on FPGA. In regard to the output
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Size: 961536 |
Author: 番薯军 |
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Description: 利用TS201超高性能的计算处理能力以及FPGA支持的高速接口交换能力,实现了一种对算法的适应性强、结构扩展方便的通用信号处理板,设计了一种基于该通用信号处理板的米波雷达阵列信号处理系统,并以幅相校正、自适应旁瓣相消的算法实现为例,详细介绍了该阵列信号处理系统算法的实现方法。该系统运行稳定可靠,达到了系统的设计要求。-n this paper,multiple DSPs are adopted to design the array signal processing system.By utilizing the high processing ability of the TS201 and the high-speed data exchange ability supported by FPGA,a general array signal processing system with strong adaptability and easy-expansion ability is fulfilled for radar signal processing.Implementation of the algorithm,such as ASLC and calibration of magnitude and phase,is described in detail.The whole system works well,and meets the requirement of the system...
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Size: 429056 |
Author: 将建 |
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Description: 从回波中估计多普勒参数是合成孔径雷达运动补偿的关键。文中研究了多目标回波对参数估计的影响，从理论上推导了估计多普勒中心和调频率对回波的不同要求，并用两个指标举例分析了一段实测机载SAR数据，给出了实际应用中参数估计时选择回波的原则。-Doppler parameters estimation from radar echoes is a key step in SAR(Synthetic Aperture Radar}motion cornpensation．
This paper researched the efect of multiple targets echoes to estimate parameters and deducted theoretically the different
requirement for echoes in estimating doppler centroid and doppler frequency modulation rate．Th en giving a real airborne SAR echo
as example，we analyzed it with two measurements and concluded the principle about choosing echoes in practice．
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Size: 187392 |
Author: nico |
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Description: 基于OFDM 的多载波调制雷达系统信号处理及检测的文章-the paper:Signal Processing and Detecting for Multicarrier
Modulated Radar System Based on OFDM
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Size: 185344 |
Author: 李平强 |
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Description: 用MATLAB设计及FPGA实现IIR滤波器的方法
摘要 本文介绍了IIR数字滤波器的传统设计思想与步骤及计算机辅助设计方法。并在FPGA上高效实现的低阶IIR滤波
器，其阶数低，实时响应快，适合雷达等的实时、高效处理环境。利用IIR滤波器的多相结构来实现该滤波器系统的方法，对于
四通道的情形在MATLAB上利用Simulink作了仿真, 并在目标板上对算法进行了实现,证明该系统能够同时处理四个通道的信号。-Using MATLAB Design and FPGA realization IIR Filter method Abstract This paper introduces IIR digital filter traditional design Thought and steps and CAD method. And FPGA on efficient realization low IIR filter, its order low, real response fast suitable radar real time, efficient processing environment. Use IIR filter multiphase structure realize the filter systematic method, for four channel circumstances in MATLAB on use Simulink made simulation and target board algorithm was realized proved system can simultaneously four channel signal.
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Size: 2021376 |
Author: sfef |
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Description: 论文分析了合成孔径雷达图像迭代滤波处理的效果及其问题，结合统计滤波方法和小波分析方法，提出了一种基于细节补偿的MAP迭代滤波算法。实验结果表明，新的迭代滤波算法较好地解决了去噪和细节保留之间的矛盾，而且算法稳定，收敛很快。-This paper analyzes the iterative synthetic aperture radar image filtering effect and its problems, combined with statistical filtering methods and wavelet analysis method, details of compensation, a MAP based iterative filtering algorithm. Experimental results show that the new iterative filtering algorithm can solve the denoising and detail preservation conflicts between, and the algorithm is stable and fast convergence.
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Size: 825344 |
Author: weilei |
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Description: 本文基于某制导雷达信号处理机优化改造工程，介绍了该雷达信号处理机的
接收相干处理(CORP)、动目标显示(MTI)的原理、硬件平台、软件设计、调试以及
优化设计方法。文章首先回顾了该信号处理机相关的信号处理方法，包括数字稳
定校正技术(DS功、参差周期滤波、多次相消器的动目标显示等方法的工作原理和
实现方式，并结合项目进行计算机仿真。其次介绍了信号处理机的组成结构，优
化设计思路，主要功能分配。最后重点讨论了信号处理机的各个模块的工程实现
方法以及数字信号处理器(TS201)存储器配置的优化。该雷达采用接收相干，参差
周期滤波及抗干扰技术，使用ALTERA公司的Stratix II系列芯片和高性能浮点数
字信号处理器ADSP TS201S构建信号处理机硬件平台，用VHDL，汇编语言和C
语言实现信号处理机的软件设计。结果表明，存储器配置的优化可以大大地提高
程序的执行效率，并且优化的总体设计方法可以在有限的硬件资源下提高系统的
实时性。-This paper is based on the optimization of data processor ofsome guidance radar．It is
introduced the design and implementation of the software and hardware of the
coherent-on-receive process(CORP)and moving target indicator(MTI)system，which
includes the debugging and optimizing processes ofboth software and hardware parts．
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Author: 123 |
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Description: 舰载雷达所处的环境杂波现象比较严重。雷达工程人员发现，无论信号处理采用哪些反杂措施，雷达数据
处理阶段总是或多或少地存在虚假点迹。因此，有必要研究如何在数据处理阶段进一步消除杂波干扰。文中分别就数据
处理的预处理模块、相关滤波模块、雷达控制模块以及雷达显示控制提出了有效的方法。-Shipborne radars operate in a severe clutter environment．No matter what measures of clutter suppression are a—
dopted in signal processing，radar engineers discover there are more or less false plots in the stage of radar data processing．So it is
necessary,to research for anti—clutter methods in the stage of radar data processing．This paper proposes some effective methods in
the stage of data processing including echo pretreatment，correlation filter，radar control and radar display contro1．
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Size: 148480 |
Author: 许兰 |
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Description: 天波超视距雷达系统仿真(多波束形成)，代码在paper中，而且给出了详细的说明，能够更好理解田博超市距雷达的工作原理-Horizon radar system simulation (multi-beam forming), the code in the paper, but also gives a detailed description, to better understand the field Bo supermarket works from the radar
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Size: 688128 |
Author: 张飞 |
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Description: USING MATLAB TO CREATE AN IMAGE FROM RADAR
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Size: 51200 |
Author: jinti |
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