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small-target-detection-
介绍了经典的时频分布和检测理论的同时,作者利用时频分布的方法,将一
维时间信号转化到二维的时频空间中,通过提取图像的特征来判决信号和杂波,
采用的数据是使用McMaster IPIX雷达,在加拿大东海岸附近测得的。实测数据
研究表明此方法可以得到很好的检测结果。
(In this paper,we first review the time-frequency analysis and time
-frequency-based detection methods.Secondly,by analyzing a mass of the measured
data of sea clutter,we show the difference of time-frequency geometric features
between echoes with a target and pure sea clutter.Finally,we given the detection
algorithm based on the time-frequency geometric features.The results of the measured
data show that the proposed method can effectively find low-velocity small targets in
sea clutter.This approach is a novel try to detect small targets in sea clutter.)
- 2012-03-12 14:08:00下载
- 积分:1
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TDOA-location-paper
哈尔滨工程大学word格式论文,基于差分演进算法的TDOA定位技术。提出了三种新的定位算法:基于TDOA的Chan-GA算法、Chan-DE算法和Chan-IDE算法。并在相同的仿真环境下进行比较,仿真结果表明,在保证种群数量的情况下,所提的算法性能稳定,能找到逼近全局最优点的解,相对于Chan算法精度更高,相对于以前的算法在保证收敛性能的前提下有更快的收敛速度。(Harbin Engineering University, word format papers, based on differential evolution algorithm TDOA positioning technology. Proposed three new localization algorithm: Based on TDOA Chan-GA algorithm, Chan-DE algorithm and Chan-IDE algorithms. And in the same simulation environment to compare simulation results show that, in the case of populations to ensure that the proposed algorithm performance and stability, can be found close to the global optimal solution, Chan algorithm with respect to higher accuracy compared to the previous algorithm convergence performance guarantee under the premise of a faster convergence.)
- 2020-11-21 11:09:37下载
- 积分:1
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d-statcom
D-statcom..for power quality analysis
- 2020-12-19 19:09:10下载
- 积分:1
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jiyuxuqiuxiangying
这是一篇基于需求响应的分时电价研究与分析.pdf硕士论文(failed to translate)
- 2011-07-13 10:04:51下载
- 积分:1
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electricmagnetic
一篇论文,是关于磁轴承的控制的,用的是经典的PID控制算法.名为<磁力轴承系统PID控制特性的研究>(A paper on the control of magnetic bearings, using a classical PID control algorithm. Entitled )
- 2008-05-18 01:36:27下载
- 积分:1
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VBPEXCEL
本文是一篇关于VB结合EXCEL在路面设计弯沉计算中的应用的论文(This article is a paper on the VB combination of Excel in the calculation of the pavement design of deflection)
- 2012-07-14 01:04:38下载
- 积分:1
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chuanyong_tuoluo_wuchamoxing
在对船用陀螺漂移数据建立时间序列模型的基础上,采用卡尔曼滤波算法对捷联陀螺漂移数
据进行了处理,以提高陀螺静态漂移误差系数的估计精度,并把得到的陀螺漂移误差模型实时补偿到捷联系统中,得到了满意的效果。(Marine gyro drift in the data time series model based on the Kalman filter algorithm using inertial gyro drift data were processed to enhance the gyro drift error coefficient of static estimation accuracy, and to get the gyro drift error model for real-time compensation to the inertial system with satisfactory results.)
- 2009-01-02 06:03:54下载
- 积分:1
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vector-control
当前,矢量控制是一种优越的交流电机控制方式,它模拟直流电机的控制方式使得交流电机也能取得与直流电机相媲美的控制
效果。依据矢量控制的基本原理和方法,用
456752 8 9:4 7:<=
模块构建了一个基于转子磁场定向的旋转坐标系下的交流异步
电机矢量控制系统仿真模型,对其速度控制器提出并设计一种模糊滑模变结构控制算法。该控制算法具备模糊逻辑控制和滑模
变结构控制两者优点,并且较好地解决了滑动模态的抖动问题。仿真结果表明了该设计的可行性以及具有良好的动静态性能、
较强的鲁棒性(6.C+D& EFB@.A B.*@A.G ! H’ , )?+ ?1IFA).A B.*@A.G J.CF .K )*C1B@).* J.@.AL :@ B+* .>@+)* @(F ?+JF B.*@A.G FKKFB@ .K M’ J.@.A >D J.CFG)*/ @(F
B.*@A.G J.CF .K M’ J.@.AL 5BB.AC)*/ @. EFB@.A B.*@A.G N ? IA)*B)IGF+*C JF@(.C& 456752 8 9:4 7:<= J.C1GF O+? 1?FC @. >1)GC+ ?)J1P
G+@).* J.CFG .K 5’ J.@.A EFB@.A B.*@A.G ?D?@FJ >+?FC .* @(F A.@.A KG1Q .A)F*@FC B..AC)*+@F )* @()? I+IFAL R1SSD ?G)C)*/ E+A)+>GF ?@A1B@1AF
B.*@A.G O+? IA.I.?FC+*C FJIG.DFC )* ?IFFC B.*@A.GGFAL 6(F B.*@A.GGFA I.??F??FC @(F JFA)@? .K K1SSD G./)B B.*@A.G+*C ?G)C)*/ J.CF E+A)+>GF
?@A1B@1AF B.*@A.G
,
+*C )@ B+* ?.GEF @(F IA.>GFJ .K @(F B(+@@FA)*/ .K ?G)C)*/ J.CFL 6(F AF?1G@? .K ?)J1G+@).* )*C)B+@F @(+@ @(F B.*@A.GGFA O+?
O.AT+>GF O)@( /..C A.>1?@*F??+*C /..C CD*+J)B+*C ?@+@)B IFAK.AJ+*BF F?IFB)+GGD )* @(F K)FGC .K F*/)*FFA)*/)
- 2020-12-17 09:09:13下载
- 积分:1
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GPIO_KeyInterrupt
GPIO_KeyInterrupt of arm!Its can save a lot of your time !(GPIO_KeyInterrupt of arm!Its designed by my team and can save a lot of your time !)
- 2011-08-05 20:02:50下载
- 积分:1
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002_UGS-MES-solution
UGS公司开发MES的解决方案,致力于开发MES系统的朋友可以用来参考(UGS MES manufacturing execution system solution document, a friend of the MESERP system can be used to refer to learning)
- 2015-08-29 09:44:35下载
- 积分:1