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- A new method named p_0 order Choi-Williams-distribution (p_0-CWD) transform based on the fractional Fourier transform (FRFT) is proposed. Accompanied with the implementation of hough transform (HT), accurate detection of moving targets is realized. 为了减小交叉项所带来的误差,提出了基于分数阶Fourier变换(fractional Fouriertransform,FRFT)的Choi-Williams-distribution(CWD)变换,即p0阶CWD变换,并与Hough变换结合起来形成了一种新的检测方法。
- detection of moving target 动目标检测
- The method of moving target detection based on eigen-decomposition of the covariance matrix is proposed for single-antenna airborne SAR. 该文提出了一种基于单通道图像序列间协方差矩阵分解的动目标检测方法。
- The simulation results indicate that the scheme can reduce the sensitivity of ATI to errors and improves the performance of moving target detection. 仿真结果表明,该方法可使ATI对误差因素的敏感度下降,从而提高动目标检测性能,扩大ATI的适用范围,具有一定的工程参考价值。
- In LFMCW radars,the echo signal of moving target with acceleration has Doppler aberration which will cause the detection performance and parameter estimation loss of target. 在线性调频连续波(LFMCW)雷达中,加速度运动目标回波存在多普勒频谱畸变现象,造成目标检测性能和参数估计精度损失。
- Next, the algorithm of moving target detection, moving target extraction and model building of movement target was described during the movement target detection stage. 接下来,在运动目标检测阶段主要研究运动目标检测算法、运动目标的提取和目标模型的建立。
- This paper mainly deals with the optimal inteferometric coherence of the residual images in frequency domain in detection and location of moving target with polarimetric SAR. 该文研究极化SAR动目标检测及定位中的频域残差图像干涉相干性优化问题。
- The whole strap-down imaging guidance system contains the acquisition of image, the detection and tracking of moving target, the guidance law, and the attitude control. 完整的捷联成像制导系统包括图像的获取,运动目标的检测、跟踪,制导规律,姿态控制等五大方面。
- Detection of Moving Targets in Commercial Illuminator Based Radar System with Strong Direct Signal and Multipath Clutters Presented 非合作连续波雷达中存在强直达波和多径杂波的运动目标检测方法
- This paper proposes a new system based on DPCA technology for the detection and position of moving target, namely three antennae are placed at a slant angle along airplane flying detection. 该文提出了一种新的基于DPCA(相位中心偏置天线)技术的动目标检测体制,即天线沿载机飞行方向按一定倾斜角度放置。
- A new method for the detection of moving dim targets in cloud clutter image sequences is proposed. 摘要提出了云杂波背景下序列图像中弱目标检测新方法。
- The experiment research on laser micro-Doppler effect for detecting complex vibration of moving target is developed. 摘要建立了激光微多普勒效应探测系统,开展了激光微多普勒效应探测运动目标复合振动的实验研究。
- I've been toying with the idea of moving abroad. 我一直胡乱想着移居国外好不好。
- For the detection of dim moving targets in the infrared image sequences,the wavelet transform is presented here. 研究了红外序列图像中弱小目标的检测。
- In this paper,the minimum detectable velocity(MDV) of moving target indication(MTI) radar is researched. 研究了动目标显示(MTI)雷达的最小可检测速度(MDV)。
- Abstract: In this paper, the minimum detectable velocity(MDV) of moving target indication(MTI) radar is researched. 文章摘要: 研究了动目标显示(MTI)雷达的最小可检测速度(MDV)。
- We gave a method of moving object detection based on the detection of the space-time relativity of the pels in a video sequence. 在充分分析了现有算法在复杂背景下所存在的不足的基础上,提出了一种基于视频序列像素时空相关性检测的动目标检测方法。
- A light or resilient manner of moving or walking. 轻快的或充满活力的移动或步伐
- The possible position of moving target center in the next frame image was predicted by Kalman filter, and a search region of target was generated. 该方法利用卡尔曼滤波预测目标中心在下一帧图像中可能出现的位置,以该位置为中心,建立候选的目标搜索区域。
- Abstract Robust detection of moving objects from a moving platform is required for lots of applications, but is not easily achievable with vision sensor alone. 摘要基于运动平台的运动目标检测在计算机视觉等领域有着十分广阔的应用,基于单一视觉传感器平台目前很难满足实用要求。