您要查找的是不是:
- point target echo simulator 点目标回波模拟源
- A modified range-Doppler algorithm for spaceborne SAR with large squint angle is presented and the quality of images of simulated point target echoes gained by two algorithms are list in the paper. 提出了一种适合大斜视角星载SAR系统的改进距离-多普勒算法,并给出了处理仿真点目标数据得到图像质量的比较。
- A modified range| Doppler algorithm for spaceborne SAR with large squint angle is presented and the quality of images of simulated point target echoes gained by two algorithms are list in the paper. 提出了一种适合大斜视角星载sar系统的改进距离-普勒算法,并给出了处理仿真点目标数据得到图像质量的比较。
- In the simulator, sum-difference beams method based on point scatterer echo model which includes the random fluctuation character of object radar cross section is used to simulate target echo. 对于目标回波的模拟,本文在考虑目标雷达散射截面积起伏特性的基础上,采用基于点散射体回波信号模型的和差波束法来实现。
- target echo simulation 目标回波仿真
- The distance simulation circuit for a wireless fuse target video frequency echo simulator has been designed based on FPGA and the digitally programmable delay generator. 针对某伪码调相PD引信点目标视频回波模拟器的要求,提出了基于现场可编程门阵列(FPGA)与片外精密数控可编程延时线两级延时技术的引信点目标视频回波模拟器距离模拟电路的设计及实现方案。
- The director could be slewed quite quickly until the range operator picked up the target echo. 指挥仪快速回转直到测距手捕获目标的反射回波。
- Target echo signals are the main information source in underwater acoustic detection system. 目标回波信号是水声探测系统主要的信息来源。
- The parallel arithmetic of distribute space borne SAR ground target echo data simulating procedure was examined. 摘要对分布式星载SAR系统地面回波仿真程序并行化算法进行了研究。
- The distance simulation circuit for a wireless fusee target video frequency echo simulator has been designed based on TDC for the precision testing of the close quarters blind-area. 摘要 由于引信近距盲区精确测试的需要,设计了引信点目标视频回波模拟器距离模拟电路。
- This dissertation discusses mainly the realization of the radar signal simulator for an Airborne Phased-Array Radar (APAR), the simulation methods of target echo and clutter for APAR, and the application of hi-speed DSP chip in radar simulator. 尤其在近几年,雷达信号模拟器的研制已成为国内外军事研究领域的一个热门研究方向。 本文以某种机载相控阵雷达信号模拟器的研制为背景,对目标回波信号和杂波的模拟理论和算法以及系统实现等问题进行了较为深入的研究,并通过采用高速、高性能的DSP,实现了对机载相控阵雷达信号的实时模拟。
- Finally, point target simulation validates the correctness and the effectiveness of the presented method. 最后通过点目标仿真验证了该文分析的正确性和所提算法的有效性。
- Conventional methods based on the intensity of target echo signal will result in high false alarming rate if mine-like object such as rock laying on the seafloor. 传统的基于目标回波信号强度的检测方法在海底存在岩石等类似于水雷等人造目标的情况下,常会导致较高的虚警率。
- The Gauss model of point target image irradiance and the calculation model of the infrared radiation power are established. 建立了点目标图像辐照度高斯模型和点目标图像红外辐射功率计算模型。
- The cluttering area wherein the fuze antenna illuminates is distributed into small clutter cells and the clutter modeling is built up as the method of fuze target echo modeling. 对天线照射区域内的杂波进行了分割,采用近似目标回波的处理方法对杂波进行了建模,并将该方法应用到引信目标模拟器中。
- A new nonparametric algorithm based on mathematical morphology is proposed for the detection of dim moving point target in infrared image sequence. 提出了一种新的基于数学形态学的红外图像序列中弱点状运动目标的非参数检测算法。
- When the target echo on the radar scope is bisected by the center bearing line, the director is trained on the target, and the correct value of director train is determined. 当指挥仪旋转的时候,其上的雷达天线也跟着转动,当显示器上的目标回波被中央方位线(center bearing line)分为两半时,雷达天线就对准了目标,指挥仪的旋转角也就确定了。
- A grayscale morphology-based algorithm has been developed forinfrared point target detection in the backgrounds of sea and sky. 提出了一种基于灰度形态学的海空背景下的红外点目标检测算法。
- The Design of HF Radar Echo Simulator with DDS Chip 利用DDS器件设计高频雷达回波模拟器
- Based on the characteristic of target echo in ISAR, the original method of Doppler center estimation is ameliorated to increase the motion parameter estimation precision. 针对ISAR中目标回波的特点,对原始的多普勒中心估计方法进行了改进,提高了运动参数估计精度。