This paper based on LFM pulse radar, does research on radar echo simulation and processing.
本文主要工作分为三部分:雷达回波模拟、雷达信号处理和雷达数据处理。
Radar echo simulation technology has been widely used in radar system adjustment, performance assessment and equipment maintenance.
雷达回波模拟技术为雷达系统的调试、性能评价和设备维护提供了必要条件。
Methods in the computer simulation of the ultrasound color flow imaging, flow signals are obtained by accumulating all the echo signals of scatterers in the imaging area.
方法超声彩色血流成像计算机仿真中,血流信号是对成像区间内所有点散射体的回波信号累加而得到的。
And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.
然后建立了合成孔径雷达的系统模型,介绍了原始回波的模拟方法和R - D成像算法。
On this basis, we created simulation models for echo signals of SAR, analyzed several typical errors and got the point target echo with these errors.
在此基础上,建立了SAR回波信号的仿真模型,并针对几种典型的误差形式进行了进一步的分析,得到了带有误差的点目标回波模型。
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.
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。
To simulate the sonar echo of the underwater moving target, a high precision and multi-function underwater target simulation technique is proposed.
为了模拟水下运动目标的声呐回波,研究了一种高精度、多功能的水下目标回波模拟技术。
On trajectory theory and radar equation, build the model of pill velocity rule, imitate artillery echo, complete the arithmetic simulation of analog signal source.
本文根据弹道理论和雷达方程,建立了单弹丸速度变化规律的模型,模拟产生速射火炮回波信号,完成模拟信号源的算法仿真。
Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods.
首先简要介绍了气象雷达的雷达方程、气象雷达探测气象目标的基本原理、气象目标回波的时域频域特性和气象回波信号的模拟方法。
Echo signal simulation is the foundation of SAR simulation technology.
回波信号模拟是合成孔径雷达模拟技术的基础。
The simulation results indicate that the generated chaff echo of this method has the same distributions of the actual chaff echo. Thus it proves the correctness of this method.
仿真结果表明,该方法产生的箔条回波信号与箔条实际回波的各项分布特性相同,从而证明了该方法的正确性。
Using simulation echo wave and accurate time delay circuit to measure ranging ability, using CCD to grasp laser facular to measure divergence of laser pulse, the digitized methods are realized.
采用模拟回波和精密延时电路检测照射能力、用CCD采集激光光斑测试激光束散角,实现了整机性能的数字化检测。
This paper studies the radar echo signal waveform, with theoretical analysis of the radar echo signal mathematical model to simulate the radar echo, and the simulation results are signal's form.
本文主要研究雷达的信号回波波形,通过理论分析得到雷达回波信号的数学模型从而模拟雷达回波,所模拟的结果均是波形信号。
Both theoretical analyses and simulation results indicate that time-frequency mixed algorithm could generate sequential SAR echo waveform simulation data in real time.
理论分析和仿真结果表明,时频混合算法能够连续、实时地产生SAR模拟回波数据。
However, they are hardly used for civil ship navigation radar simulator, especially not for the simulation of echo images of rain and snow in ship navigation radar simulators.
然而,作为航海雷达图像模拟的方向,系统建模与仿真技术基本没有应用于民用船舶导航雷达模拟器中,特别是对船舶导航雷达模拟器中雨雪回波图像的模拟。
Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.
针对目标回波检测,本文采用了长时间相干积累的方法,仿真结果表明该方法提高了目标回波积累峰值;
The capability of time reversal processing for echo-to-reverberation enhancement is studied using computer simulation under the condition that target is in the middle of the shallow water guide.
针对典型的浅海波导环境,通过计算机仿真研究了目标位于波导中间深度条件下时间反转处理增强信混比的能力以及目标深度的变化对信混比增强能力的影响。
The simulation results show that this method is not only suitable for the detection and the parameter estimation of multi target radar echo signal, but also good at reducing noise.
仿真实验表明,该方法能有效地检测多目标雷达回波信号并准确地估计其参数,而且有较好的抗噪声性能。
The simulation of the system of single-photon detection for the space targets is carried out based on these models to get the number of laser photon echo which is simulate value.
利用所建立的模型对探测系统进行仿真,得到激光回波光子数模型仿真值。
The echo signal simulation is very important to the study of the SAR system and the imaging methods , is the foundation of the technology of SAR simulation.
回波信号模拟是SAR模拟技术的基础,它在SAR系统和成像算法的研究中,具有十分重要的作用。
The simulation results indicate that the generated chaff echo of this method has the same distributions of the actual chaff echo. Thus it proves the correctness of this m…
仿真结果表明,该方法产生的箔条回波信号与箔条实际回波的各项分布特性相同,从而证明了该方法的正确性。
The simulation results indicate that the generated chaff echo of this method has the same distributions of the actual chaff echo. Thus it proves the correctness of this m…
仿真结果表明,该方法产生的箔条回波信号与箔条实际回波的各项分布特性相同,从而证明了该方法的正确性。
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