回波特性 meaning in English
echo caracteristic
echo characteristic
echoing characteristics
Examples
- Analysis of simulation of characteristics and detection of echo from hovering helicopter
悬停直升机回波特性与检测仿真分析 - There are many methods for the recognition of the friend - or - foe airplane , but it is just in the groping stage to recognize airplane mode
目前关于飞机属性的识别方法已有很多(主要是利用雷达目标回波特性) ，而对于机型识别仍处于探索阶段，还没有成熟的理论。 - The key of the simulation is to select a suited set of models and parameters which represent the motion and the echo of moving targets , because the perform of microwave radars operating over the moving targets is very complicated
由于运动目标是极其复杂的反射体，所以模拟实验的关键是选择合适的数学模型和模型参数，从而逼真地复现目标的运动特性和回波特性。 - Based on mono - pulse radar system and the analysis of terrain echoes , a geometrical model of air to ground ranging is constituted . by using the signals received from the sum and difference channels of terrain follow radar , a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained . according to the characteristics of the echoes , the theory and method of pass zero detection of difference channel and its applications are discussed in detail
针对一维单脉冲雷达体制，分析了地形目标回波特性；建立了地形跟随雷达空地测距的几何关系；利用雷达收发信号，导出了地形跟随雷达和差接收通道的回波信号表达式，进行了波形仿真，得到了地形跟随雷达的地面散射产生回波在时域中的特性；根据和差回波特性，阐述了差信号过零点检测测距的原理和方法及工程实践中的应用，并给出了真实雷达对外辐射试验的结果，验证了文中的仿真。 - To learn about the characteristics of the radar target data is a prerequisite to ratr . so this dissertation process a lot of measured and simulated data , and make a detailed analysis on the characteristics of the radar echoes from jet planes , propeller - driven aircrafts and helicopters . the results can be used in ratr and lay the foundations for the future research
进行目标识别必须对获得的目标数据特性有充分的了解，本文正是在这样的研究背景下，使用大量的实测和仿真数据，详细分析了喷气式、螺旋桨和直升机三类飞机目标的雷达回波特性，得到了一系列对目标识别有用的结果，为进一步的目标识别工作打下基础。