| 1. | A new feature extraction method for radar pulse sequences 一种新的雷达全脉冲信号特征提取方法 |
| 2. | Therefore , measuring the parameters of radar pulse is very beneficial 因此,开展实时脉冲参数测量技术的研究具有极其重要的意义。 |
| 3. | The fast development of digital signal processing technology provides us with the possibility of numeralization of radar pulse compression processing 同时,数字信号处理技术的迅猛发展和广泛应用,为雷达脉冲压缩处理的数字化实现提供了可能。 |
| 4. | This dissertation has modeled for radar signal environment , such as radar pulse model , antenna direction chart model , antenna scanning model 在此基础上研究建立了雷达信号环境的各类仿真模型:雷达脉冲信号模型、天线方向图模型、天线扫描模型等。 |
| 5. | In this paper , firstly , radar pulse compression is introduced briefly , summarize three primary pulse compression signals : lfm , nlfm , pcm 本文首先对雷达脉冲压缩的原理作了简要的介绍,进一步详细分析了应用最广泛的线性调频信号,并简要介绍了非线性调频信号和相位编码信号。 |
| 6. | Numerical and experimental results show that good angular superresolution and high estimation accuracy can be achieved provided that the radar pulse repetition time is small enough so that the echoes can be considered sufficiently correlated 结果表明,在雷达的脉冲重复周期同目标的抖动相比足够小的情况下,相位权重法可以取得较好的方位分辨率和较高的测角精度。 |
| 7. | These technologies , include the deinterleaving of radar pulses signal recognition tdoa extraction , is analyzed by theory and simulations . have got the precise tdoa , it is the major problem which discussed in chapter four that how to get the precise position of the target 论文第三部分重点针对脉冲信号的时差提取方法进行了理论分析,对脉冲信号时差提取过程中的相关技术,包括信号分选、信号识别、高精度时差提取等方面进行了理论分析和仿真。 |
| 8. | Psr is a radio detection equipment that provides information on range and bearing of aircraft in the form of a target blip on the radar screen to air traffic controllers by transmitting radar pulses and detecting the reflected signals from the aircraft . no active transponder or avionics on board aircraft has to be relied on 监察雷达发出雷达脉冲,侦测从飞机反射回来的信号,便可计算飞机的距离及方位,并以目标点在雷达屏向航空交通管制员显示,而不须依靠航机上的应答机或其他航空器材。 |
| 9. | In our nation , we have worked on the researching of continue radar signal ' s phase noise mesurement equipment in the past . but the equipment for pulse radar signal is still in blank . the object of this dissertation is to study on the denotation of the radar pulse signal ' s phase noise and its measuring method 本文的目的是对射频雷达脉冲信号的频率稳定度的表征和测试设备的研制进行研究,讨论了雷达脉冲信号的测试方法,主要对谱估计法测量射频雷达脉冲信号相位噪声的系统方案进行理论的分析,并对实现过程中技术上的难点重点问题的解决进行论证。 |
| 10. | The radar radiation is high density , all frequency and it ' s frequency is changeable , we can get the toa , pw and pa by measuring the parameters of radar pulse . by these parameters , we can know where the radiation be , then we can launch arm to perish enemy or protect own 通过对雷达视频脉冲信号参数的测量,可以获得脉冲幅度( pa ) 、脉冲到达时间( toa )和脉冲宽度( pw )等时域参数,获取敌方辐射源的型号、威胁等级等信息,从而对目标进行识别和定位,以达到消灭敌人,保存自己的目的。 |