| 1. | 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。 |
| 2. | The listener needs to know that at least one method of voice to skull transmission , using microwave pulses much like radar , is not particularly new
听众们至少需要知道一种类似于雷达脉冲的声音传入到头骨的方法，并且它已不算是什么新奇的了。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | In this paper , we frist discuss the radar signal pulse and it ' s parameters , then we introduce the principle and method of the measure . at last we introduce how to get the pa , pw and toa based on xilinx spartan - ii fpgas
本论文首先对脉冲及其参数进行了分析，然后介绍了雷达脉冲参数测量的原理，并针对现代复杂电磁环境的特点，对脉冲参数测量的方案进行了设计。 |
| 6. | Linear frequency modulated ( lfm ) signals as the most popular pulse compression signal are a typical kind of time - varying , nonstationary signals , so applying the wigner - ville distribution into lfm signals has more advantages than conventional methods
雷达脉冲压缩技术中所使用的线性调频信号是一类典型的时变非平稳信号，采用时频分析的研究方法处理线性调频信号有着传统方法无法比拟的优点。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | In this thesis improved algorithms are presented as follows : ( 1 ) an algorithm based on the detection of arithmetical series is presented to deinterleave radar signals with stagger pris , especially to those with high order stagger ones . but this algorithm is limited to the model of stagger pri presented by resnick ; ( 2 ) an algorithm is presented to estimate the pris of radar signals with jittered pris based on stochastic dynamic - linear models . this algorithm fits radar signals with jittered pris well , especially when jittered amount is large
针对这种情况，本文提出了以下改进的重频分选算法： ( 1 )针对参差pri脉冲列提出一种重频分选算法，该算法使用等差数列的检测进行参差鉴别，非常适于对高参差雷达脉冲列的分选，但只局限于雷斯尼克提出的参差模型； ( 2 )针对抖动pri脉冲列提出基于动态线性模型的重频分选算法，非常适用于抖动量较大的情况。 |
| 10. | Finally , based on the analysis of the stastistical characteristic of the range sidelobe ( rsl ) after the pulse compression accumulation of the rppm pd radar , one method has been brought forward to decrease the rsl and increase the ratio of the mainlobe to the sidelobe using fft and some simulations also have been acquired
最后在分析了随机脉位调制脉冲多普勒雷达脉冲压缩积累后距离旁瓣的统计特性基础上，提出了采用fft处理方案抑制距离旁瓣来提高主旁瓣比的方法，并给出了一些仿真结果。 |
