pulse doppler中文是什么意思

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中文翻译
造句

脉冲多普勒系统
脉冲式多普勒系统

pulse n. 〔sing., pl. 〕豆类；豆。
doppler pulse 多普勒脉冲
doppler for detection of fetus pulse 多普勒胎儿探测仪,胎儿心率检测用多普勒探测器; 胎儿心率检测用多普勒探测器
meteorological pulse-doppler radar 气象脉冲多普勒雷达
pulse doppler clutter 脉冲多普勒杂波
pulse doppler echocardiogram 脉冲多普勒心动回声图
pulse doppler mothod 脉冲多普勒法
pulse doppler radar 脉冲多普勒雷达; 脉冲多普勒载雷达
pulse doppler spectrum 脉冲多普勒频谱
pulse doppler system 脉冲多普勒系统
pulse wave doppler apparatus 脉冲式多普勒仪
pulse-doppler receiver 脉冲多普勒接收机
pulse-doppler surveillance radar 脉冲多普勒监视雷达
range-gate pulse doppler 距离选通脉冲多普勒
coherent pulse doppler radar altimeter 相参脉冲式多普勒雷达高度表
externally coherent pulse doppler radar 脉冲外相干多普勒雷达
high resolution pulse doppler radar 高分辨率脉冲多普勒雷达高分辨力脉冲多普勒雷达
pulse doppler early warning radar 脉冲多普勒预警雷达
pulse-doppler radar jammer (pdrj) 脉波都普勒雷达干扰器
high duty-cycle pulse doppler radar 高重复频率脉冲多普勒雷达
pulse doppler air target tracking radar 脉冲多普勒空中目标跟踪雷达
doppler 多普勒效应
pulse n. 1.脉搏；有节奏的跳动；【动物；动物学】脉冲(波)；脉动。 2.意向；倾向。 3.【音乐】拍子，律动。 His pulse was at a hundred. 他的脉搏(每分钟)一百次。 a galloping pulse 急脉。 a high pulse 强脉。 a long [ slow ] pulse 缓脉。 a weak pulse 弱脉。 an action pulse (火箭)触发脉冲。 a carry pulse 进位脉冲。 a driving pulse 起动脉冲。 feel sb.'s pulse ＝have one's fingers on the pulse of sb. 按某人的脉；探某人的意向。 stir sb.'s pulses 鼓动某人的情绪；使人兴奋。 with quickened pulses 心跳得更快地。 vi. 脉跳动；震动；脉动。 vt. 使发生脉冲；用脉冲输送(血等) (in out)。 n. 〔sing., pl. 〕豆类；豆。
pulse by pulse该电流检测电路还能起到逐个脉冲; pulse逐脉冲
pulse on 脉冲启动; 起动

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At last , combining the characteristics of the missle - borne high - prf pulsed doppler radar , this paper analyzed the difficulties and the possible technique approach in detecting and recogniting moving target using missle - borne high - prf pulsed doppler radar
最后，本文结合弹载高重频脉冲多普勒体制雷达的特点，分析了弹载pd雷达对机动目标进行检测、识别的难点及可采用的技术途径。
In the thesis , the environment signals such as targets reflections , jamming and clutters before the receiver of the pulse doppler radar are presented ; the analysis , modeling and simulation of these signals are discussed
本文对脉冲多普勒雷达的目标回波、干扰信号、地杂波等雷达接收机前端的环境信号的仿真进行了阐述，对各环境信号进行了分析，建立了信号模型，并给出了仿真结果。
In the first chapter the pulse doppler radar and pulse compression radar are introduced , include their definition , working condition and specialty . the method and theory of system simulation are discussed in chapter 2 . from the chapter 3 every module of the simulation is described
第一章主要对仿真中涉及到的脉冲多普勒（ pd ）雷达和脉冲压缩（ pc ）雷达两种雷达体制进行了简述，给出了它们的定义，工作的环境，工作特点及各自的优缺点。
Second , this paper analyzes the time - frequency distribution of the clutter from airborne pulse doppler radar ( pdr ) . the side - lobe clutter , which is the main factor to influence the pdr , is analyzed and calculated . based on the simulation of typical geometry of the land , we analyze and discuss the side - lobe clutter and concluded that the dft of can be considered as the phase of the coho
并且根据各种典型地貌的近似模拟，从统计特性上和频率域上对脉冲多卜勒雷达的旁瓣杂波进行了分析讨沦，还得出脉冲多卜勒雷达的dft可以近似地看作相参积累，并在程序的编制中利用了这一个结论。
In chapter 3 , this paper recommended the methods of estimating the parameter of moving target using cyclostationary and analyzed the performance of this method firstly , and put forward a recursive method for estimating the parameter ( velocity , acceleration ) of moving target combining the characteristic of high - prf pulsed doppler radar . then , based on the resolution of doppler and acceleration , combining the characteristic of the doppler spectrun and acceleration spectrum , this paper put forward a new method for differentiating muli - target
然后，从弹载高重频脉冲多普勒雷达的多普勒分辨率和加速度分辨率出发，结合不同编队方式的多目标回波信号的特点，分析了多目标和单个目标的回波信号的多普勒谱和加速度谱的特性，提出了一种基于一维多普勒像和一维加速度像的级次多目标分辨算法。
The fourth section studies the modeling of broad band blocking jamming and coherent jamming , and analyses the principal of coherent jamming and the factors of influencing the jamming effect is provided . the performance of pulse doppler radar seeker is simulated when certain jamming methods is exerted . a pulse doppler radar seeker simulation system is established , by using the simulation system the performance of pulse doppler radar seeker is evaluated when jammed
第四部分研究了宽带阻塞式干扰和相干干扰的建模问题，并分析了相干干扰作用原理，给出了影响干扰效果的主要因素及次要因素，仿真了脉冲多普勒雷达导引头在宽带噪声干扰情况下的截获和跟踪性能，仿真了相干干扰对脉冲多普勒雷达导引头跟踪性能的干扰效果。
The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker , and establishes a radar signal simulation model , including radar emitting signal model , receiving signal model , receiving echo signal model , clutter model , noise model , sum channel directional pattern of antenna model , difference channel directional pattern of antenna model , sheltering model , rcs model , glint noise model , etc . the second section studies signal processing of pulse doppler radar seeker , and establishes radar signal processing mathematical model and data processing mathematical model for simulation , including windowing , doppler filtering , envelope demodulation , pdi , cfar , centering , velocity tracking , angle tracking , a - b filtering , etc . the third section studies the modeling of modified proportion guiding , and establishes guiding model , then dynamic simulation results is provided
论文的主要工作包括四部分：第一部分研究了脉冲多普勒雷达导引头的信号建模问题，建立了雷达信号模型，主要包括：发射信号模型、接收信号模型、目标回波信号模型、杂波模型、噪声模型、和差通道天线方向图模型、遮挡因子模型、接收机噪声模型、目标雷达截面积统计性模型、目标角闪烁模型等。第二部分研究了脉冲多普勒雷达导引头的信号处理模式，建立了信号和数据处理模型，主要包括：加窗和多普勒滤波、包络检波、检波后积累、频域cfar处理、速度定心、速度跟踪、角跟踪、 ?滤波等，然后给出了信号处理流程。
This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver , especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system , the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation , ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system
本论文研究的是采用数字中频接收技术的脉冲多普勒气象雷达信号处理系统，重点研究了中频采样及数字解调技术在脉冲多普勒气象雷达信号处理系统中的应用、正交双通道幅相不平衡对气象回波谱估计的影响、地杂波滤波算法，以及脉冲多普勒气象雷达信号处理系统的具体工程实现。
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration , and poses several algorithms of measuring pulse doppler shift frequency changing rate . to sum up , this paper studies the key problems in soplat based on particle kinematics and some solutions to them
总而言之，本文系统地研究了基于质点运动学的单站无源定位与跟踪领域的主要关键技术问题并提出了相应的解决方法，其中某些分析结果和方法可直接应用于实际的工程应用。
Then combining the idea of likelihood ratio detection and the template matching method , this paper put forward a matching detection method for detecting hovering helicopter using missle - borne pulsed doppler radar . in the third part of this paper , the author analized the effect of multipath to the detection using radar , and put forward a modified m n detection structure to the detection of hovering helicopter under multipath circumstance
本章的第三部分阐述了多径干扰对雷达检测性能的影响，提出了一种应用于多径效应环境中检测目标回波的修正mm检测结构并应用于悬停直升机的检测过程，分析了该算法的检测性能及其与检测结构的关系。