pulse doppler造句
例句与造句
- A method of processing airborne pulsed doppler radar targets dots
一种机载脉冲多普勒雷达目标点迹处理方法 - Combinatorial jamming of pulse doppler radar based upon drfm and its ecm effectiveness measure
的脉冲多普勒雷达组合干扰及其效能评估 - Ultrasonics - pulsed doppler diagnostic systems - test procedures to determine performance
超声学.脉冲式多普勒诊断系统.测定性能的步骤 - Pulsed doppler radar ( pd radar ) is a kind of advanced radar which using coherent processing
脉冲多普勒雷达是一种先进的全相参体制雷达。 - The simulation proved that the algorithm can accomplish the pulse doppler identification under great acceleration
最后仿真表明，该算法可以完成高加速度下的脉冲多普勒测速。 - It's difficult to find pulse doppler in a sentence. 用pulse doppler造句挺难的
- In the paper , a coherent video signal simulation is applied to model and simulate a pulse doppler radar seeker
本文采用相干视频信号仿真方法对脉冲多普勒雷达导引头进行了建模和仿真研究。 - Moreover , theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed
在此基础上，进一步讨论了随机脉位调制加随机二相码调相脉冲多普勒雷达原理。 - Based on the definition of the average ambiguity function , the numerical expression of the average ambiguity function for the rppm pulse doppler radar signal is derived in this dissertation
本文从平均模糊函数的定义出发，推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。 - Pulsed doppler ultrasound and color doppler imaging are not only helpful in differentiate diagnosis with other placental tumor , but can also predict the perinatal outcome
利用杜卜勒超音波血流侦测与彩色杜卜勒影像不仅可以帮助胎盘绒毛膜血管瘤与其他胎盘良性肿瘤的?别诊断，还可以评估怀孕的周产期预后。 - Pulsed doppler ultrasound and color doppler imaging are not only helpful in differentiate diagnosis with other placental tumor , but can also predict the perinatal outcome
利用杜卜勒超音波血流检测与彩色杜卜勒图象不仅可以帮助胎盘绒毛膜血管瘤与其他胎盘良性肿瘤的鉴别诊断，还可以评估怀孕的周产期预后。 - 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。
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