pulse doppler造句
例句與造句
- A method of processing airborne pulsed doppler radar targets dots
一種機(jī)載脈沖多普勒雷達(dá)目標(biāo)點(diǎn)跡處理方法 - Combinatorial jamming of pulse doppler radar based upon drfm and its ecm effectiveness measure
的脈沖多普勒雷達(dá)組合干擾及其效能評(píng)估 - Ultrasonics - pulsed doppler diagnostic systems - test procedures to determine performance
超聲學(xué).脈沖式多普勒診斷系統(tǒng).測(cè)定性能的步驟 - Pulsed doppler radar ( pd radar ) is a kind of advanced radar which using coherent processing
脈沖多普勒雷達(dá)是一種先進(jìn)的全相參體制雷達(dá)。 - The simulation proved that the algorithm can accomplish the pulse doppler identification under great acceleration
最后仿真表明，該算法可以完成高加速度下的脈沖多普勒測(cè)速。 - It's difficult to find pulse doppler in a sentence. 用pulse doppler造句挺難的
- In the paper , a coherent video signal simulation is applied to model and simulate a pulse doppler radar seeker
本文采用相干視頻信號(hào)仿真方法對(duì)脈沖多普勒雷達(dá)導(dǎo)引頭進(jìn)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
在此基礎(chǔ)上，進(jìn)一步討論了隨機(jī)脈位調(diào)制加隨機(jī)二相碼調(diào)相脈沖多普勒雷達(dá)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
本文從平均模糊函數(shù)的定義出發(fā)，推導(dǎo)了隨機(jī)脈位調(diào)制脈沖多普勒雷達(dá)信號(hào)的平均模糊函數(shù)解析表達(dá)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偵測(cè)與彩色杜卜勒影像不僅可以幫助胎盤絨毛膜血管瘤與其他胎盤良性腫瘤的?別診斷，還可以評(píng)估懷孕的周產(chǎn)期預(yù)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檢測(cè)與彩色杜卜勒?qǐng)D象不僅可以幫助胎盤絨毛膜血管瘤與其他胎盤良性腫瘤的鑒別診斷，還可以評(píng)估懷孕的周產(chǎn)期預(yù)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，本文結(jié)合彈載高重頻脈沖多普勒體制雷達(dá)的特點(diǎn)，分析了彈載pd雷達(dá)對(duì)機(jī)動(dòng)目標(biāo)進(jìn)行檢測(cè)、識(shí)別的難點(diǎn)及可采用的技術(shù)途徑。 - 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
本文對(duì)脈沖多普勒雷達(dá)的目標(biāo)回波、干擾信號(hào)、地雜波等雷達(dá)接收機(jī)前端的環(huán)境信號(hào)的仿真進(jìn)行了闡述，對(duì)各環(huán)境信號(hào)進(jìn)行了分析，建立了信號(hào)模型，并給出了仿真結(jié)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
第一章主要對(duì)仿真中涉及到的脈沖多普勒（ pd ）雷達(dá)和脈沖壓縮（ pc ）雷達(dá)兩種雷達(dá)體制進(jìn)行了簡(jiǎn)述，給出了它們的定義，工作的環(huán)境，工作特點(diǎn)及各自的優(yōu)缺點(diǎn)。 - 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
并且根據(jù)各種典型地貌的近似模擬，從統(tǒng)計(jì)特性上和頻率域上對(duì)脈沖多卜勒雷達(dá)的旁瓣雜波進(jìn)行了分析討淪，還得出脈沖多卜勒雷達(dá)的dft可以近似地看作相參積累，并在程序的編制中利用了這一個(gè)結(jié)論。 - 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，從彈載高重頻脈沖多普勒雷達(dá)的多普勒分辨率和加速度分辨率出發(fā)，結(jié)合不同編隊(duì)方式的多目標(biāo)回波信號(hào)的特點(diǎn)，分析了多目標(biāo)和單個(gè)目標(biāo)的回波信號(hào)的多普勒譜和加速度譜的特性，提出了一種基于一維多普勒像和一維加速度像的級(jí)次多目標(biāo)分辨算法。
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