本文選題：雷達(dá)對(duì)抗 + 有源干擾　； 參考：《西安電子科技大學(xué)》2014年碩士論文

【摘要】：當(dāng)代信息化戰(zhàn)爭(zhēng)是一個(gè)復(fù)雜的開放的巨量維系統(tǒng),是參戰(zhàn)各方的綜合對(duì)抗。信息化戰(zhàn)爭(zhēng)不僅突出信息和信息技術(shù)在戰(zhàn)爭(zhēng)中的主導(dǎo)作用,而且十分強(qiáng)調(diào)武器裝備的智能化與自動(dòng)化。陸、海、空、天一體的武器裝備在雷達(dá)系統(tǒng)的支援和控制下完成精確制導(dǎo)、導(dǎo)航、預(yù)警、目標(biāo)定位、跟蹤等作戰(zhàn)任務(wù),對(duì)敵對(duì)目標(biāo)實(shí)施準(zhǔn)確有效的打擊。作為信息化戰(zhàn)爭(zhēng)的重要組成部分,雷達(dá)對(duì)抗是通過電子偵察獲取敵方作戰(zhàn)裝備雷達(dá)系統(tǒng)的技術(shù)參數(shù)和軍事部署情報(bào),并利用電子干擾、電子欺騙和電子進(jìn)攻等手段達(dá)到削弱、破壞敵方雷達(dá)作戰(zhàn)效能,保護(hù)己方雷達(dá)作戰(zhàn)效能的目的。雷達(dá)對(duì)抗的實(shí)質(zhì)是在平衡和保護(hù)己方雷達(dá)系統(tǒng)的同時(shí),通過影響敵方的雷達(dá)系統(tǒng),獲取進(jìn)攻和防御上的優(yōu)勢(shì)。隨著電子技術(shù)的迅速發(fā)展,雷達(dá)有源干擾已經(jīng)成為一種極有力的對(duì)抗措施,在信息化戰(zhàn)爭(zhēng)中得到了廣泛的應(yīng)用。因此,能夠通過對(duì)信號(hào)進(jìn)行處理判別出有源干擾的類型,獲取干擾信息,對(duì)于針對(duì)性地實(shí)施干擾對(duì)抗,保證己方雷達(dá)的戰(zhàn)場(chǎng)生存至關(guān)重要。本論文針對(duì)干擾對(duì)抗的實(shí)際需求,對(duì)雷達(dá)有源干擾展開研究,利用干擾信號(hào)特征,實(shí)現(xiàn)了有源干擾類型的判別,具有重要的實(shí)際意義。首先,在參閱多年來國(guó)內(nèi)外專家學(xué)者在雷達(dá)干擾對(duì)抗領(lǐng)域的研究資料的基礎(chǔ)上,對(duì)現(xiàn)有的一些雷達(dá)有源干擾類型判別方法進(jìn)行了簡(jiǎn)單的概括。并針對(duì)實(shí)際應(yīng)用中所存在的不足闡明了研究的實(shí)用價(jià)值。其次,介紹了常見的雷達(dá)干擾分類標(biāo)準(zhǔn),并對(duì)典型的雷達(dá)有源干擾信號(hào)做出介紹,討論分析了壓制式干擾中的射頻噪聲干擾、噪聲調(diào)頻干擾、噪聲調(diào)幅干擾與噪聲調(diào)相干擾以及欺騙式干擾中的距離欺騙式干擾、速度欺騙式干擾與角度欺騙式干擾的物理原理與數(shù)學(xué)模型,為干擾的特征分析打下理論基礎(chǔ)。再次,對(duì)常見類型的干擾信號(hào)在時(shí)域、頻域和其它變換域上的特征參數(shù)進(jìn)行了分析討論,借助仿真實(shí)驗(yàn)給出了特征參數(shù)取值的分布情況。接著對(duì)決策樹分類方法和神經(jīng)網(wǎng)絡(luò)分類方法的原理進(jìn)行了詳細(xì)介紹,結(jié)合所得到的干擾特征完成了干擾信號(hào)類型的判別,同時(shí)通過仿真實(shí)驗(yàn)討論了影響判別結(jié)果的不同因素,為干擾特征的選取提供了依據(jù)。最后,對(duì)MATLAB軟件和其中的GUI開發(fā)工具做出了簡(jiǎn)單介紹,利用GUI工具設(shè)計(jì)編寫了雷達(dá)有源干擾信號(hào)類型自動(dòng)判別軟件,對(duì)判別軟件的各個(gè)組成模塊和軟件處理流程進(jìn)行了詳細(xì)介紹,實(shí)現(xiàn)了有源干擾類型的自動(dòng)判別。
[Abstract]:The modern information war is a complex and open huge dimensional system, which is a comprehensive confrontation between the parties involved in the war. Information war not only highlights the leading role of information and information technology in the war, but also emphasizes the intelligence and automation of weapons and equipment. With the support and control of radar system, land, sea, air and sky weapons complete the combat tasks of precision guidance, navigation, early warning, target positioning and tracking, and carry out accurate and effective attack on enemy targets. As an important part of information warfare, radar countermeasure is to obtain the technical parameters and military deployment information of the enemy's operational equipment radar system through electronic reconnaissance, and to weaken the radar system by means of electronic jamming, electronic deception and electronic attack. The purpose of destroying enemy radar operational effectiveness and protecting our own radar operational effectiveness. The essence of radar countermeasure is to gain the advantage of attack and defense by influencing the enemy's radar system while balancing and protecting our radar system. With the rapid development of electronic technology, radar active jamming has become a powerful countermeasure, and has been widely used in information warfare. Therefore, it is very important to distinguish the type of active jamming and obtain jamming information by processing the signal, which is very important to implement jamming countermeasure and ensure the battlefield survival of our radar. Aiming at the actual demand of jamming countermeasure, this paper studies the radar active jamming, and makes use of the characteristics of jamming signal to distinguish the type of active jamming, which is of great practical significance. Firstly, on the basis of the research data of domestic and foreign experts and scholars in the field of radar jamming countermeasures over the years, some existing methods of discriminating radar active jamming types are briefly summarized. The practical value of the research is explained in view of the deficiency in practical application. Secondly, the common radar jamming classification standards are introduced, and the typical radar active jamming signals are introduced. The radio frequency noise jamming and the noise frequency modulation jamming in the suppression jamming are discussed and analyzed. The physical principle and mathematical model of noise amplitude modulation interference, noise phase modulation interference and distance deception interference, velocity deception interference and angle deception interference are discussed, which lays a theoretical foundation for the characteristic analysis of interference. Thirdly, the characteristic parameters of common types of interference signals in time domain, frequency domain and other transform domain are analyzed and discussed, and the distribution of characteristic parameters is given by simulation experiments. Then, the principle of decision tree classification and neural network classification is introduced in detail, and the different factors influencing the discriminant results are discussed through simulation experiments. It provides a basis for the selection of interference features. Finally, the MATLAB software and GUI development tools are introduced briefly. The automatic discriminating software of radar active jamming signal type is designed and compiled by using GUI tool. The components of discriminant software and the processing flow of the software are introduced in detail, and the automatic discrimination of active jamming type is realized.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN974

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