本文選題：近程戰(zhàn)場(chǎng)警戒雷達(dá) + 單兵偵察雷達(dá)��； 參考：《西安電子科技大學(xué)》2014年碩士論文

【摘要】：本文著眼于近程戰(zhàn)場(chǎng)警戒雷達(dá)在軍事斗爭(zhēng)中不可替代的近戰(zhàn)作用和在當(dāng)前軍事行動(dòng)中日益突出的戰(zhàn)術(shù)意義,結(jié)合對(duì)線性調(diào)頻連續(xù)波(LFMCW)體制深入系統(tǒng)的研究而來。論文對(duì)LFMCW體制在近程戰(zhàn)場(chǎng)警戒雷達(dá)上應(yīng)用的可行性進(jìn)行了全面的理論分析,對(duì)目標(biāo)的測(cè)距測(cè)速、運(yùn)動(dòng)目標(biāo)檢測(cè)、多目標(biāo)信號(hào)處理等問題進(jìn)行了深入的研究,最后對(duì)實(shí)驗(yàn)樣機(jī)的功能技術(shù)指標(biāo)進(jìn)行了設(shè)計(jì),并對(duì)各功能模塊的情況進(jìn)行了分析。本文的目的在于根據(jù)LFMCW體制的特點(diǎn),結(jié)合目標(biāo)檢測(cè)算法和解決多目標(biāo)檢測(cè)問題的頻域配對(duì)算法,通過理論推導(dǎo)和仿真驗(yàn)證,從而使這種體制的近程戰(zhàn)場(chǎng)警戒雷達(dá)適用于當(dāng)前軍事斗爭(zhēng)前沿,能夠滿足戰(zhàn)斗分隊(duì)對(duì)前線警戒監(jiān)視、單兵偵察、邊海防衛(wèi)、軍隊(duì)守護(hù)的需要,而且具有連續(xù)工作、操作簡(jiǎn)單、攜行方便的特點(diǎn),還要能夠符合對(duì)裝備小型化、輕型化、低成本、高性能等方面的要求,從而便于大量裝備前線部隊(duì)。相對(duì)而言,LFMCW體制雷達(dá)抗截獲性能好、距離分辨力高、抗干擾能力強(qiáng)、發(fā)射峰值功率低、無距離盲區(qū),而且小巧輕便結(jié)構(gòu)簡(jiǎn)單,近程性能優(yōu)異,正好可以應(yīng)用于近程警戒。論文通過分析研究和仿真實(shí)驗(yàn),證明了其可行性和正確性。本文的主要研究工作如下:1、對(duì)近程戰(zhàn)場(chǎng)警戒雷達(dá)的背景及意義進(jìn)行了闡述,對(duì)這種裝備的研究發(fā)展概況和技術(shù)體制特點(diǎn)進(jìn)行了分析討論,對(duì)其發(fā)展趨勢(shì)也做了介紹。2、分析了近程戰(zhàn)場(chǎng)警戒雷達(dá)的應(yīng)用場(chǎng)景和目標(biāo)檢測(cè)原理,對(duì)其工作原理進(jìn)行了深入細(xì)致的研究,最后通過對(duì)目標(biāo)檢測(cè)算法的仿真,對(duì)本文信號(hào)處理方法的正確性和可行性進(jìn)行了驗(yàn)證,給后面的分析提供了充分的參考數(shù)據(jù)。3、研究了LFMCW雷達(dá)的信號(hào)處理過程,對(duì)多目標(biāo)檢測(cè)的頻域配對(duì)處理方法進(jìn)行了詳細(xì)的分析研究,通過仿真驗(yàn)證了其在多目標(biāo)檢測(cè)方面的有效性。4、給出了樣機(jī)實(shí)驗(yàn)系統(tǒng)的功能和指標(biāo)參數(shù),選擇了合適的信號(hào)處理的實(shí)現(xiàn)方案,并對(duì)算法進(jìn)行了說明和分析。最后論文系統(tǒng)地總結(jié)了全文的工作,并且明確了今后需要進(jìn)一步研究分析的問題。
[Abstract]:This paper focuses on the irreplaceable melee role of short-range battlefield alert radar and its increasingly prominent tactical significance in current military operations, combining with the in-depth and systematic study of the linear frequency modulation continuous wave (LFMCW) system. In this paper, the feasibility of the application of LFMCW in short-range battlefield warning radar is analyzed, and the problems of ranging and velocity measurement, moving target detection and multi-target signal processing are studied deeply. Finally, the functional and technical indexes of the experimental prototype are designed, and the situation of each functional module is analyzed. The purpose of this paper is to combine the target detection algorithm and the frequency domain pairing algorithm to solve the problem of multi-target detection according to the characteristics of LFMCW system. As a result, the short-range battlefield alert radar of this system can be applied to the front line of the current military struggle, and can meet the needs of the combat units for front-line surveillance, single-soldier reconnaissance, border and coastal defense, and military guarding. Moreover, it has a continuous operation and is simple to operate. It can meet the requirements of miniaturization, lightness, low cost, high performance and so on, so it is convenient to equip a large number of front-line troops. In contrast, LFMCW radar has good anti-interception performance, high range resolution, strong anti-jamming ability, low peak power, no range blind area, small and light structure and excellent short-range performance, so it can be used in short-range warning. The feasibility and correctness of the method are proved by the analysis and simulation experiments. The main research work of this paper is as follows: 1. The background and significance of short-range battlefield alert radar are expounded, and the research and development situation and technical system characteristics of this kind of equipment are analyzed and discussed. The development trend of the radar is also introduced. The application scene and target detection principle of short-range battlefield alert radar are analyzed, and its working principle is studied in detail. Finally, the simulation of target detection algorithm is carried out. The correctness and feasibility of the signal processing method in this paper are verified, and the full reference data. 3 is provided for the following analysis. The signal processing process of LFMCW radar is studied. The frequency domain pairing processing method of multi-target detection is analyzed and studied in detail. The effectiveness of the method in multi-target detection is verified by simulation. The function and index parameters of the prototype experimental system are given. A suitable signal processing scheme is selected, and the algorithm is explained and analyzed. Finally, the thesis systematically summarizes the work of the paper, and makes clear the problems that need further research and analysis in the future.
【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)】：TN957.51

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