通信信號偵察接收機與FMCW雷達信號處理機的研究與實現
[Abstract]:In modern warfare, electronic warfare can be said to be a special form of warfare, but also a vital means of warfare. In electronic warfare, all forms of confrontation and attack need to be based on electronic reconnaissance. The communication signal reconnaissance receiver introduced in the first part of this thesis is a kind of technical means applied in the field of electronic investigation, which is aimed at the communication signal. With the increasing complexity of battlefield electromagnetic environment, more and more communication signal reconnaissance receiver is required. The receiver in this paper adopts the structure of channelized digital receiver, which can better meet the requirements of multi-signal simultaneous processing and full probability interception. In this paper, the general digital receiver is analyzed, then the channelized digital receiver based on polyphase filter is presented. The concept of fast Fourier transform (FFT) is further introduced, and the efficient structure of channelized digital receiver is obtained. At the same time, aiming at the problem that the same signal can not be recognized in the adjacent channel, a channel decision criterion based on instantaneous frequency measurement method is adopted. Based on the theoretical framework, this paper completes the hardware implementation process on the field editable logic gate array (FPGA) platform. Due to the special requirement of polyphase filter structure, parallel FFT processing unit is designed and optimized to save resources as much as possible. The theoretical design of channelized digital receiver and the design of FPGA algorithm are simulated in this paper to verify the correctness of the design. The communication signal reconnaissance receiver belongs to a passive detection system, while the FMCW radar described in the second part of this paper belongs to the active detection radar. With the rapid development of economy in our country, the number of cars is increasing rapidly, meanwhile, the traffic safety problem is becoming more and more serious. In the second part of this paper, the signal processor of FM CW (FMCW) radar, which is used in traffic safety field, is an intelligent information acquisition equipment. FMCW radar is a radar system which uses FM CW signal as transmitting signal to obtain target information. It has the advantages of no range ambiguity, high ranging accuracy, light weight, small volume, low probability interception and so on. This paper mainly introduces the principle of FMCW radar and the design process of FPGA algorithm based on the scientific research project of radar signal processing. In this part, we first introduce how FMCW radar can obtain the range, velocity and azimuth of the target, and discuss the reason of the range-velocity coupling phenomenon and how to solve this problem. Because the FMCW radar signal processor is mainly aimed at moving targets, this paper also introduces how to remove the fixed target interference and solve the problem of multi-target display. This paper only introduces part of the project, mainly the algorithm design of FMCW radar signal processor in FPGA. In the part of FPGA algorithm design in this paper, the data processing process of two-dimensional FFT operation and cancellation operation is introduced in detail, including the data storage structure of each module.
【學位授予單位】:煙臺大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TN957.51;TN97
【參考文獻】
相關期刊論文 前10條
1 倪漢昌;陳少春;;電子戰(zhàn)發(fā)展動向及其對導彈武器的影響[J];戰(zhàn)術導彈技術;2016年06期
2 姚學斌;;連續(xù)波雷達載波泄露對消技術分析[J];中國新技術新產品;2016年18期
3 楊春華;;關于連續(xù)波雷達及信號處理技術研究[J];中國新通信;2016年17期
4 柴乾;毛海云;;俄羅斯電子戰(zhàn)及空天軍電子戰(zhàn)發(fā)展綜述[J];現代軍事;2016年08期
5 桂佑林;王本君;;數字信道化及虛假信號問題研究[J];現代雷達;2016年03期
6 汪濤;劉麗;;美軍戰(zhàn)斗機電子戰(zhàn)能力[J];國防科技;2016年01期
7 徐銳敏;陳志凱;趙偉;;微波集成電路的發(fā)展趨勢[J];微波學報;2013年Z1期
8 龔仕仙;魏璽章;黎湘;;寬帶數字信道化接收機綜述[J];電子學報;2013年05期
9 魏剛;;國外航空電子對抗裝備現狀及發(fā)展趨勢[J];海軍工程大學學報(綜合版);2012年01期
10 梁子君;宋志洪;張博;閆歡歡;;基于無線組網技術的交通信息采集方法研究[J];數字技術與應用;2011年12期
相關會議論文 前1條
1 張嶸;肖先賜;;多相濾波寬帶數字下變頻及FPGA實現[A];第十屆全國信號處理學術年會(CCSP-2001)論文集[C];2001年
相關博士學位論文 前1條
1 李冰;軟件無線電中的信道化技術研究[D];解放軍信息工程大學;2007年
相關碩士學位論文 前10條
1 宋洋;車載ACC系統的設計與驗證[D];西安電子科技大學;2014年
2 陳大釗;信道化數字接收機技術的研究與實現[D];電子科技大學;2013年
3 朱擁建;寬帶數字信道化接收機的設計與研制[D];復旦大學;2012年
4 張昌昌;基于支撐向量聚類的雷達輻射源信號分選算法[D];西安電子科技大學;2012年
5 王海豐;基于FPGA的信道化數字接收機研究與實現[D];電子科技大學;2011年
6 謝昶;數字信道化接收機研究[D];南京理工大學;2010年
7 李漢波;基于FPGA平臺數字信道化接收機的開發(fā)與研制[D];西安電子科技大學;2009年
8 江潔;三角波線性調頻連續(xù)波雷達測距儀[D];南京理工大學;2009年
9 包敏;線性調頻連續(xù)波雷達信號處理技術研究與硬件實現[D];西安電子科技大學;2009年
10 徐軍榮;FMCW雷達測距的信號處理技術研究[D];南京航空航天大學;2009年
,本文編號:2194581
本文鏈接:http://sikaile.net/kejilunwen/xinxigongchenglunwen/2194581.html