【摘要】：本論文以大型二維相控陣雷達為背景,以一個包含了6336(72*88)個有源單元的天線陣面為研究對象,該天線陣面包含TR組件數(shù)量多,屬于典型的大型相控陣雷達。該天線陣面對波束控制系統(tǒng)控制性能要求高,傳統(tǒng)集中式波束控制系統(tǒng)設計方法已不能滿足其控制需求,本文提出了一種分布式、高速光纖傳輸波束控制系統(tǒng)設計方法,并對系統(tǒng)中各電路單元硬件設計及關鍵軟件流程進行了詳細設計,最后通過對系統(tǒng)及系統(tǒng)內(nèi)各模塊的性能分析,得出分布式、光傳輸波束控制系統(tǒng)設計具有良好的實際效果。本文首先介紹了國內(nèi)外相控陣雷達發(fā)展歷程及發(fā)展現(xiàn)狀、波束控制系統(tǒng)在相控陣雷達中的主要功能、發(fā)展現(xiàn)狀及當前主流設計思想,分布式設計方法是當前大型二維相控陣雷達波束控制系統(tǒng)的主流設計方法。介紹了波束控制系統(tǒng)的基本工作原理與光纖傳輸?shù)幕驹?分析了將光纖傳輸應用于波束控制系統(tǒng)設計中的各項優(yōu)點。本文以一個具體的雷達波束控制系統(tǒng)設計為研究對象,通過對系統(tǒng)指標的詳細分析,確定了設計思路,既采用分布式與光傳輸?shù)脑O計方案。根據(jù)天線陣面輻射單元數(shù)量及其物理排布特點對子陣劃分、波束控制系統(tǒng)級數(shù)確定、波束控制系統(tǒng)各級電路單元數(shù)量及系統(tǒng)內(nèi)各電路模塊硬件設計及關鍵軟件流程進行了詳細設計,并根據(jù)調(diào)試、測試情況提出了進一步優(yōu)化波控系統(tǒng)性能的設計方法,為下一步的工作提供了思路。通過對系統(tǒng)及系統(tǒng)內(nèi)各模塊的實際工作性能測試得出結(jié)論,分布式、光傳輸波束控制系統(tǒng)較大幅度的提升了波束控制系統(tǒng)的系統(tǒng)響應時間,在時序信號抖動性、同步性方面較傳統(tǒng)的波束控制系統(tǒng)設計方式有明顯優(yōu)勢,同時該系統(tǒng)具有較好的擴展性,在天線陣面組件數(shù)量規(guī)模擴大時,進行積木式擴展便可實現(xiàn)更大規(guī)模的天線陣面控制,是一種較為先進的大型二維相控陣雷達波束控制系統(tǒng)。
[Abstract]:In this paper, a large two-dimensional phased array radar is taken as the background, and a antenna array surface containing 6336 (72 / 88) active elements is taken as the research object. The bread of the antenna array contains a large number of TR modules and belongs to a typical large phased array radar. The control performance of the antenna array facing beam control system is high, and the traditional centralized beam control system design method can no longer meet its control requirements. In this paper, a distributed, high speed fiber optic transmission beam control system design method is proposed. The hardware design and key software flow of each circuit unit in the system are designed in detail. Finally, by analyzing the performance of the system and the modules in the system, it is concluded that the design of the distributed beam control system for optical transmission has a good practical effect. This paper first introduces the development history and present situation of phased array radar at home and abroad, the main functions of beam control system in phased array radar, the development status and the current mainstream design idea. Distributed design method is the main design method of large-scale two-dimensional phased array radar beam control system. The basic working principle of beam control system and the basic principle of optical fiber transmission are introduced. The advantages of applying optical fiber transmission to the design of beam control system are analyzed. This paper takes a specific radar beam control system design as the research object, through the detailed analysis to the system index, has determined the design idea, namely uses the distributed and the optical transmission design plan. The subarray is divided according to the number of radiation units on the surface of the antenna array and its physical layout characteristics, and the series of the beam control system is determined. The number of circuit units at all levels of the beam control system and the hardware design and key software flow of each circuit module in the system are designed in detail. According to the debugging and testing conditions, the design method of further optimizing the performance of the wave control system is put forward. It provides some ideas for the next step. By testing the performance of the system and its modules, it is concluded that the distributed, optical transmission beam control system can greatly improve the response time of the beam control system and the jitter of the timing signal. Compared with the traditional beam control system, the synchronism has obvious advantages, and the system has better expansibility. When the number of antenna array components is enlarged, the building block expansion can realize the large-scale antenna array surface control. It is an advanced beam control system for large-scale two-dimensional phased array radar.
【學位授予單位】：電子科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TN958.92

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