【摘要】：隨著車(chē)輛信息化的快速發(fā)展,越來(lái)越多的車(chē)載電子信息設(shè)備廣泛應(yīng)用。車(chē)輛電子信息設(shè)備的多樣化、復(fù)雜化,一方面可以顯著提高車(chē)輛的性能,另一方面車(chē)載電子信息設(shè)備也面臨著復(fù)雜電磁環(huán)境的威脅。同一平臺(tái)的車(chē)載天線系統(tǒng),由于天線種類(lèi)、數(shù)量、工作頻率、安裝方式等的不同,導(dǎo)致車(chē)載天線系統(tǒng)的電磁干擾問(wèn)題日趨嚴(yán)重。因此,研究車(chē)載天線系統(tǒng)的電磁兼容性,具有重要的理論意義和實(shí)用價(jià)值。本文基于“XX戰(zhàn)車(chē)多功能射頻傳感器電磁兼容性仿真分析”科研項(xiàng)目,以某型車(chē)輛電磁兼容性分析為背景,借助專(zhuān)業(yè)軟件建立車(chē)輛電磁模型,并應(yīng)用CST仿真軟件分析車(chē)載天線系統(tǒng)的電磁兼容性,主要工作如下:1.針對(duì)某型車(chē)輛的實(shí)際幾何形狀、尺寸,以及材料特性和運(yùn)用環(huán)境,進(jìn)行了車(chē)載天線系統(tǒng)電磁兼容性的初步探討。結(jié)合所要探索的具體工作對(duì)象,簡(jiǎn)要論述車(chē)輛電磁兼容性分析方法。2.運(yùn)用具有圖形處理能力的CAD軟件,考慮影響車(chē)載天線系統(tǒng)電磁兼容性的車(chē)體特點(diǎn),建立了某型車(chē)輛的全尺寸真實(shí)車(chē)體電磁模型。3.基于真實(shí)車(chē)體電磁模型,進(jìn)行車(chē)載天線系統(tǒng)的電磁兼容性分析。仿真分析了車(chē)載天線方向圖,以及天線間距對(duì)天線耦合度的影響,給出了兩種車(chē)載天線系統(tǒng)的布局方案。4.簡(jiǎn)要介紹了外來(lái)輻射源,分析了外來(lái)輻射源對(duì)車(chē)載多天線系統(tǒng)的影響。
[Abstract]:With the rapid development of vehicle information, more and more vehicle electronic information equipment is widely used. The diversification and complexity of vehicle electronic information equipment can significantly improve the performance of vehicle on the one hand, and on the other hand, it also faces the threat of complex electromagnetic environment. The electromagnetic interference (EMI) problem of the onboard antenna system on the same platform is becoming more and more serious due to the different kinds of antennas, the number of antennas, the working frequency, the installation mode, etc. Therefore, it is of great theoretical and practical value to study the electromagnetic compatibility of antenna system on board. Based on the research project of "electromagnetic compatibility simulation analysis of XX combat vehicle multi-function RF sensor", based on the background of electromagnetic compatibility analysis of a certain type of vehicle, a vehicle electromagnetic model is established with the help of professional software. And use CST simulation software to analyze the electromagnetic compatibility of the antenna system, the main work is as follows: 1. The electromagnetic compatibility (EMC) of a vehicle antenna system is preliminarily discussed in view of the actual geometry, size, material characteristics and operating environment of a certain type of vehicle. Combined with the specific working object to be explored, this paper briefly discusses the vehicle electromagnetic compatibility analysis method. 2. 2. By using CAD software with graphic processing ability and considering the characteristics of the carbody which affects the electromagnetic compatibility of the antenna system on board, the full-size real carbody electromagnetic model .3of a certain type of vehicle is established. Based on the real vehicle electromagnetic model, the electromagnetic compatibility analysis of the antenna system is carried out. The antenna pattern and the effect of antenna spacing on antenna coupling are simulated and analyzed, and the layout scheme of two kinds of antenna system is given. This paper briefly introduces the external radiation source and analyzes the influence of the external radiation source on the vehicle multi-antenna system.
【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】：2015
【分類(lèi)號(hào)】：TJ810.35;TN03

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本文編號(hào)：2126870