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  本文關(guān)鍵詞：測向定位算法研究及測向定位系統(tǒng)軟件設(shè)計　出處：《電子科技大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 測向 定位 GIS地圖 軟件設(shè)計

【摘要】：現(xiàn)有的方向角定位技術(shù)在測向算法的實現(xiàn)上有待提高,盡管一些高分辨力測向算法已經(jīng)提出,但往往由于算法太過復(fù)雜而無法在硬件設(shè)備上實現(xiàn)。方向角定位的精度對測向誤差非常敏感,現(xiàn)有的定位算法很難滿足定位精度的需求,為實現(xiàn)高精度定位,需要綜合考慮測向準確度、測向站布局、地理環(huán)境等各種因素。另外,現(xiàn)有的測向定位軟件無法直接用于教研室的測向設(shè)備,并且在功能上又有許多地方需要改進。本文的研究目的歸結(jié)為三個方面:一是研究如何將高精度的測向算法應(yīng)用到定位軟件上,二是探究如何改進現(xiàn)有的定位算法以實現(xiàn)對目標更為精確地定位;三是對測向定位系統(tǒng)軟件進行設(shè)計和完善。測向算法方面?zhèn)戎匮芯烤哂谐叻直媪臻g譜估計測向算法,本文在對空間譜估計的典型算法MUSIC算法的實現(xiàn)原理和性能進行分析的基礎(chǔ)上,提出了不進行特征分解而實現(xiàn)測向的方法,從而降低了算法在軟件上實現(xiàn)的難度。定位算法研究方面,本文先是對影響定位的精度因素進行了分析,分析內(nèi)容包括定位模糊區(qū)、最大位置誤差、幾何稀釋度等,接下來又對多站定位的修正算法展開研究,在分析幾種常見的多站定位修正算法的基礎(chǔ)上,提出了球面坐標系下最小二乘法的修正方法,最后,研究了三維定位的實現(xiàn)方法,并對三維定位的性能進行了分析系統(tǒng)軟件設(shè)計方面主要進行了兩個方面的工作:一是軟件的總體設(shè)計,二是功能的完善。具體地,軟件總體設(shè)計的內(nèi)容包括:需求分析、組織結(jié)構(gòu)設(shè)計、線程設(shè)置,功能的完善包括:頻譜和電平流顯示控件的封裝、GIS的功能擴展、車載設(shè)備定位功能的設(shè)計。
[Abstract]:The direction angle positioning technology needs to be improved in the realization of direction finding algorithm, although some high resolution direction finding algorithm has been proposed, but often because the algorithm is too complex to be implemented in hardware equipment. The direction angle of the positioning accuracy is very sensitive to errors, existing localization algorithm is difficult to meet the demand for precision positioning. To achieve high precision positioning, need to consider the direction finding accuracy of direction finding station layout, various factors such as geographical environment. In addition, the existing positioning software cannot be used for direction finding equipment department directly, and in function and there are many places need to be improved. The purpose of this study is divided into three aspects: one is to study how to high precision direction finding algorithm is applied to the localization of software, the two is to explore how to improve the existing localization algorithms in order to achieve the target more accurately positioning; three is the direction finding system The software is designed and perfected. Focus on research direction finding algorithm with ultra high resolution spatial spectrum estimation algorithm, this paper analyzed the principle and performance of typical MUSIC algorithm of spatial spectrum estimation on the proposed method to realize measurement and characteristic decomposition, which reduces the algorithm implemented in software the difficulty of the research. The first is the precision positioning algorithm, influence factors on positioning are analyzed, including analysis of location fuzzy region, the maximum position error, the geometric dilution, the correction algorithm of multi station positioning research, based on the analysis of several common algorithm on multi station positioning and proposes the correction method, least squares method in spherical coordinates. Finally, implementation method of the 3D positioning, and the performance of three-dimensional positioning are analyzed system software design The surface includes two aspects: one is the work of the overall design of the software, two is the perfect function. Specifically, the overall design of the software includes: requirement analysis, structure design, function perfect thread settings, including: the spectrum and flow level display control encapsulation, GIS function expansion, design vehicle positioning device function.

【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN95

【參考文獻】

相關(guān)期刊論文 前4條

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本文編號：1406652