陣列米波雷達測高方法及性能分析

趙永波; 霍炯; 朱玉堂; 劉宏偉; 何學輝

doi:10.11999/JEIT161075

陣列米波雷達測高方法及性能分析

doi: 10.11999/JEIT161075 cstr: 32379.14.JEIT161075

基金項目:

中央高?；究蒲袠I(yè)務費項目(K5051202047)

計量
- 文章訪問數: 1540
- HTML全文瀏覽量: 171
- PDF下載量: 231
- 被引次數: 0
出版歷程
- 收稿日期: 2016-10-13
- 修回日期: 2016-12-05
- 刊出日期: 2016-12-19

Altitude Measurement Method and Performance Analysis in VHF Array Radar

Funds:

The Fundamental Research Funds for the Central Universities (K5051202047)

摘要

摘要: 米波雷達在反隱身和抗反輻射導彈等方面有著獨特的優(yōu)勢，在現代防空體系中，發(fā)揮著舉足輕重的作用。但多徑信號的存在，往往對米波雷達測高帶來困難。該文緊密結合陣列米波雷達特點，在陣列多徑信號模型基礎上，總結和歸納了以傳統(tǒng)最大似然(ML)算法為基礎的3種米波雷達測高方法：基于時空級聯ML算法的測高方法；基于改進的時空級聯ML算法的測高方法；基于精確最大似然(RML)算法的測高方法。對這些方法進行了理論性能分析，梳理了3種方法之間的相互關系，并對理論分析結果進行了計算機仿真實驗，最后給出一些有意義的結論。
- 陣列雷達 /
- 米波雷達 /
- 最大似然估計 /
- 多徑信號 /
- 測高
Abstract: VHF radar has unique advantage in anti-stealth and resisting anti-radiation missile. It plays an important role in modern antiaircraft system. However, the multipath signal often brings difficulties to the altitude measurement of VHF radar. Combining with the characteristics of VHF array radar and array multipath signal model, this paper summarizes and concludes three VHF radar height measurement methods based on the traditional Maximum Likelihood (ML) algorithm: the altitude measurement method based on the temporal-spatial sequential ML algorithm; the altitude measurement method based on the improved temporal-spatial sequential ML algorithm; the altitude measurement method based on the Refined Maximum Likelihood (RML) algorithm. This paper presents the theoretical performance analysis of these methods, the relationship between three methods, and the results of computer simulation experiments. Finally some meaningful conclusions are given.
- Array radar /
- VHF radar /
- Maximum likelihood estimate /
- Multipath signal /
- Altitude measurement

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參考文獻(24)

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