基于海情和三次樣條插值算法的艦船雷達(dá)散射截面優(yōu)化分析方法

顏偉; 耿路; 周雷; 趙陽(yáng); 王恩榮; 朱達(dá)

doi:10.11999/JEIT170562

基于海情和三次樣條插值算法的艦船雷達(dá)散射截面優(yōu)化分析方法

doi: 10.11999/JEIT170562

2.
(南京師范大學(xué)電氣與自動(dòng)化工程學(xué)院南京 210042)

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(51475246)，江蘇省自然科學(xué)基金(BK20161019, BK20131032)，江蘇省高校自然科學(xué)基金(15KJB 470011)

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出版歷程
- 收稿日期: 2017-06-09
- 修回日期: 2017-11-03
- 刊出日期: 2018-03-19

Optimization Analysis Method on Ship RCS Based on Sea Conditions and Cubic Spline Interpolation Algorithm

2.
(School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210042, China)

Funds:

The National Natural Science Foundation of China (51475246), The Natural Science Foundation of Jiangsu Province (BK20161019, BK20131032), The University Science Research Project of Jiangsu Province (15KJB470011)

摘要

摘要: 不同風(fēng)浪等級(jí)下的海面會(huì)對(duì)船艦?zāi)繕?biāo)雷達(dá)散射截面(RCS)分析產(chǎn)生強(qiáng)烈影響。該文建立了一種船艦?zāi)Ｐ?，利用物理光學(xué)法與矩量法的混合算法(PO-MOM)分析了不同海情下的船艦?zāi)繕?biāo)遠(yuǎn)場(chǎng)單站RCS。之后研究了海情對(duì)船艦?zāi)繕?biāo)RCS測(cè)試結(jié)果的影響。最后提出了基于3次樣條插值(Cubic Spline Interpolation, CSI)算法的優(yōu)化補(bǔ)償方法。結(jié)果表明，隨著海情等級(jí)的增加，艦船RCS降低；利用3次樣條插值算法進(jìn)行補(bǔ)償，其補(bǔ)償結(jié)果的平均值誤差小于0.38 dBsm，最大值誤差小于0.05 dBsm，因此能有效地減少海情對(duì)船艦RCS測(cè)試結(jié)果的影響。
- 雷達(dá)散射截面 /
- 海情 /
- 物理光學(xué)與矩量法混合算法 /
- 3次樣條插值算法
Abstract: The sea under different wave levels has an strong impact on the ship target Radar Cross Section (RCS) analysis. The far-field single-station RCS analysis model is established for the ship under different sea conditions based on the Physical Optics with Method Of Moments (PO-MOM) hybrid algorithm. Then the impact of sea conditions on ship RCS results is studied. The ship RCS results are reduced with the sea wave level increasing. Finally, an optimization ship RCS compensation method is proposed under different sea conditions based on Cubic Spline Interpolation (CSI) algorithm. The results show that the average value error and maximum value error of ship RCS results are less than 0.38 dBsm and 0.05 dBsm, respectively by employing the proposed method, which can reduce the influence of sea conditions on ship RCS analysis effectively.
- Radar Cross Section (RCS) /
- Sea condition /
- Physical Optics with Method Of Moment (PO-MOM) hybrid algorithm /
- Cubic Spline Interpolation (CSI) algorithm

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