基于N分隨機(jī)乘法模型的多重分形海雜波仿真

doi:10.11999/JEIT141042

基于N分隨機(jī)乘法模型的多重分形海雜波仿真

doi: 10.11999/JEIT141042

基金項(xiàng)目:

國(guó)家部委基金資助課題

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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2014-08-04
- 修回日期: 2014-10-20
- 刊出日期: 2015-06-19

Simulating Multifractal Sea Clutter by N-partitioned Random Multiplicative Process Model

摘要

摘要: 2分隨機(jī)乘法模型的倍乘因子的分布要求是關(guān)于1/2對(duì)稱的，所以基于此模型仿真出海雜波數(shù)據(jù)的多重分形譜函數(shù)形狀比較受限制。該文在分析2分隨機(jī)乘法模型構(gòu)造過程的基礎(chǔ)上，提出N分隨機(jī)乘法模型，它是2分隨機(jī)乘法模型的推廣，但卻突破倍乘因子分布關(guān)于1/2對(duì)稱的限制，更利于仿真具有期望形狀的多重分形譜函數(shù)的海雜波數(shù)據(jù)。理論推導(dǎo)和實(shí)驗(yàn)結(jié)果均表明倍乘因子的分布決定多重分形譜函數(shù)的形狀。
- 目標(biāo)檢測(cè) /
- 多重分形 /
- 海雜波 /
- 隨機(jī)乘法模型
Abstract: The distribution of a multiplier of 2-partitioned random multiplicative model is symmetric about 1/2, which makes the shape of multifractal function of the simulation data be fixed. Based on the analysis of the construction process of the 2-partitioned random multiplicative model, the N-partitioned random multiplicative model is proposed, as a generalization of the 2-partitioned and it breaks the limitation that the multiplier is symmetric about 1/2. The model is more convenient to simulate data with the desired shape of multifractal function. It is proved theoretically and experimentally that the distribution of the multiplier determines the shape of the multifractal function.
- Target detection /
- Multifractal /
- Sea clutter /
- Random multiplicative process model

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