基于m-序列的跳頻序列集的構(gòu)造與二維相關(guān)性分析

劉元慧; 許成謙; 方汶銘

doi:10.11999/JEIT170051

基于m-序列的跳頻序列集的構(gòu)造與二維相關(guān)性分析

doi: 10.11999/JEIT170051

2.
(燕山大學(xué)信息科學(xué)與工程學(xué)院秦皇島 066004) ②(燕山大學(xué)理學(xué)院秦皇島 066004)

基金項(xiàng)目:

國家自然科學(xué)基金(61671402, 11304270)，河北省自然科學(xué)基金(F2015203150)，博士后基金(2015M570234)

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- 文章訪問數(shù): 1591
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出版歷程
- 收稿日期: 2017-01-16
- 修回日期: 2017-05-16
- 刊出日期: 2017-10-19

Construction and Two-dimensional Correlation Analysis of Frequency Hopping Sequences Based on m-Sequence

2.
(School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China)

Funds:

The National Natural Science Foundation of China (61671402, 11304270), The Natural Science Foundation of Hebei Province (F2015203150), The Postdoctoral Foundation (2015M570234)

摘要

摘要: 在雷達(dá)等高速移動(dòng)的通信系統(tǒng)中，由于傳輸過程中的時(shí)延和多普勒頻移，在分析跳頻序列的性能時(shí)，需要對(duì)其時(shí)頻2維漢明相關(guān)性進(jìn)行分析。線性移位寄存器序列(m-序列)具有良好的隨機(jī)、平衡等性質(zhì)，因此m-序列已被廣泛應(yīng)用到跳頻序列的構(gòu)造中。該文對(duì)基于m-序列的跳頻序列集的時(shí)頻2維漢明相關(guān)性進(jìn)行分析，計(jì)算了其時(shí)頻2維漢明相關(guān)值的分布；構(gòu)造了具有新參數(shù)的跳頻序列集。在相同多普勒頻移下，新序列集的2維相關(guān)性與已有基于m-序列的跳頻序列集的2維相關(guān)性相比較更穩(wěn)定。
- 跳頻序列 /
- m -序列 /
- 時(shí)頻2維漢明相關(guān)值 /
- 2維最大漢明相關(guān)值
Abstract: In the high-speed mobile communication system such as the radar, due to time delay and Doppler shift in the transmission process, it is needed to analyze Time-Frequency (TF) two-dimensional (2-D) Hamming correlation of the Frequency Hopping Sequence (FHS). Linear feedback shift register sequence (m-sequence) has good random and balance properties, so it is widely used to the construction of FHSs. In this paper, the TF 2-D Hamming correlation of FHS set constructed by m-sequence is analyzed, the distribution of its TF 2-D Hamming correlation is calculated, and an FHS set with new parameters is constructed. Under the same Doppler shift, the 2-D correlation of the new sequence set is more stable than the 2-D correlation of the existing ones.
- Frequency Hopping Sequence (FHS) /
- m-sequence /
- Time-frequency two-dimensional Hamming correlation /
- Two-dimensional maximum Hamming correlation

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參考文獻(xiàn)(21)

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