Equalization of Numerically Calculated Element Patterns for Root-Based Direction Finding Algorithms

Hossam A. Abdallah; Wasyl Wasylkiwskyj; Ivica Kopriva

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Equalization of Numerically Calculated Element Patterns for Root-Based Direction Finding Algorithms

机译：基于根的测向算法的数值计算元素模式的均衡

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Root-based direction finding algorithms (DF) have several advantages over search-based DF algorithms. A key advantage is the fact that they do not require the array steering vector; this is because these algorithms presume equalized element radiation patterns. In this paper, the WIPL-D code is used in designing an array of rectangular probe-fed patch antennas with equalized radiation patterns for measuring the range and bearing of RF emitters in the PCS band (1900-1920 MHz). Direction of arrival (DoA) estimation results based on simulations and measured data are presented and used as a measure of element patterns deviation from equality.

机译：与基于搜索的DF算法相比，基于根的方向查找算法（DF）具有多个优点。一个关键的优点是它们不需要数组控制向量。这是因为这些算法假定元素的辐射方向图相等。在本文中，WIPL-D代码用于设计具有均等辐射方向图的矩形探测馈电贴片天线阵列，以测量PCS频带（1900-1920 MHz）中RF发射器的范围和方位。给出了基于模拟和测量数据的到达方向（DoA）估计结果，并将其用作度量元素模式偏离相等性的方法。

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《Applied Computational Electromagnetics Society journal》 |2006年第1期|p.76-80|共5页
作者
Hossam A. Abdallah; Wasyl Wasylkiwskyj; Ivica Kopriva;
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Department of Electrical and Computer Engineering, The George Washington University Washington DC 20052, USA;

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正文语种 eng
中图分类电磁学、电动力学;
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1. A new root-based direction-finding algorithm [J] . Wasyl Wasylkiwskyj, Ivica Kopriva, Miloš Doroslovački, Radio Science . 2007,第2期

机译：一种新的基于根的测向算法
2. A new root-based direction-finding algorithm [J] . Wasyl Wasylkiwskyj, Ivica Kopriva, Milos Doroslovacki, Radio Science . 2007,第2期

机译：一种新的基于根的测向算法
3. NEW ALGORITHMS FOR TESTING ACCURACY OF NUMERICALLY CALCULATED TRAJECTORIES OF CHARGED PARTICLES [J] . Berdnikov AS., Chmelik J. Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 1996,第1期

机译：测试带电粒子的数值计算轨迹准确性的新算法
4. Equalization of numerically calculated element patterns for root-based direction finding algorithms [C] . Abdallah, H.A., Wasylkiwskyj, . 2005

机译：基于根的测向算法的数值计算元素模式的均衡
5. Adaptive beamforming and direction-finding algorithms for WCDMA. [D] . Wei, Sheng-Luen. 2010

机译：WCDMA的自适应波束形成和测向算法。
6. Gaussian Quantum Bat Algorithm with Direction of Mean Best Position for Numerical Function Optimization [O] . Xingwang Huang, Chaopeng Li, Yunming Pu, 2019

机译：均值最佳位置方向的高斯量子蝙蝠算法用于数值函数优化
7. Figure 4: (A) One conserved sequence, which occurs 79 times in 46,264 binding site peaks from the ChIP-seq data-set. The mutation profile of this conserved sequence is illustrated, where ’_ ’ indicates this base is unchanged; DEL indicates this base is lost; INS X indicates a new base X is inserted in front of this base. (B) Several repeated elements patterns are listed. (C) In the first column, the top five DNA motifs, mined by meme-chip tools (Machanick Bailey, 2011) are illustrated. The resemblant conserved sequences, found by the CFSP algorithm are listed in the second column. In the third column, the position-specific scoring matrices, which are transformed from mutational information are listed. The similarity between meme motif and resemblant conserved sequence with PSSM format was calculated via a stamp motif comparison tool (Mahony Benos, 2007). The E-values for the similarity of those pairs is displayed in the fourth column. (D) One motif is selected in each group clustered by gkmsvm descriptors, and the corresponding motif found by the CFSP algorithm is listed below. (E) There are additional datasets (File No: ENCFF100GRL, ENCFF616IRT, ENCFF870CER, Target: SREBF1) collected from https://www.encodeproject.org. The top two motifs are selected in each file using meme tools, and the corresponding motifs found by our algorithm are listed below. [O] . -1

机译：图4：（a）一种保守序列，其发生在芯片-SEQ数据集中的46,264个结合位点峰值中的79倍。说明了这种保守序列的突变分布，其中'_'表示该碱度不变; del表示此基础丢失; INS X表示新的基础X插入此基础前面。（b）列出了几种重复的元素模式。（c）在第一栏中，示出了由MEME芯片工具（Machanick＆Bailey，2011）开采的前五个DNA主题。由CFSP算法发现的相应保守序列列于第二列中。在第三列中，列出了从突变信息转换的特定位置的评分矩阵。 MEME主题与PSSM格式的相似性与PSSM格式之间的相似性通过邮票图章比较工具（Mahony＆Benos，2007）计算。这些对相似性的电子值显示在第四列中。（d）在由GKMSVM描述符聚集的每个组中选择了一个图案，下面列出了CFSP算法的相应主题。（e）从https://www.encodeproject.org收集的，有附加数据集（文件no：cernff100grl，cenf616irl，conf8.20cer，target：srebf1）。使用MEME工具在每个文件中选择前两个图案，并且我们的算法发现的相应主题如下所示。
8. Equalization of Numerically Calculated Element Patterns for Root-Based Direction Finding Algorithms [R] . Abdallah, H. A. , Wasylkiwskyj, W. , Kopriva, I. 2005

机译：基于根的测向算法的数值计算元素模式的均衡

Equalization of Numerically Calculated Element Patterns for Root-Based Direction Finding Algorithms

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