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- 저자 : Siyu Ding (검색결과 2 건)
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Siyu Liu,Yanliang Zhang,Ling Xu,Feng Ding,Ahmed Alsaedi,Tasawar Hayat 제어·로봇·시스템학회 2021 International Journal of Control, Automation, and Vol.19 No.4
This paper develops a filtering-based iterative algorithm for the combined parameter and state estimationproblems of bilinear state-space systems, taking account of the moving average noise. In order to deal with thecorrelated noise and unknown states in the parameter estimation, a filter is chosen to filter the input-output datadisturbed by colored noise and a Kalman state observer (KSO) is designed to estimate the states by minimizing thetrace of the error covariance matrix. Then, a KSO extended gradient-based iterative (KSO-EGI) algorithm and afiltering based KSO-EGI algorithm are presented to estimate the unknown states and unknown parameters jointlyby the iterative estimation idea. The simulation results demonstrate the effectiveness of the proposed algorithms.
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Heng Wang,Jun Ding,Siyu Ding,Yaqing Chang 한국유전학회 2019 Genes & Genomics Vol.41 No.12
Background Sea urchin gonads of both sexes, commonly termed “roe”, are highly valued seafood delicacies, and Strongylocentrotus intermedius is considered one of the tastiest sea urchins. In order to produce high-quality gonads for consumption and clarify the mechanism of gonad growth and development of the sea urchin, more genetic information, especially at the transcriptome level, is needed. Objective A more thorough understanding of sea urchin gonad growth and development in both sexes could enable regulation of these processes at several stages with the aim of suppressing gametogenesis in order to produce high-quality gonads for consumption. Methods The adult sea urchins S. intermedius were cultured for 3 months, and were sampled for the gonadal transcriptome analysis which has been performed on the RNAs of three male and female adults of S. intermedius in each gonad development stage. Results Illumina sequencing raw sequence data was deposited in the NCBI Sequence Read Archive (SRA) database (PRJNA532998). It generated 560,196,356 raw reads and 548,956,944 clean reads were acquired, which were assembled into 107,850 transcripts with 44,124 genes. Comparative analysis showed the differentially expressed genes (DEGs) from 114 to 2566. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were used to determine the functional significance of these DEGs. We have selected 9 genes related to growth and 12 genes related to fatty acid biosynthesis and metabolism in sea urchin gonads. Conclusion These data for sea urchins were intended to provide markers for gonad growth and development that can be accumulated for use in aquaculture applications.
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