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| 1 | Selection of optimal window length using STFT for quantitative SNR analysis of LFM signal显示文摘An adaptive approach to select analysis window parameters for linear frequency modulated(LFM) signals is proposed to obtain the optimal 3 dB signal-to-noise ratio(SNR) in the shorttime Fourier transform(STFT) domain.After analyzing the instantaneous frequency and instantaneous bandwidth to deduce the relation between the window length and deviation of the Gaussian window,high-order statistics is used to select the appropriate window length for STFT and get the optimal SNR with the right time-frequency resolution according to the signal characteristic under a fixed sampling rate.Computer simulations have verified the effectiveness of the new method. | Qingbo Yin Liran Shen Mingyu Lu Xiangyang Wang Zhi Liu | 2013 | Journal of Systems Engineering and Electronics2013,24,1: | 11 |
| 2 | Linear FM Signal Parameter Estimation Using STFT and FRFT显示文摘 | SHEN Liran YIN Qingbo LU Mingyu ZHANG Qi GUO Lili SHEN Tianen ZHAO Guoku NING Shushi | 2013 | Chinese Journal of Electronics2013,22,2: | 8 |
| 3 | Functional Role of Matrix Metalloproteinase-8 in Stem/Progenitor Cell Migration and Their Recruitment Into Atherosclerotic Lesions显示文摘 | Qingzhong Xiao Feng Zhang Luyang Lin Changcun Fang Guanmei Wen Tsung-Neng Tsai Xiangyuan Pu David Sims Zhongyi Zhang Xiaoke Yin Binia Thomaszewski Boris Schmidt Manuel Mayr Ken Suzuki Qingbo Xu Shu Ye | 2013 | Circulation Research2013,,1: | 2 |
| 4 | Duplication and expression analysis of multicopy miRNA gene family members in Arabidopsis and rice显示文摘理解扩大多拷贝 microRNA (miRNA ) 在植物的家庭,我们局部性从到他们的染色体的 Arabidopsis 和米饭的报导 miRNA 基因,分别地并且从 Arabidopsis 观察了 117 miRNA 基因中的那 37% 个,从米饭的 173 miRNA 基因中的 35% 个是在染色体的部分复制。为了描绘表示多样化是否多发生在植物之中,拷贝 miRNA 家庭成员,我们设计了在 Arabidopsis 和米饭从 10 个家庭指向 48 位预言的 miRNA 先锋的 PCR 教材。从 RT-PCR 数据的结果建议在一样的 miRNA 家庭以内的成员的抄录先锋在不同表示层次是在场的。另外,尽管 miR160 和 miR162 序列在 Arabidopsis 和米饭被保存,我们发现这些基因的表示模式在二种之间不同。这些数据建议那表达式多样化发生了在多拷贝 miRNA 家庭,在植物增加我们 miRNAs 的表达式规定的理解。 | Danhua Jiang Changsong Yin Aiping Yu Xiaofan Zhou Wanqi Liang Zheng Yuan Yun Xu Qingbo Yu Tieqiao Wen Dabing Zhang | 2006 | Cell Research2006,16,5: | 2 |
| 5 | Selection ofoptimal window length using STFT for quantitative SNR a-nalysis of LFM signal 显示文摘 | Yin Qingbo Shen Liran Lu Mingyu | 2013 | IEEE Transactions on Journalof Systems Engineering and Electronics2013,24,1: | 1 |
| 6 | A feasible and effective solution-processed PCBM electron extraction layer enabling the high VOC and efficient Cu_(2)ZnSn(S, Se)_(4) devices显示文摘Photo-generated carrier recombination loss at the CZTSSe/Cd S front interface is a key issue to the opencircuit voltage(V_(OC)) deficit of Cu_(2)ZnSnS_(x)Se_(4-x)(CZTSSe) solar cells. Here, by the aid of an easy-handling spin-coating method, a thin PCBM([6,6]-phenyl-C61-butyric acid methyl ester) layer as an electron extraction layer has been introduced on the top of CdS buffer layer to modify CZTSSe/CdS/ZnO-ITO(In_(2)O_(3):Sn) interfacial properties. Based on Sn^(4+)/DMSO(dimethyl sulfoxide) solution system, a totalarea efficiency of 12.87% with a VOC of 529 m V has been achieved. A comprehensive investigation on the influence of PCBM layer on carrier extraction, transportation and recombination processes has been carried out. It is found that the PCBM layer can smooth over the Cd S film roughness, thus beneficial for a dense and flat window layer. Furthermore, this CZTSSe/Cd S/PCBM heterostructure can accelerate carrier separation and extraction and block holes from the front interface as well, which is mainly ascribed to the downward band bending of the absorber and a widened space charge region. Our work provides a feasible way to improve the front interfacial property and the cell performance of CZTSSe solar cells by the aid of organic interfacial materials. | Licheng Lou Yuancai Gong Jiazheng Zhou Jinlin Wang Xiao Xu Kang Yin Biwen Duan Huijue Wu Jiangjian Shi Yanhong Luo Dongmei Li Hao Xin Qingbo Meng | 2022 | Journal of Energy Chemistry2022,31,7: | 1 |
| 7 | Weakened humoral immune responses of inactivated SARS-CoV-2 vaccines in patients with solid tumors显示文摘Dear Editor Coronavirus disease 19(COVID-19),caused by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),remains a pandemic.Cancer patients have a higher risk of poor outcomes for SARS-CoV-2 infection than the general population[1].Vaccines were shown to effectively prevent SARS-CoV-2 infection,severe disease progression,and mortality.Inactivated SARS-CoV-2 vaccines(BBIBPCorV and CoronaVac)have been approved and widely used in China,with the former shown to be more effective than the latter[2].Hence,there is an urgent need to investigate the safety and humoral immune responses of inactivated vaccines in cancer patients. | Zhiwei Chen Peng Zhu Zuojin Liu Bin Zhu Guobing Yin Jia Ming Rui Song Qingbo Pan Tong Li Xingwei Jiang Bing Wang Shuaibin Liu Hongxing Cai Jingjie Wang Yuling Han Zijing Lin Yang Hong Min Chen Mingli Peng Lina Hu Dachuan Cai Hong Ren | 2023 | Cancer Communications2023,43,2: | 0 |
| 8 | Rotation-Invariant Texture Classification Using Circular Gabor Wavelets Based Local and Global Features显示文摘 | YIN Qingbo KIM Jong Nam | 2008 | Chinese Journal of Electronics2008,17,4: | 0 |