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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2017     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Assessment of Homodyned K Distribution Modeling Ultrasonic Speckles from Scatterers with Varying Spatial Organizations 期刊论文 JOURNAL OF HEALTHCARE ENGINEERING, 2017 作者:  Hu, Xiao;  Zhang, Yufeng;  Deng, Li;  Cai, Guanghui;  Zhang, Qinghui 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/04 Experimental Research on Adaptive 128/64QAM DFT-Spread IFFT/FFT Size Efficient OFDM With a High SE in VLLC System 期刊论文 IEEE Photonics Journal, 2017, 卷号: Vol.9 No.1, 页码: 1-8 作者:  Chen, Qinghui;  He, Jing;  Deng, Rui;  Chen, Ming;  Zhang, Fangliu 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/31 Modulation  Adaptive systems  Peak to average power ratio  Discrete Fourier transforms  Transmitters  Digital signal processing  discrete Fourier transform (DFT)-spread  Visible laser light communication (VLLC)  laser diode (LD)  adaptive inverse fast Fourier transmission and fast Fourier transform (IFFT/FFT) size efficient orthogonal frequency division multiplexing (OFDM)   Experimental research of adaptive OFDM and OCT precoding with a high SE for VLLC system 期刊论文 Optical Fiber Technology, 2017, 卷号: Vol.37, 页码: 21-25 作者:  Liu, Shuang-ao;  He, Jing;  Chen, Qinghui;  Deng, Rui;  Zhou, Zhihua 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/31 Visible light laser communication (VLLC)  Laser diode (LD)  Orthogonal circulant matrix transform (OCT) precoding  Signal noise ratio (SNR)   A software reconfigurable optical multiband UWB system utilizing a bit-loading combined with adaptive LDPC code rate scheme 期刊论文 Optical Fiber Technology, 2017, 卷号: Vol.36, 页码: 387-393 作者:  He, Jing;  Dai, Min;  Chen, Qinghui;  Deng, Rui;  Xiang, Changqing 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/31 Adaptive low-density parity-check (LDPC)  Bit-loading  Multiband orthogonal frequency division multiplexing ultra-wideband (multiband OFDM UWB)  Software reconfigurable