Search Results - "Lingqi Zeng"

Efficient encoding of quasi-cyclic low-density parity-check codes by Zongwang Li, Lei Chen, Lingqi Zeng, Lin, S., Fong, W.H.

“…Quasi-cyclic (QC) low-density parity-check (LDPC) codes form an important subclass of LDPC codes. These codes have encoding advantage over other types of LDPC…”
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Potential direct observation of meteoroid fragmentation by a high range resolution radar by Zeng, Lingqi, Yue, Xinan, Ke, Changhai, Ding, Feng, Zhao, Biqiang, Ning, Baiqi

“…In the development of Sanya Incoherent Scatter Radar (SYISR), which is a major scientific instrument project founded by the National Natural Science Foundation…”
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Construction of nonbinary cyclic, quasi-cyclic and regular LDPC codes: a finite geometry approach by Lingqi Zeng, Lingqi Zeng, Lan Lan, Lan Lan, Ying Yu Tai, Ying Yu Tai, Bo Zhou, Bo Zhou, Shu Lin, Shu Lin, Abdel-Ghaffar, K.A.S

“…This paper presents five methods for constructing nonbinary LDPC codes based on finite geometries. These methods result in five classes of nonbinary LDPC…”
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Influence of Antenna Element Position Deviation on Radiation Performance of Helical Antenna Array by Zeng, Lingqi, Wang, Chengxin, Liu, Haibo, Liu, Ning, Wang, Jinxin, Zhou, Lanlan, Wang, Yong, Wang, Yongqing

“…The electrical performance of the feed array is degraded because of the position deviation of the array elements caused by manufacturing and processing, which…”
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Sedimentological and carbonate isotope signatures to identify fluvial processes and catchment changes in a supposed impact ejecta‐dammed lake (Miocene, Germany) by Zeng, Lingqi, Ruge, Dag B., Berger, Günther, Heck, Karin, Hölzl, Stefan, Reimer, Andreas, Jung, Dietmar, Arp, Gernot, Arenas, Concha

“…The identification and distinction of fluvial from lacustrine deposits and the recognition of catchment changes are crucial for the reconstruction of climate…”
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Study on the Method of Extracting Plasma Lines Based on Sanya Incoherent Scatter Radar by Hao, Honglian, Zhao, Biqiang, Yue, Xinan, Ding, Feng, Ning, Baiqi, Zeng, Lingqi

“…The plasma lines observed by Sanya incoherent scatter radar (SYISR) are dependent on the enhancement of Langmuir waves due to superthermal photoelectrons…”
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Algebraic construction of quasi-cyclic LDPC codes for the AWGN and erasure channels by Ying Yu Tai, Lan, L., Lingqi Zeng, Lin, S., Abdel-Ghaffar, K.A.S.

“…This paper is concerned with construction of quasi-cyclic (QC) low-density parity-check (LDPC) codes for three different types of channels: the additive white…”
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Preliminary Results of the Three-Dimensional Plasma Drift Velocity at East Asian Low-Latitudes Observed by the Sanya Incoherent Scattering Radar (SYISR) by Jin, Yuyan, Zhao, Biqiang, Hao, Honglian, Yue, Xinan, Ding, Feng, Ning, Baiqi, Zeng, Lingqi, Li, Zishen

“…As the first advanced modular phase array incoherent scatter radar (ISR) established in the Eastern Hemisphere at low latitudes, Sanya ISR (SYISR) can measure…”
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Construction of Quasi-Cyclic LDPC Codes for AWGN and Binary Erasure Channels: A Finite Field Approach by Lan Lan, Lingqi Zeng, Tai, Y.Y., Lei Chen, Shu Lin, Abdel-Ghaffar, K.

“…In the late 1950s and early 1960s, finite fields were successfully used to construct linear block codes, especially cyclic codes, with large minimum distances…”
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Constructions of Nonbinary Quasi-Cyclic LDPC Codes : A Finite Field Approach by LINGQI ZENG, LAN LAN, TAI, Ying Y, SHUMEI SONG, SHU LIN, ABDEL-GHAFFAR, Khaled

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Construction of low-density parity-check codes by superposition by Xu, J., Chen, L., Zeng, L., Lan, L., Lin, S.

“…This paper presents a superposition method for constructing low-density parity-check (LDPC) codes. Several classes of structured LDPC codes are constructed…”
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Concatenated Codes for Combating Effects of Intertrack Interference in Shingled Magnetic Recording by Tang, Xiangyu, Kou, Yu, Zeng, Lingqi

“…We introduce a novel concatenated code that targets errors generated by intertrack interference in shingled magnetic recording. The code has fewer overhead…”
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Mobile Robot Collision Avoidance in Human Environments by Zeng, Lingqi, Bone, Gary M.

“…Collision avoidance is a fundamental requirement for mobile robots. Avoiding moving obstacles (also termed dynamic obstacles) with unpredictable direction…”
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Lidar observations of Fe and Na meteor trails with high temporal resolution by Zeng, Lingqi, Yi, Fan

“…Extensive lidar measurements of Fe and Na meteor trails were conducted with an integration period of 3.2 s. A total of 155 Fe trails and 136 Na trails were…”
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Laparoscopic Radiofrequency Ablation of Renal Tumors: 32-Month Mean Follow-up Results of 106 Patients by Ji, Changwei, Li, Xiaogong, Zhang, Shiwei, Gan, Weidong, Zhang, Gutian, Zeng, Lingqi, Yan, Xiang, Liu, Tieshi, Lian, Huibo, Guo, Hongqian

“…Objective To report our experience of laparoscopic radiofrequency ablation (RFA) on patients with renal tumors. RFA has been increasingly applied in the…”
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Preliminary experimental results by the prototype of Sanya Incoherent Scatter Radar by Yue, XinAn, Wan, WeiXing, Xiao, Han, Zeng, LingQi, Ke, ChangHai, Ning, BaiQi, Ding, Feng, Zhao, BiQiang, Jin, Lin, Li, Chen, Li, MingYuan, Wang, JunYi, Hao, HongLian, Zhang, Ning

“…In the past decades, the Incoherent Scatter Radar (ISR) has been demonstrated to be one of the most powerful instruments for ionosphere monitoring. The…”
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Transactions Papers - Constructions of Nonbinary Quasi-Cyclic LDPC Codes: A Finite Field Approach by Lingqi Zeng, Lan Lan, Tai, Y.Y., Shumei Song, Shu Lin, Abdel-Ghaffar, K.

“…This paper is concerned with construction of efficiently encodable nonbinary quasi-cyclic LDPC codes based on finite fields. Four classes of nonbinary…”
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Analysis of tangential stress response of ice-workpiece interface in ice-based machining of thin-walled parts: Modeling and experiment by Wang, Chengxin, Liu, Haibo, Zeng, Lingqi

“…The contact stress between the fixture and the workpiece surface is a crucial factor in evaluating the constraint performance of the fixture. According to the…”
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Microstructure of ice with physical crosslinking structure and its mechanical properties under impact load by Wang, Chengxin, Liu, Haibo, Sun, Keyu, Zeng, Lingqi, Wang, Yongqing

“…•The microscopic morphology of ice with physical crosslinking structure is elucidated.•The variation of stress–strain and time-strain rate of ice with physical…”
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Analytical modeling of Poisson burr formation in the machining of Al6061 with interface constraint by Li, Pengchao, Wang, Chengxin, Zeng, Lingqi, Liu, Haibo, Wang, Yongqing

“…During the cutting process, unnecessary burrs frequently emerge along the cutting edge. To suppress the burrs generated in the process, an effective method is…”
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