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- Huapeng Zhao, Zhongxiang Shen, Cheng Jin, Er-Ping Li
- 2015 IEEE International Conference on…
- 2015

This paper presents analysis of substrate integrated waveguide (SIW) structures using contour integral equation method. By ignoring the field variation in vertical direction, the SIW structure is decomposed into internal and external problems. The internal electromagnetic (EM) fields are governed by the contour integral equation, while the external EM… (More)

- Huapeng Zhao, Ying Zhang
- 2016 IEEE International Conference on…
- 2016

This paper reviews recent advances of sparse solution methods for solving inverse problems in antennas and propagation. Mathematical formulation of sparse solution methods is first presented. Typical applications are then introduced, including direction of arrival estimation, extrapolation of electromagnetic signals, array diagnosis, and array beamforming.… (More)

- Huapeng Zhao, Zhongxiang Shen
- 2011 8th International Conference on Information…
- 2011

Unstirred frequencies of a reverberation chamber (RC) are attributed to its discrete mode distribution. Transient analysis is usually preferred in predicting an RC's mode distribution. For its geometrical flexibility, the time-domain integral equation (TDIE) is suitable for transient analysis of RCs containing stirrers of arbitrary shape. Due to the… (More)

- Huapeng Zhao, Jun Hu
- 2016 IEEE International Conference on…
- 2016

This paper summarizes recent development in efficient solution of electromagnetic problems based on integral equation. First, hybridization of integral equation method with differential equation method is introduced for reverberation chamber (RC) modeling. It is shown that the hybrid method significantly reduces computational load for RC modeling. Second,… (More)

- Yangyi Shi, Zhizhang David Chen, Yiqiang Yu, Huapeng Zhao, Yilun Guo
- 2016 11th International Symposium on Antennas…
- 2016

Due to increasing demands for a large number of users and a large amount of data transmission, a 4G LTE communication system will require its antenna to have omnidirectional radiation patterns and wide frequency bandwidth. To this end, in this paper, a novel omnidirectional horizontally polarized (HP) antenna is presented for the 4G communication systems.… (More)

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