全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:S. Lamultree , P. Akkaraekthalin , D. Torrungrueng
来源:[J].Radioengineering(IF 0.687), 2017, Vol.26 (1), pp.91-96DOAJ
摘要:This paper presents a theoretical analysis of moving reference planes associated with unit cells of nonreciprocal lossy periodic transmission-line structures (NRLSPTLSs) by the equivalent bi-characteristic-impedance transmission line (BCITL) model. Applying the BCITL theory, only...
作者:P. Chomtong , P. Akkaraekthalin
来源:[J].Radioengineering(IF 0.687), 2017, Vol.26 (3), pp.755-764DOAJ
摘要:A dual band antenna based on the square planar dipole structure with interdigital capacitors is proposed. With this technique, the harmonic frequency band can be controlled as desired. The dipole element is constructed using two square copper plates. The size of antenna is 21.6 c...
作者:S. Meesomklin , P. Chomtong , P. Akkaraekthalin
来源:[J].Radioengineering(IF 0.687), 2016, Vol.25 (2), pp.258-267DOAJ
摘要:A compact multiband band-pass filter design for applications of GSM, Wi-MAX and WLAN systems is presented. The design is based on the resonant characteristics of step-impedance and interdigital capacitor resonators with overlap cross coupling structure. The fabricated filter...
作者:S. Chaimool , P. Akkaraekthalin
来源:[J].Radioengineering(IF 0.687), 2012, Vol.21 (2), pp.611-616DOAJ
摘要:This paper presents a miniaturized wideband bandpass filter with wide stopband performance. It is shown that the coupled metamaterial-based resonators (MBRs) incorporating with the defected ground structure (DGS) can significantly increase the coupling value to achieve wideband b...
作者:S. Lamultree , P. Akkaraekthalin , D. Torrungrueng
来源:[J].Radioengineering(IF 0.687), 2017, Vol.26 (1), pp.91-96无线电工程协会
摘要:This paper presents a theoretical analysis of moving reference planes associated with unit cells of nonreciprocal lossy periodic transmission-line structures (NRLSPTLSs) by the equivalent bi-characteristic-impedance transmission line (BCITL) model. Applying the BCITL theory, only...
作者:P. Akkaraekthalin , R. Silapunt
来源:[J].Radioengineering(IF 0.687), 2018, Vol.27 (1), pp.101-109无线电工程协会
摘要:This paper proposes a novel miniaturization technique of quarter-wave transformers (QWTs), implemented using multi-section transmission lines (MSTLs), based on the quarter-wave-like transformer (QWLT) theory. Multi-section QWLT characteristics are derived analytically and solved ...
作者:... K. Phaebua , T. Lertwiriyaprapa , P. Akkaraekthalin
来源:[J].Radioengineering(IF 0.687), 2019, Vol.28 (1), pp.121-128无线电工程协会
摘要:In this paper, magnetic field shaping technique designed for antenna in high frequency radio frequency identification (HF-RFID) system and near-field communications (NFCs) system is proposed. This research aims to improve the communication area on the market passive HF-RFID and N...
作者:S. Chaimool , C. Chokchai , P. Akkaraekthalin
来源:[J].Microwave and Optical Technology Letters(IF 0.585), 2013, Vol.55 (4), pp.863-866Wiley
摘要:Abstract(#br)By coupling a fractal loop resonator onto the back of a loaded‐fractal loop monopole and a shorted loop, a new triple‐band USB dongle antenna has been achieved and presented. The proposed antenna supports WiFi (2.4–2.5 GHz and 5.15–5.875 GHz) and WiMAX (3.4...
作者:N. Prombutr , P. Kirawanich , P. Akkaraekthalin
来源:[J].International Journal of Microwave Science and Technology, 2009, Vol.2009DOAJ
摘要:This article presents a bandwidth enhancing technique using a modified ground plane with diagonal edges, rectangular slot, and T-shape cut for the design of compact antennas. The proposed low-cost, compact-size circular patch antenna on 3 cm × 5.1 cm printed circuit board (F...
作者:P. Moeikham , P. Akkaraekthalin
来源:[J].Radioengineering(IF 0.687), 2016, Vol.25 (4), pp.672-679无线电工程协会
摘要:The suppression of electromagnetic interferences (EMIs) caused by the out-of-band operation is required for broadband antennas. To achieve this purpose, a compact broadband printed slot antenna with build-in filters for band notching is presented. The filters, including I-shaped ...

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