Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Rachu Punchalard"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2024 (2024)
A simple phase error criterion (PEC-)-based adaptive algorithm for estimating the frequency of a complex sinusoidal signal in additive white Gaussian and impulsive noises is proposed. The proposed technique makes use of the instantaneous phase respon
Externí odkaz:
https://doaj.org/article/a4b75b634c7f451d881055392304062b
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
An unbiased weighted least square (UWLS) adaptive algorithm is developed and proposed to cooperate with a second-order linear predictor to estimate the frequency of a single tone embed in noise. A new objective function and updating equations are int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b173f5ec63f758224c1e242aae80f46
https://doi.org/10.1109/ieecon51072.2021.9440276
https://doi.org/10.1109/ieecon51072.2021.9440276
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
Another scheme of a binary frequency phase shift keying (BFSK) signal demodulation has been presented in this paper. The proposed demodulated scheme utilizes an ANC-based adaptive signal processing. The adaptive algorithm which adapts the coefficient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0430214e7e0f9c377bd870b87fbeff95
https://doi.org/10.1109/ieecon51072.2021.9440370
https://doi.org/10.1109/ieecon51072.2021.9440370
Autor:
Rachu Punchalard
Publikováno v:
2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON).
A constrained adaptive IIR notch filter (c-ANF) using weighted least square (WLS) algorithm (c-ANF-WLS) is introduced for frequency estimation of a single real tone embed in Gaussian noise. As compared with some previous techniques, the proposed algo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7250677abbd4e04543d721012c6f4b4d
https://doi.org/10.1109/ecti-con49241.2020.9158280
https://doi.org/10.1109/ecti-con49241.2020.9158280
Autor:
Rachu Punchalard
Publikováno v:
2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON).
This paper presents a modified phase based frequency adaptive algorithm (MPBAA). We have modified the original PBAA by using i) an all-pole bandpass filter (BPF) instead of zero-pole BPF ii) only one first-order autoregressive processes (AR(1)) inste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::922c65f7f86fd7eca140d5f4d032f0a8
https://doi.org/10.1109/ecti-con49241.2020.9158085
https://doi.org/10.1109/ecti-con49241.2020.9158085
Publikováno v:
2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON).
Adaptive Sinusoidal interference cancellation (ASIC) based on recursive least square (RLS) algorithm is proposed. RLS algorithm allows us to use a recursion instead of inversion of the autocorrelation matrix to evaluate the optimum weights. The main
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0e333f0bf2078a593c92fc2f50a50fc
https://doi.org/10.1109/ecti-con49241.2020.9158282
https://doi.org/10.1109/ecti-con49241.2020.9158282
Autor:
Rachu Punchalard, Chaipichit Cumpim
Publikováno v:
Journal of Computer Science. 13:247-256
This paper has proposed the technique in order to remove salt-and-pepper noise from the corrupted image. The proposed scheme consists of two steps. The first, the adaptive median filter is applied to noisy image for detecting noisy and noise-free pix
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c178b8b700a27477333772fdddacd70
https://doi.org/10.3844/jcssp.2017.247.256
https://doi.org/10.3844/jcssp.2017.247.256
Autor:
Pongtep Poolnisai, Rachu Punchalard
Publikováno v:
2019 7th International Electrical Engineering Congress (iEECON).
At present, mobile stations have high data rates and high-speed of mobile stations (MS) such as high-speed trains. Therefore is the cause of frequent handover and handover fails. This makes communication interrupted a challenge to solve. The speed of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4906f19c9abc655abb2ca554addbff63
https://doi.org/10.1109/ieecon45304.2019.8938838
https://doi.org/10.1109/ieecon45304.2019.8938838
Autor:
Rachu Punchalard
Publikováno v:
2019 7th International Electrical Engineering Congress (iEECON).
This paper presents a simple lattice-structure complex adaptive linear predictor (LP) to estimate and track an unknown frequency of a noisy complex sinusoid. Instead of a widely used LMS-based algorithm, a weighted least squared (WLS) algorithm is pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b85170fb3c9c3861ace2c244fb8de40b
https://doi.org/10.1109/ieecon45304.2019.8938893
https://doi.org/10.1109/ieecon45304.2019.8938893
Autor:
Pongtep Poolnisai, Rachu Punchalard
Publikováno v:
2019 7th International Electrical Engineering Congress (iEECON).
Currently, a mobile network environment has communication high data rate and high-speed of the mobile station (MS) such as a high-speed train. Therefore, it causes frequent handover. Consequently, the handover fails or increases latency in the system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76d97a0c9f47437c374d2c497a78559f
https://doi.org/10.1109/ieecon45304.2019.8938993
https://doi.org/10.1109/ieecon45304.2019.8938993