Che Yob, Rashidah and Seman, Norhudah (2015) An accurate operation of wideband multi-port reflectometer with new calibration method implementing least mean square for microwave imaging application. Jurnal Teknologi, 73 (3). pp. 119-125. ISSN 2180–3722
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Official URL: http://dx.doi.org/10.11113/jt.v73.4256
Abstract
The wideband operation of multi-port reflectometer may lead to inaccurate reflection coefficient measurement caused by the overlapped phase characteristics of the used calibration standards. Therefore, a calibration procedure implementing Least Mean Square (LMS) is proposed to offer accurate operation of wideband multi-port reflectometer from 1 to 6 GHz. Its well wideband performance is verified by attenuators of 3, 6 and 10 dB that assessed as the device under tests (DUTs). The proposed LMS contains a learning rate, m and updated weight coefficient, W(k+1) to eliminate error and achieve the corrected reflection coefficient of DUT
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | overlapped phase characteristics, wideband |
| Subjects: | T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 57731 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:08 |
| Last Modified: | 01 Nov 2017 04:16 |
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