Kim, Mey Chew and Sudirman, Rubita and Mahmood, Nasrul Humaimi and Seman, Norhudah and Ching, Yee Yong (2013) Human brain microwave imaging signal processing: frequency domain (sparameters) to time domain conversion. Engineering, 5 (5B). pp. 31-36. ISSN 1947-3931
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Official URL: http://dx.doi.org/10.4236/eng.2013.55B007
Abstract
The paper presents the microwave signal processing method using MATLAB based on the result of microwave imaging system simulation developed using Computer Simulation Technology (CST). The simulation system contains a transmitting/receiving antenna, human brain and a tumor inside the brain model. The source signal, microwave signal operates from 1 to 10 GHz. The generated scattering parameters (S-parameters) are in frequency domain form. This paper describes in detail regarding the signal conversion from frequency domain to time domain through proposed Inverse Fast Fourier Transform (IFFT) method as well as the noise filtering process. Peaks detection process was performed in order to identify the time delay of the reflection points at different Y-axis positions
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | microwave signal, signal processing, scattering parameters, time domain, IFFT |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 40395 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 19 Aug 2014 01:25 |
| Last Modified: | 05 Mar 2019 01:46 |
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