In this paper, Doppler signals belonging to 18 patients recorded from the brain temporal region were tarnsferred to the personal computers by the aid of a 16 bits sound board.FFT (Fast Fourier Transform) and WAVELET methods were applied Doppler difference frequency signals to construct the sonograms.Sonograms of the recorded Doppler signal were compared with each other to evaluate the best method.
📌 3 Key Takeaways
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Objective & Hypothesis:In this paper, Doppler signals belonging to 18 patients recorded from the brain temporal region were tarnsferred to the personal computers by the aid of a 16 bits sound board.FFT (Fast Fourier Transform) and WAVELET methods were applied Doppler difference frequency signals to construct the sonograms.Sonograms of the recorded Doppler signal were compared with each other to evaluate the best method.
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Key Findings & Data:In this paper, Doppler signals belonging to 18 patients recorded from the brain temporal region were tarnsferred to the personal computers by the aid of a 16 bits sound board.FFT (Fast Fourier Transform) and WAVELET methods were applied Doppler difference frequency signals to construct the sonograms.Sonograms of the recorded Doppler signal were compared with each other to evaluate the best method.
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Conclusion & Impact:In this paper, Doppler signals belonging to 18 patients recorded from the brain temporal region were tarnsferred to the personal computers by the aid of a 16 bits sound board.FFT (Fast Fourier Transform) and WAVELET methods were applied Doppler difference frequency signals to construct the sonograms.Sonograms of the recorded Doppler signal were compared with each other to evaluate the best method.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters
Abstract
In this paper, Doppler signals belonging to 18 patients recorded from the brain temporal region were tarnsferred to the personal computers by the aid of a 16 bits sound board.FFT (Fast Fourier Transform) and WAVELET methods were applied Doppler difference frequency signals to construct the sonograms.Sonograms of the recorded Doppler signal were compared with each other to evaluate the best method.
Özet
Bu çalışmada temporal bölgeden alınan 18 hastaya ait Doppler işaretleri16 bitlik bir ses kartı yardımıyla kişisel bir bilgisayara aktarılmıştır.HFD (Hızlı Fourier Dönüşümü) ve WAVELET metodu , Doppler fark frekansı işaretinin spektrumunu zamanla değişimini gösteren sonogramları elde edebilmek için kullanılmıştır.Kaydedilen Doppler işaretlerinin spektrum analizleri yapılarak elde edilen sonuçlar tıbbi açıdan incelenmiş ve kullanılan sinyal analizi metodlarının karşılaştırmaları yapılmıştır.
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Cite This Article
HARDALAÇ, F., ÖKTEM, İ. S., GÜLER, İ. (2000). Comparison and application of FFT and WAVELET methods to Transcranial Doppler. Politeknik Dergisi, Cilt: 3 - Sayı: 4, 39–43. https://ajindex.com/articles/307321
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